How much does one lithium battery cost?

Battery used to power the electric motors of a battery electric vehicle or hybrid electric vehicle

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For the starting, lighting and ignition system battery of an automobile, see Automotive battery

Nissan Leaf cutaway showing part of the battery in

An electric vehicle battery is a rechargeable battery used to power the electric motors of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV).

They are typically lithium-ion batteries that are designed for high power-to-weight ratio and energy density. Compared to liquid fuels, most current battery technologies have much lower specific energy. This increases the weight of vehicles or reduces their range.

Li-NMC batteries using lithium nickel manganese cobalt oxides are the most common in EV. The lithium iron phosphate battery (LFP) is on the rise, reaching 41 % global market share by capacity for BEVs in .[1]:&#;85&#; LFP batteries are heavier but cheaper and more sustainable. At the same time, the first commercial passenger cars are using a sodium-ion battery (Na-ion) completely avoiding the need for critical minerals.[2]

The battery makes up a significant portion of the cost and environmental impact of an electric vehicle. Growth in the industry has generated interest in securing ethical battery supply chains, which presents many challenges and has become an important geopolitical issue. Reduction of use of mined cobalt, which is also required in fossil fuel refining, has been a major goal of research. A number of new chemistries compete to displace Li-NMC with (see solid-state battery) performance above 800Wh/kg in laboratory testing.

As of December  , despite more reliance on recycled materials the cost of electric vehicle batteries has fallen 87% since on a per kilowatt-hour basis.[3]

Demand for EVBs exceeded 750 GWh in .[1] EVBs have much higher capacities than automotive batteries used for starting, lighting, and ignition (SLI) in combustion cars. The average battery capacity of available EV models reached from 21 to 123 kWh in with an average of 80 kWh.[4][5]

Electric vehicle battery types

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A man cutting open a lithium-ion battery for use in an electric vehicle

As of , the lithium-ion battery (LIB) with the variants Li-NMC, LFP and Li-NCA dominates the BEV market. The combined global production capacity in reached almost GWh with 772 GWh used for EVs in . Most production is based in China where capacities increased by 45 % that year.[1]:&#;17&#; With their high energy density and long cycle life, lithium-ion batteries have become the leading battery type for use in EVs. They were initially developed and commercialized for use in laptops and consumer electronics. Recent EVs are using new variations on lithium-ion chemistry that sacrifice specific energy and specific power to provide fire resistance, environmental friendliness, rapid charging and longer lifespans. These variants have been shown to have a much longer lifetime.

Lithium nickel manganese cobalt oxides offer high performance and have become the global standard in BEV production since the s. On the other hand, the exploitation of the required minerals causes environmental problems. The downside of traditional NMC batteries includes sensitivity to temperature, low temperature power performance, and performance degradation with age.[25] Due to the volatility of organic electrolytes, the presence of highly oxidized metal oxides, and the thermal instability of the anode SEI layer, traditional lithium-ion batteries pose a fire safety risk if punctured or charged improperly. Early cells did not accept or supply charge when extremely cold. Heaters can be used in some climates to warm them.

Lithium iron phosphate (LFP)

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The Lithium iron phosphate battery has a shorter range but is cheaper, safer and more sustainable than the NMC battery.[26] It does not require the critical minerals manganese and cobalt. Since , LFP has become the leading technology in China while the market share in Europe and North America remains lower than 10%.[1]:&#;86&#; LFP is the dominant type in grid energy storage.

Lithium Titanate (LTO)

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Lithium titanate or lithium-titanium-oxide (LTO) batteries are known for their high safety profile, with reduced risk of thermal runaway and effective operation over a wide temperature range.[27] LTO batteries have an impressive cycle life, often exceeding 10,000 charge-discharge cycles.[28] They also have rapid charging capabilities due to their high charge acceptance.[29] However, they have a lower energy density compared to other lithium-ion batteries.[30]

The Sodium-ion battery completely avoids critical materials. [31] Due to the high availability of sodium which is a part of salt water, cost projections are low. In early , various Chinese manufacturers began with the delivery of their first models.[2] Analysts see a high potential for this type especially for the use in small EVs, bikes and three-wheelers.

Future types

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Several types are in development.

• The solid-state battery could offer high energy density and potential safety improvements.

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• The lithium-sulfur battery is also expected to meet high performance demands.
• The LMFP battery is a LFP battery that includes manganese as a cathode component.

Legacy types

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In the 20th century most electric vehicles used a flooded lead&#;acid battery due to their mature technology, high availability, and low cost. Lead&#;acid batteries powered such early modern EVs as the original versions of the EV1. There are two main types of lead&#;acid batteries: automobile engine starter batteries, and deep-cycle batteries which provide continuous electricity to run electric vehicles like forklifts or golf carts.[33] Deep-cycle batteries are also used as auxiliary batteries in recreational vehicles, but they require different, multi-stage charging. Discharging below 50% can shorten the battery's life.[34] Flooded batteries require inspection of electrolyte levels and occasional replacement of water, which gases away during the normal charging cycle. EVs with lead&#;acid batteries are capable of up to 130 km (81 mi) per charge.

