High-rate capacity power battery electrolyte
2015
The invention provides a high-rate capacity power battery electrode. The high-rate capacity power battery electrode comprises a lithium salt, a non-aqueous organic solvent, a functional additive and a film formation additive, wherein the film formation additive is lithium salt bi-fluoride phosphorous acid. On the basis of an existing functional additive such as an electrolyte containing VC, a new lithium salt additive LiDFP is added, the chemical constituent of a solid electrolyte interface (SEI) film is optimized, Li transmission dynamics of a negative electrode/electrolyte interface is improved, and high-rate cycle property of a power battery is improved.
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