1. By structure

　　Winding type:

　　The same winding process as that used in the production of liquid lithium-ion battery is used to wind the positive pole, negative pole and electrolyte membrane and package them with aluminum foil.

　　Laminated:

　　Using the hot pressing process, the positive pole, negative pole and electrolyte membrane which are cut into certain sizes are hot pressed together and packaged with packaging aluminum foil.

　　2. Classification by electrolyte

　　The gel polymer electrolyte lithium ion battery adds additives in the solid polymer electrolyte to improve the ion conductivity, so that the battery can be used at room temperature;

　　Lithium ion battery with solid polymer electrolyte, the electrolyte is a mixture of polymer and salt, which has low ionic conductivity at room temperature and is suitable for high temperature use;

　　The specific energy of the lithium-ion battery with composite gel polymer cathode material and conductive polymer as cathode material is three times that of the existing lithium-ion battery, which is the latest generation of lithium-ion battery.

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