Nickel&#;metal hydride (NiMH)

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GM Ovonic NiMH battery module

Nickel&#;metal hydride batteries are considered a mature technology.[35] While less efficient (60&#;70%) in charging and discharging than even lead&#;acid, they have a higher specific energy of 30&#;80 W·h/kg. When used properly, nickel&#;metal hydride batteries can have exceptionally long lives, as has been demonstrated in their use in hybrid cars and in the surviving first-generation NiMH Toyota RAV4 EVs that still operate well after 100,000 miles (160,000 km) and over a decade of service. Downsides include finicky charge cycles and poor performance in cold weather.[citation needed] GM Ovonic produced the NiMH battery used in the second generation EV-1.[36] Prototype NiMH-EVs delivered up to 200 km (120 mi) of range.

Zebra

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The sodium nickel chloride or "Zebra" battery was used in early EVs between and . It uses a molten sodium chloroaluminate (NaAlCl4) salt as the electrolyte. It has a specific energy of 120 W·h/kg. Since the battery must be heated for use, cold weather does not strongly affect its operation except for increasing heating costs. Zebra batteries can last for a few thousand charge cycles and are nontoxic. The downsides to the Zebra battery include poor specific power (<300 W/kg) and the need to heat the electrolyte to about 270 °C (518 °F), which wastes some energy, presents difficulties in long-term storage of charge, and is potentially a hazard.[37]

Other legacy types

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Other types of rechargeable batteries used in early electric vehicles include

Battery architecture and integration

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CTx series:

• Cell to Module (CTM) - battery cells put into modules, than into battery pack
• Cell to Pack (CTP) - battery cells into battery pack without modules
• Cell to Chassis (CTC) - battery cells into frame or chassis, batteries maybe used as part of structural integrity or to increase structural strength
• Cell to Body (CTB) - battery cells into vehicle body

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Supply chain

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Geographical distribution of the global battery supply chain

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Lifecycle of lithium-based EV batteries

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During the first stage, the materials[42] are mined in different parts of the world, including Australia,[43] Russia,[44] New Caledonia and Indonesia.[45][46] All the following steps are currently dominated by China. After the materials are refined by pre-processing factories, battery manufacturing companies buy them, make batteries, and assemble them into packs. Car manufacturing companies buy and install them in cars. To address the environmental impact of this process, the supply chain is increasingly focusing on sustainability, with efforts to reduce reliance on rare-earth minerals and improve recycling.[47]

Manufacturing

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There are mainly three stages during the manufacturing process of EV batteries: materials manufacturing, cell manufacturing and integration, as shown in Manufacturing process of EV batteries graph in grey, green and orange color respectively. This shown process does not include manufacturing of cell hardware, i.e. casings and current collectors. During the materials manufacturing process, the active material, conductivity additives, polymer binder and solvent are mixed first. After this, they are coated on the current collectors ready for the drying process. During this stage, the methods of making active materials depend on the electrode and the chemistry.

Cathodes mostly use transition metal oxides, i.e. Lithium nickel manganese cobalt oxides (Li-NMC), or else Lithium metal phosphates, i.e. Lithium iron phosphates (LFP). The most popular material for anodes is graphite. However, recently there have been a lot of companies started to make Si mixed anode (Sila Nanotech, ProLogium) and Li metal anode (Cuberg, Solid Power).

In general, for active materials production, there are three steps: materials preparation, materials processing and refinement. Schmuch et al. discussed materials manufacturing in greater details.[48]

Manufacturing process of EV batteries

In the cell manufacturing stage, the prepared electrode will be processed to the desired shape for packaging in a cylindrical, rectangular or pouch format. Then after filling the electrolytes and sealing the cells, the battery cells are cycled carefully to form SEI protecting the anode. Then, these batteries are assembled into packs ready for vehicle integration.

Reusing and repurposing

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When an EV battery pack degrades to 70% to 80% of its original capacity, it is defined to reach the end-of-life. One of the waste management methods is to reuse the pack. By repurposing the pack for stationary storage, more value can be extracted from the battery pack while reducing the per kWh lifecycle impact.

Uneven and undesired battery degradation happens during EV operation depending on temperature during operation and charging/discharging patterns. Each battery cell could degrade differently during operation. Currently, the state of health (SOH) information from a battery management system (BMS) can be extracted on a pack level but not on a cell level. Engineers can mitigate the degradation by engineering the next-generation thermal management system. electrochemical impedance spectroscopy (EIS) can be used to ensure the quality of the battery pack.[49][50]

Examples of storage projects using second-life EV batteries. Adapted from Awan

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It is costly and time-intensive to disassemble modules and cells. The module must be fully discharged. Then, the pack must be disassembled and reconfigured to meet the power and energy requirement of the second life application. A refurbishing company can sell or reuse the discharged energy from the module to reduce the cost of this process. Robots are being used to increase the safety of the dismantling process.[49][51]

