Composition and characteristics of electrolyte

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Composition and characteristics of electrolyte

Composition and characteristics of electrolyte

Electrolyte is one of the four key materials (positive electrode, negative electrode, diaphragm and electrolyte) of lithium-ion battery. It is known as the "blood" of lithium-ion battery. It plays the role of conducting electrons between the positive and negative electrodes in the battery and is the guarantee for lithium-ion battery to obtain the advantages of high voltage and high specific energy.

Electrolyte is generally prepared from high-purity organic solvent, electrolyte lithium salt (lithium hexafluorophosphate, lifl6), necessary additives and other raw materials in a certain proportion under certain conditions.

Electrolyte mainly has the following characteristics: reduction resistance and oxidation resistance; High ionic conductivity; High conductivity (the more free ions, the lower ionic conductivity); Low viscosity (ease of movement of free ions); Low freezing point.

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Composition and characteristics of electrolyte_Organic electrolyte battery