1. Basic introduction of lithium-ion button battery Button lithium -ion battery is a rechargeable battery that uses lithium ions as charge carriers. It consists of positive electrode, negative electrode, electrolyte and diaphragm. The positive electrode usually uses lithium compounds, such as lithium cobalt oxide , lithium iron phosphate, etc. The negative electrode generally uses graphite material. The electrolyte is an organic solution containing lithium salts that can provide a medium for ion transmission. The diaphragm is used to isolate the positive and negative electrodes to prevent short circuits.
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