Battery technology is non-transparent and lacks standards. Because battery development is the core part of EV, it is difficult for the manufacturer to label the exact chemistry of cathode, anode and electrolytes on the pack. In addition, the capacity and the design of the cells and packs changes on a yearly basis. The refurbishing company needs to closely work with the manufacture to have a timely update on this information. On the other hand, government can set up labeling standard.[49]

Lastly, battery costs have decreased faster than predicted. The refurbished unit may be less attractive than the new batteries to the market.[49]

Nonetheless, there have been several successes on the second-life application as shown in the examples of storage projects using second-life EV batteries. They are used in less demanding stationary storage application as peak shaving or additional storage for renewable-based generating sources.[49]

Recycling

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Examples of current lithium-ion battery recycling facilities. Adapted from Awan

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Although battery life span can be extended by enabling a second-life application, ultimately EV batteries need to be recycled. Recyclability is not currently an important design consideration for battery manufacturers, and in only 5% of electric vehicle batteries were recycled.[52] However, closing the loop is extremely important. Not only because of a predicted tightened supply of nickel, cobalt and lithium in the future, also recycling EV batteries has the potential to maximize the environmental benefit. Xu et al. predicted that in the sustainable development scenario, lithium, cobalt and nickel will reach or surpass the amount of known reserves in the future if no recycling is in place.[53] Ciez and Whitacre found that by deploying battery recycling some green house gas (GHG) emission from mining could be avoided.[54]

BEV technologies lack an established recycling framework in many countries, making the usage of BEV and other battery-operated electrical equipment a large energy expenditure, ultimately increasing CO2 emissions - especially in countries lacking renewable energy resources.[55]

There have been many efforts around the world to promote recycling technologies development and deployment. In the US, the Department of Energy Vehicle Technologies Offices (VTO) set up two efforts targeting at innovation and practicability of recycling processes. ReCell Lithium Recycling RD center brings in three universities and three national labs together to develop innovative, efficient recycling technologies. Most notably, the direct cathode recycling method was developed by the ReCell center. On the other hand, VTO also set up the battery recycling prize to incentivize American entrepreneurs to find innovative solutions to solve current challenges.[56]

Recycling of EV Batteries helps to recover valuable materials such as lithium, cobalt, nickel, and rare-earth elements, reducing the need for new mining and conserving natural resources and reduces the environmental footprint associated with battery production by minimizing mining impacts, energy consumption, and greenhouse gas emissions.[citation needed]

Recycling vs mining

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Battery recycling emissions under US average electricity grid. (a,b) for cylindrical cell and (c,d) for pouch cell. Adapted from Ciez and Whitacre.

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To develop a deeper understanding of the lifecycle of EV batteries, it is important to analyze the emission associated with different phases. Using NMC cylindrical cells as an example, Ciez and Whitacre found that around 9 kg CO2e kg battery-1 is emitted during raw materials pre-processing and battery manufacturing under the US average electricity grid. The biggest part of the emission came from materials preparation accounting for more than 50% of the emissions. If NMC pouch cell is used, the total emission increases to almost 10 kg CO2e kg battery-1 while materials manufacturing still contributes to more than 50% of the emission.[54] During the end-of-life management phase, the refurbishing process adds little emission to the lifecycle emission. The recycling process, on the other hand, as suggested by Ciez and Whitacre emits a significant amount of GHG. As shown in the battery recycling emission plot a and c, the emission of the recycling process varies with the different recycling processes, different chemistry and different form factor. Thus, the net emission avoided compared to not recycling also varies with these factors. At a glance, as shown in the plot b and d, the direct recycling process is the most ideal process for recycling pouch cell batteries, while the hydrometallurgical process is most suitable for cylindrical type battery. However, with the error bars shown, the best approach cannot be picked with confidence. It is worth noting that for the lithium iron phosphates (LFP) chemistry, the net benefit is negative. Because LFP cells lacks cobalt and nickel which are expensive and energy intensive to produce, it is more energetically efficient to mine. In general, in addition to promoting the growth of a single sector, a more integrated effort should be in place to reduce the lifecycle emission of EV batteries. A finite total supply of rare earth material can apparently justify the need for recycling. But the environmental benefit of recycling needs closer scrutiny. Based on current recycling technology, the net benefit of recycling depends on the form factors, the chemistry and the recycling process chosen.

