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Home » F.A.Q. » Structure of lithium ion rechargeable battery

Structure of lithium ion rechargeable battery


Structure (prismatic cell)


Structure (prismatic cell)


Lithium ion rechargeable batteries have a three-layer structure consisting of an insulative porous separator sandwiched between sheet-like cathode and anode materials, which, in the case of a prismatic cell, are wrapped around in an elliptical form. These materials are impregnated in an electrolyte and sealed in a metal case. This metal case forms the anode pin (or cathode pin in the case of an aluminum case). The top of the battery includes the cathode pin (or anode pin in the case of an aluminum case) as well as a safety vent to protect the battery by releasing gas externally if the pressure inside the cell builds up to extreme levels.
Ultimate Electronics Online Knowledge about battery: Classification of batteries
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