ONEX 18650

What Are the Main Structural Components of Lithium-ion Batteries?

The main components of lithium-ion batteries are:

  • Upper and lower battery covers
  • Positive electrode sheet (active material is lithium cobalt oxide
  • Separator (a special composite membrane)
  • Negative electrode (active material is carbon)
  • Organic electrolyte
  • Battery case (divided into two kinds of steel shell and aluminum shell), etc.

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