Environmental impact

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Transition to electric vehicles is estimated to require 87 times more than of specific metals by that need to be mined initially, with recycling covering part of the demand in future.[57] According to IEA study, mineral supplies need to increase from 400 kilotonnes in to 11,800 kilotonnes in in order to cover the demand by EV. This increase creates a number of key challenges, from supply chain as 60% of production is concentrated in China to significant impact on climate[need quotation to verify] and environment as result of such a large increase in mining operations.[58] However 45% of oil demand in was for road transport, and batteries may reduce this to 20% by ,[59] which would save hundreds of times more raw material than that used to make the batteries.[60]

The mining of nickel, copper and cobalt in developing countries such as the Philippines,[61] the Democratic Republic of Congo,[62] and Indonesia is controversial due to the devastation it causes to the environment.[63][64] Nickel mining has contributed significantly to deforestation in Indonesia.[65]

Battery cost

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Average battery costs have fallen by 90% since due to advances in battery chemistry and manufacturing.[6]:&#;3&#; Batteries represent a substantial portion of an EV's overall cost, often accounting for up to 30-40% of the vehicle's total price. However, the cost of EV batteries has been decreasing steadily over the years due to advancements in technology, economies of scale, and improvements in manufacturing processes. EV batteries typically come with warranties covering a certain number of years or miles, reflecting confidence in their durability and reliability over time.[citation needed]

EV parity

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Battery prices fell, given economies of scale and new cell chemistries improving energy density.

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However, general inflationary pressures, and rising costs of raw materials and components, inhibited price declines in the early s.

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Cost parity

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One issue is purchase price, the other issue is total cost of ownership. Total cost of ownership of electric cars is often less than petrol or diesel cars.[67] In Gartner predicted that by , next-generation BEVs will, on average, be cheaper to produce than a comparable ICE&#;.[68] In China, BEV are now cheaper than comparable combustion cars.[69] The development is driven by subsidies in the Chinese market. The USA are protecting their own manufacturers with tariffs, in the EU this is debated. This can delay cost parity.

Range parity

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The weight of the electric vehicle battery is the limiting factor to reach range parity. Diesel and gasoline have more than the 50-fold energy density of current EV batteries.

energy density

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7 litres ~ 72 kWh ~6 kg EV battery 165

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20 kWh ~120 kg

In practical use, charging speed is more relevant than battery capacity (see rechaging section). Typical EV batteries in passenger cars have a weight of 300 to 1,000 kg (660 to 2,200 lb)[71] resulting in ranges from 150 to 500 km (90 to 310 miles), depending on temperature, driving style and car type.

Even with the same range as an average all-combustion vehicle, buyers must be assured that there are widely available and compatible charging stations for their vehicles.[72]

As of the range of electric ships and large planes is less than combustion engined ones. To electrify all shipping standardized multi-megawatt charging is needed.[73] But sometimes batteries can be swapped, for example for river shipping.[74] As of pure electric large plane ranges of over km are not expected within a decade - meaning that for over half of scheduled flights range parity cannot be achieved.[75]

Specifics

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Internal components

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Battery pack on the roof of a battery electric bus Electric truck e-Force One. Battery pack between the axles. Cylindrical cell () prior to assembly

Battery pack designs for electric vehicles (EVs) are complex and vary widely by manufacturer and specific application. However, they all incorporate a combination of several simple mechanical and electrical component systems which perform the basic required functions of the pack.[citation needed]

The actual battery cells can have different chemistry, physical shapes, and sizes as preferred by various pack manufacturers. Battery packs will always incorporate many discrete cells connected in series and parallel to achieve the total voltage and current requirements of the pack. Battery packs for all electric drive EVs can contain several hundred individual cells. Each cell has a nominal voltage of 3-4 volts, depending on its chemical composition.[citation needed]

To assist in manufacturing and assembly, the large stack of cells is typically grouped into smaller stacks called modules. Several of these modules are placed into a single pack. Within each module the cells are welded together to complete the electrical path for current flow. Modules can also incorporate cooling mechanisms, temperature monitors, and other devices. Modules must remain within a specific temperature range for optimal performance.[76] In most cases, modules also allow for monitoring the voltage produced by each battery cell in the stack by using a battery management system (BMS).[77]

The battery cell stack has a main fuse which limits the current of the pack under a short circuit. A "service plug" or "service disconnect" can be removed to split the battery stack into two electrically isolated halves. With the service plug removed, the exposed main terminals of the battery present no high potential electrical danger to service technicians.[77][78]

The battery pack also contains relays, or contactors, which control the distribution of the battery pack's electrical power to the output terminals. In most cases there will be a minimum of two main relays which connect the battery cell stack to the main positive and negative output terminals of the pack, which then supply high current to the electrical drive motor. Some pack designs include alternate current paths for pre-charging the drive system through a pre-charge resistor or for powering an auxiliary bus which will also have their own associated control relays. For safety reasons these relays are all normally open.[77][78]

The battery pack also contains a variety of temperature, voltage, and current sensors. Collection of data from the pack sensors and activation of the pack relays are accomplished by the pack's battery monitoring unit (BMU) or BMS. The BMS is also responsible for communications with the vehicle outside the battery pack.[77]

Recharging

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Batteries in BEVs must be periodically recharged. BEVs charge from the power grid at home or using a recharging point. The energy is generated from a variety of domestic resources, such as coal, hydroelectricity, nuclear, natural gas, photovoltaic solar cell panels and wind.

