What are the classifications of lithium polymer batteries?

Lithium polymer batteries can be classified into three types according to electrolytes:

(1) A gel polymer electrolyte lithium ion battery, which adds an additive to a solid polymer electrolyte to increase ionic conductivity, so that the battery can be used at normal temperature;

(2) Solid polymer electrolyte lithium ion battery, the electrolyte is a mixture of polymer and salt, has low ion conductivity at normal temperature, and is suitable for high temperature use;

(3) Lithium-ion battery of composite gel polymer cathode material, conductive polymer as the cathode material, its specific energy is three times that of the existing lithium ion battery and it is the latest generation of lithium ion battery.

Due to various reasons such as technology, lithium polymer batteries are currently concentrated on the research of small current charge and discharge characteristics of small-capacity batteries. The charging protection circuit for medium- and large-capacity, medium- and high-power lithium-ion batteries is not mature [20], once solved The charging, equalization and protection circuit of large-capacity lithium polymer batteries, polymer lithium battery will be better applied to electric bicycles, so the research on lithium polymer has great social and economic benefits. There are also other potentially significant implications.

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