Lithium-ion (Li-ion)

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Lithium-ion (Li-ion) is a type of rechargeable battery featuring lithium ions moving between the anode and cathode during charging and discharging.

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Lithium-ion batteries are widely used in portable electronics and electric vehicles due to their high energy density, no memory effect, and slow loss of charge when not in use. These batteries provide an energy density ranging from 150 to 200 Wh/kg, making them advantageous for applications requiring compact and lightweight power sources.

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The Tesla Model 3 Long Range battery pack contains Li-ion cells, providing a capacity of approximately 75 kWh and enabling a range of up to 570 km (353 miles) on a single charge.

This application is common in electric vehicles where high energy density and long lifecycle are critical for achieving practical driving ranges.

The Apple iPhone 14 features a Li-ion battery with a capacity of 4323 mAh, allowing for up to 20 hours of talk time.

Li-ion batteries are standard in smartphones due to their lightweight and compact size, offering a balance between capacity and portability.