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With suitable power supplies, good battery lifespan is usually achieved at charging rates not exceeding half of the capacity of the battery per hour ("0.5C"),[79] thereby taking two or more hours for a full charge, but faster charging is available even for large capacity batteries.[80]

Charging time at home is limited by the capacity of the household electrical outlet, unless specialized electrical wiring work is done. In the US, Canada, Japan, and other countries with 120 V electricity, a normal household outlet delivers 1.5 kilowatts. In other countries with 230 V electricity between 7 and 14 kilowatts can be delivered (230 V single phase and 400 V three-phase, respectively). In Europe, a 400 V (three-phase 230 V) grid connection is increasingly popular since newer houses don't have natural gas connection due to the European Union's safety regulations.[citation needed]

New data has shown that exposure to heat and the use of fast charging promote the degradation of Li-ion batteries more than age and actual use, and that the average electric vehicle battery will retain 90% of its initial capacity after six years and six months of service. For example, the battery in a Nissan Leaf will degrade twice as fast as the battery in a Tesla, because the Leaf does not have an active cooling system for its battery.[81]

Recharging time

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EV charging curves at 300 kW chargers

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With rapid recharging, the concern about limited travel ranges loses relevance as the duration of a stops at public charging stations can be minimized. There is a growing electric vehicle charging network[83] with DC powers of 150 kW and more which can add up to 300 km of range within a typical 30 minute break. Charging speed depends on the power of the charging station and the maximum load which the specific EV model can handle. At charging states over 50%, charging speed generally slows down. Typical rapid charging powers are between 30 and 80 kW. [82] Charging at home or smaller charging stations using alternating current usually takes several hours. The table assumes a typical consumption of 15 kWh per 100 km and takes into account that drivers should take a break every 300 km anyway.

Duration for refuelling / charging 300 km (45 kWh) type maximum power average power time Diesel / Gasoline 5-10 min Tesla model Y 250 kW 87.7 kW (10-90%)

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Connectors

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The charging power can be connected to the car in two ways. The first is a direct electrical connection known as conductive coupling. This might be as simple as a mains lead into a weatherproof socket through special high capacity cables with connectors to protect the user from high voltages. The modern standard for plug-in vehicle charging is the SAE  conductive connector (IEC  Type 1) in the US. The ACEA has chosen the VDE-AR-E -2-2 (IEC  Type 2) for deployment in Europe, which, without a latch, means unnecessary extra power requirements for the locking mechanism.[citation needed]

The second approach is known as inductive charging. A special 'paddle' is inserted into a slot on the car. The paddle is one winding of a transformer, while the other is built into the car. When the paddle is inserted it completes a magnetic circuit which provides power to the battery pack. In one inductive charging system, one winding is attached to the underside of the car, and the other stays on the floor of the garage. The advantage of the inductive approach is that there is no possibility of electrocution as there are no exposed conductors, although interlocks, special connectors and ground fault detectors can make conductive coupling nearly as safe. Inductive charging can also reduce vehicle weight, by moving more charging componentry offboard.[86] An inductive charging advocate from Toyota contended in , that overall cost differences were minimal, while a conductive charging advocate from Ford contended that conductive charging was more cost efficient.[86]

Recharging spots

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As of June  , there more than 200,000 locations and 400,000 EV charging stations worldwide.[87]

Travel range before recharging

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The range of a BEV depends on the number and type of batteries used. The weight and type of vehicle as well as terrain, weather, and the performance of the driver also have an impact, just as they do on the mileage of traditional vehicles. Electric vehicle conversion performance depends on a number of factors including the battery chemistry. Lithium-ion battery-equipped EVs provide 320&#;540 km (200&#;340 mi) of range per charge.[88]

The internal resistance of some batteries may be significantly increased at low temperature[89] which can cause noticeable reduction in the range of the vehicle and on the lifetime of the battery.

With an AC system or advanced DC system, regenerative braking can extend range by up to 50% under extreme traffic conditions without complete stopping. Otherwise, the range is extended by about 10 to 15% in city driving, and only negligibly in highway driving, depending upon terrain.[citation needed]

BEVs (including buses and trucks) can also use genset trailers and pusher trailers in order to extend their range when desired without the additional weight during normal short range use. Discharged basket trailers can be replaced by recharged ones en route. If rented then maintenance costs can be deferred to the agency.

Trailers

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Auxiliary battery capacity carried in trailers can increase the overall vehicle range, but also increases the loss of power arising from aerodynamic drag, increases weight transfer effects and reduces traction capacity.

Swapping and removing

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An alternative to recharging is to exchange drained or nearly drained batteries (or battery range extender modules) with fully charged batteries. This is called battery swapping and is done in exchange stations.[90]

Features of swap stations include:[91]

1. The consumer is no longer concerned with battery capital cost, life cycle, technology, maintenance, or warranty issues;
2. Swapping is far faster than charging: battery swap equipment built by the firm Better Place has demonstrated automated swaps in less than 60 seconds;

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3. Swap stations increase the feasibility of distributed energy storage via the electric grid;

Concerns about swap stations include:

1. Potential for fraud (battery quality can only be measured over a full discharge cycle; battery lifetime can only be measured over repeated discharge cycles; those in the swap transaction cannot know if they are getting a worn or reduced effectiveness battery; battery quality degrades slowly over time, so worn batteries will be gradually forced into the system)
2. Manufacturers' unwillingness to standardize open-source hardware battery access and implementation details,

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   so users must find a proprietary station
3. Safety concerns

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Smart grid allows BEVs to provide power to the grid at any time, especially:

• During peak load periods (When the selling price of electricity can be very high. Vehicles can then be recharged during off-peak hours at cheaper rates which helps absorb excess night time generation. The vehicles serve as a distributed battery storage system to buffer power.)
• During blackouts, as backup power sources.

