Lithium-ion is the most popular rechargeable battery chemistry used today. Lithium-ion batteries power the devices we use every day, like our mobile phones and electric vehicles.
Lithium-ion batteries consist of single or multiple lithium-ion cells, along with a protective circuit board. They are referred to as batteries once the cell, or cells, are installed inside a device with the protective circuit board. Do you know the components of a lithium-ion cell?
Electrodes: The positively and negatively charged ends of a cell. Attached to the current collectors
Anode: The negative electrode
Cathode: The positive electrode
Electrolyte: A liquid or gel that conducts electricity
Current collectors: Conductive foils at each electrode of the battery that are connected to the terminals of the cell. The cell terminals transmit the electric current between the battery, the device and the energy source that powers the battery
Separator: A porous polymeric film that separates the electrodes while enabling the exchange of lithium ions from one side to the other
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