The 18650 lithium battery is generally composed of positive electrode material and negative electrode material. The positive electrode materials include lithium nickelate, lithium manganate, NMC, lithium iron phosphate, etc., while the negative electrode materials generally include amorphous carbon materials, graphitized carbon materials, silicon-based materials, nitrides, and new alloys.

   In addition, if you look for the chemical substances composed of 18650 lithium batteries, it would be more. Such as the general composition of electrolyte, CMC, lithium cobalt oxide, diaphragm, PVDF, high temperature adhesive tape, NMP, graphite negative electrode, SBR, oxalic acid, copper foil, aluminum foil, etc. These are the constituent materials of 18650 lithium batteries. There are also some materials such as current collectors, adhesives and conductive agents that improve the conductivity and processing properties of the battery.

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