Safety

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The safety issues of battery electric vehicles are largely dealt with by the international standard ISO . This standard is divided into three parts:

• On-board electrical energy storage, i.e. the battery
• Functional safety means and protection against failures
• Protection of persons against electrical hazards.

Firefighters and rescue personnel receive special training to deal with the higher voltages and chemicals encountered in electric and hybrid electric vehicle accidents. While BEV accidents may present unusual problems, such as fires and fumes resulting from rapid battery discharge, many experts agree that BEV batteries are safe in commercially available vehicles and in rear-end collisions, and are safer than gasoline-propelled cars with rear gasoline tanks.[94]

Usually, battery performance testing includes the determination of:

Performance testing simulates the drive cycles for the drive trains of Battery Electric Vehicles (BEV), Hybrid Electric Vehicles (HEV) and Plug in Hybrid Electric Vehicles (PHEV) as per the required specifications of car manufacturers (OEMs). During these drive cycles, controlled cooling of the battery can be performed, simulating the thermal conditions in the car.

In addition, climatic chambers control environmental conditions during testing and allow simulation of the full automotive temperature range and climatic conditions.[33]

Patents

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Patents may be used to suppress development or deployment of battery technology. For example, patents relevant to the use of Nickel metal hydride cells in cars were held by an offshoot of Chevron Corporation, a petroleum company, who maintained veto power over any sale or licensing of NiMH technology.[95][96]

Research, development and innovation

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As of December , billions of euro in research are planned to be invested around the world for improving batteries.[97][98]

Researchers have come up with some design considerations for contactless BEV chargers. Inductively coupled power transfer (ICPT) systems are made to transfer power efficiently from a primary source (charging station) to one or more secondary sources (BEVs) in a contactless way via magnetic coupling.[99]

Europe has plans for heavy investment in electric vehicle battery development and production, and Indonesia also aims to produce electric vehicle batteries in , inviting Chinese battery firm GEM and Contemporary Amperex Technology Ltd to invest in Indonesia.[100][101][102][103][104][105][106][107]

Ultracapacitors

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Electric double-layer capacitors (or "ultracapacitors") are used in some electric vehicles, such as AFS Trinity's concept prototype, to store rapidly available energy with their high specific power, in order to keep batteries within safe resistive heating limits and extend battery life.[108][109]

Since commercially available ultracapacitors have a low specific energy, no production electric cars use ultracapacitors exclusively.

In January , Elon Musk, CEO of Tesla, stated that the advancements in Li-ion battery technology have made ultra-capacitors unnecessary for electric vehicles.[110]

Promotion in the United States

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On 2 May , President Biden announced the administration will begin a $3.16 billion plan to boost domestic manufacturing and recycling of batteries, in a larger effort to shift the country away from gas-powered cars to electric vehicles. The goal of the Biden administration is to have half of U.S. automobile production electric by .[111]

The Inflation Reduction Act, passed on 16 August , aimed to incentivize clean energy manufacturing with a $7,500 consumer tax credit for EVs with US-built batteries, and subsidies for EV plants. By October , billions of dollars of investment had been announced for over two dozen US battery plants, leading some commentators to nickname the Midwest as the "Battery Belt".[112][113]

See also

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Lists

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Related

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References

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Most lithium-ion batteries cost $10 to $20,000, depending on the device it powers. An electric vehicle battery is the most expensive, typically costing $4,760 to $19,200. Next is solar batteries, which usually cost $6,800 to $10,700. However, most outdoor power tool batteries only cost $85 to $330, and cell batteries can run as little as $10.

Due to an increasing concern about climate change, there is a high public interest in battery technology. Lithium-ion (Li-ion) batteries are a source of clean, renewable energy. However, many consumers looking to switch from gas-guzzling power tools and automobiles are left wondering how much Li-ion batteries cost, so we broke it down for you. 

In this cost guide:

Average costs of a lithium-ion battery in

Average lithium-ion battery cost$10 &#; $20,000Average electric vehicle battery cost$4,760 &#; $19,200Average solar battery cost$6,800 &#; $10,700Average outdoor tool battery cost$85 &#; $330Average personal electronic battery cost$10 &#; $90

We searched for batteries on various online platforms (i.e., Home Depot, BestBuy, Amazon, BatteriesPlus) and researched financial data from news and government reports to bring you the full scope of lithium-ion battery prices. If you are looking for a low-cost battery, consider buying one that is used or refurbished. 

