The electrolyte component of the lithium battery includes the following three parts:

　　(1) Solvent: polyester (PC, EC); chain carbonate (DEC, DMC, EMC); carboxyl acid (MF, MA, EA, MA, MP, etc.) (for dissolving lithium salt).

　　(2) Lithium salt: Lipf6, LIClo4, Libf4, Liasf6, etc.

　　(3) Additives: Microscopic additives, conductive additives, flame retardant additives, overcharge protective additives, adding agents with H2O and HF content in the electrolyte, additives that improve low temperature performance, and multi -functional additives.

　　Generally, the electrolyte used by lithium -ion batteries must meet the following basic requirements:

　　a. The ionic conductivity is high, usually 1 × 10-3 ~ 2 × 2 s/cm.

　　b. High temperature and chemical stability are high and will not be separated in a large range of voltage.

　　c. Has a larger electrochemical window to keep it stable in the electrochemical characteristics of the larger voltage range.

　　d. It has good compatibility with other components such as electrode materials, electrode set fluids, and partitions.

　　e. Safe, non -toxic, non -polluting.

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