Cost by device

Larger devices need more power leading to higher battery prices. So we broke down Li-ion battery costs by the type of device it powers:

Electric vehicle (EV) batteries

Most EV battery packs cost $4,760 to $19,200. However, if you want to save money, consider a used battery. We searched online for used and refurbished EV batteries and found them for as low as $750.

EV battery pack costs differ by auto manufacturer, as shown in the table below.

AutomakerTypical battery costTesla$11,000 &#; $20,000Toyota (Hybrid)$2,000 &#; $8,000Hummer$10,000Volkswagen $12,000 &#; $15,000

*The prices in the table above are for the battery only, and do not include installation costs.

Solar panel batteries

Solar panel batteries typically cost $6,800 to $10,700 (not including installation). Solar batteries are essential to a solar energy system because they store excess energy that you can use when the sun isn&#;t shining. The more power your solar batteries store, the higher their price and the less dependent you are on the grid. 

Most outdoor power tool batteries cost between $85 and $330. 

Average cost$205Typical price range$85 &#; $330Extreme low end cost$40Extreme high end cost$600

The cost of a power tool&#;s battery depends on its voltage, amp hours, and the brand.  The table below shows typical battery cost by brand.

BrandTypical costDewalt$60 &#; $240Ego$180 &#; $600Greenworks$40 &#; $300Kobalt$100 &#; $360Milwaukee$65 &#; $300Ryobi$100 &#; $200

High-efficiency Li-ion batteries, such as Ego&#;s ARC lithium batteries, cost more than a standard Li-ion battery.

Personal electronics batteries

Most personal electronic batteries cost $9 to $90, as shown in the table below.

ElectronicTypical battery costCellphone$10 &#; $35Tablet$15 &#; $50Laptop$20 &#; $90

Less powerful electronics require a less powerful battery, so expect cutting-edge technology to run on an expensive battery.

Cost by kilowatt-hours

According to BloombergNEF, the average lithium-ion battery costs $151 per kilowatt-hour (kWh), and the average battery-powered electric vehicle (BEV) battery costs $138 per kWh. In the average per kWh cost was $141. However, overall Li-ion costs have dramatically decreased over the last ten years. 

What is a kWh? Kilowatt-hours (kWh) measure a battery&#;s energy storage capacity. A kilowatt (kW) is a unit that measures electric energy consumption, and a kilowatt-hour is the energy a 1-kW device consumes in an hour. To calculate a battery&#;s kWh, use the following formula:

kWh = Amp hours × Voltage ÷ 1,000

So, if you have a 12-Ah 100-volt battery, its kWh would equal 12 x 100 ÷ 1,000. Thus, it is a 1.2 kWh battery.

Other factors that affect cost

The cost of a lithium-ion battery is also impacted by the following:

Battery type

The cost of a Li-ion battery depends on its chemistry. For example, batteries containing semi-precious metals cost more than batteries made from inexpensive raw materials.

Here are the most popular types of Li-ion batteries:

• Lithium Iron Phosphate (LFP) batteries are often used as a power source in RVs, boats, and electric scooters.  Most LFP batteries cost $120 to $1,950 and the average LFP costs about $560.

• Lithium Manganese Oxide (LMO) batteries cost less than LFPs and are commonly used in power tools and electric bikes. Some electric vehicles also use LMOs. 

• Lithium Nickel Manganese Cobalt Oxide (NMC) batteries cost about 20% more than LFP batteries and they are used in power tools and electric powertrains. 

• Lithium Nickel Cobalt Aluminium Oxide (NCA) batteries cost about the same as NMC batteries and they power many electric cars, including Teslas. 

• Lithium Titanate (LTO) batteries are the most expensive and they are used in electric vehicles, solar energy, aerospace, and military equipment.

• Lithium Cobalt Oxide (LCO) batteries typically cost $10 &#; $90 and are used in cell phones, laptops, and digital cameras. 

Voltage

The more power a battery contains, the more it will cost. Therefore, batteries with a higher voltage (volt) are more expensive. Electric vehicle and solar panel batteries are often described with kilowatt-hours, but most power tool batteries are less than one kWh and described using voltage and amp hours. 

The table below shows the average cost of a power tool battery based on its voltage.

VoltageAverage cost12 &#; 24 $ &#; 40$ &#; 60$+$335

Amp hours

The more amp hours (Ah) a battery has, the longer a device can run on a single battery charge. So next, we&#;ll break down the cost of a power tool battery by Ah. Please see the results in the table below.

Amp hoursAverage cost2 &#; 2.5$$ &#; 6$ &#; 9$ &#; 12$335

Related products and services

You may be interested in products that run on lithium-ion batteries, including:

Solar panel installation

Most homeowners pay $15,000 to $26,000 for solar panel installation, but the cost of solar panels depends on the type of panels, the size of the home, and labor costs. However, federal, state, and local incentives significantly reduce that price. Additionally, most homeowners enjoy an energy cost reduction that allows them to recoup their costs in 6 to 10 years. 

Average cost$20,000Typical price range$15,000 &#; $26,000Extreme low end cost$5,000Extreme high end cost$50,000

Battery-powered outdoor tools are soaring in popularity due to environmentally conscious consumers and lawmakers. In fact, Washington University in St. Louis reports that gas tools (such as leaf blowers and lawn mowers) pollute the air more than cars. In contrast, most battery tools release zero emissions. 

However, gas-powered tools aren&#;t just bad for the air; they are also noisy, painful to maintain, and expensive. Furthermore, recent technological advances have paved the way for a new generation of beastly battery tools that can compete with gas-powered models. So, consider investing in battery-powered tools. They are easier to use and typically cost less than the gas alternative. 

Lawn mowers

Most battery-powered lawn mowers cost $215 to $730, but riding mowers can cost as much as $4,000. Since gas lawn mowers are one of the largest contributors to air pollution, you should check out our list of the 8 best battery-powered lawn mowers. 

Average cost$475Typical price range$215 &#; $730Extreme low end cost$150Extreme high end cost$4,000

Leaf blowers

Most battery-powered leaf blowers cost $100 to $250, which is significantly less than gas-powered models. And there is no need to worry about their strength because the best battery leaf blowers will blow you away!

Average cost$150Typical price range$100 &#; $250Extreme low end cost$65Extreme high end cost$500

Snow blowers

Battery-powered snow blowers typically cost $300 to $1,800, so we researched and uncovered the 8 best battery snow blowers.

Typical price range$300 &#; $1,800Average 1-stage blower$550Average 2-stage blower$1,380

Chainsaws

A typical battery-powered chainsaw costs $180 to $380 and is great for pruning small to medium trees.  However, the best battery chainsaws cost $270 to $480. 

Average cost$280Typical price range$180 &#; $380Extreme low end cost$130Extreme high end cost$500

Hedge trimmers

Most battery-powered hedge trimmers cost $60 to $200, and we compiled a list of the best battery-powered hedge trimmers.

Average cost$110Typical price range$60 &#; $200Extreme low end cost$35Extreme high end cost$1,135

Electric vehicles 

Lithium-ion automotive technology has given birth to various electric cars, SUVs, and pick-up trucks. Most electric vehicles cost $33,627 to $80,824, with luxury models costing significantly more than standard sedans. 

Average cost$57,225Typical price range$33,625 &#; $80,825Extreme low end cost$27,400Extreme high end cost$2,400,000

Landscape lighting

The right landscape lighting can add to your outdoor ambiance and increase your property&#;s curb appeal. Thankfully, there are many lithium-ion and solar-powered options to illuminate your landscape. Professionally installed landscape lighting typically costs between $2,100 and $4,900, but do-it-yourself battery-powered lighting is usually just $100 to $1,500. 

Average cost$3,500Typical price range$2,100 &#; $4,900Extreme low end cost$500Extreme high end cost$7,000

Cost of lithium-ion battery by location

Lithium-ion battery prices differ between countries. Li-ion batteries are the cheapest in China, but they have a lower cost in Europe than in the United States. About 80% of Li-ion battery cells are made in China.

FAQ about lithium-ion batteries

1. How many years will a lithium-ion battery last?

Lithium-ion batteries usually last at least 2 to 5 years, but some can last as long as 15 to 20 years.

2. How damaging is lithium mining?

Lithium-ion batteries are more eco-friendly than gas-powered products, but lithium mining negatively affects the environment in the following ways:

It requires a lot of water, and there often isn&#;t enough water left for local farmers and wildlife.
It deteriorates the soil structure.

It pollutes the air. According to MIT, most lithium is extracted from hard rock mines using equipment that runs on fossil fuels. As a result, 15 metric tons of CO2 are released into the air to get one metric ton of lithium. 

3. Should lithium batteries be 100% charged?

It is better not to charge the battery fully; many Li-ion battery chargers say it is at 100% before it actually gets there. It is also better not to fully drain the battery before placing it on a charger.  Not allowing the battery to charge or discharge fully will increase its lifespan. 

Final thoughts

Lithium-ion batteries have revolutionized the automobile and electronics market. They are safe, lightweight, and provide constant power. Although their cost has recently increased, the price has steadily decreased over the years. 

Although EV maintenance is still expensive for many Americans, battery-powered outdoor tools are often less costly than their gas-guzzling counterparts. However, high-end equipment used by pros is costly. As a result, most homeowners prefer to let a lawn care pro handle the hard work. 

Note: LawnLove may get a referral fee for matching you with contractors in your area.

Main Image Credit: Juan Ramon Roballo&#;s Images | Canva Pro | License

Michelle Selzer

Michelle Selzer is a witty writer with a passion for plants and outdoor power tools. When she's not out in the yard, Michelle enjoys fishing, hunting, and chasing waterfalls. Posts by Michelle Selzer

Michelle Selzer is a witty writer with a passion for plants and outdoor power tools. When she's not out in the yard, Michelle enjoys fishing, hunting, and chasing waterfalls.

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