Mixed non water electrolyte additive for improving battery high-temperature performance
A non-aqueous electrolyte, high-temperature performance technology, applied in the direction of non-aqueous electrolyte batteries, non-aqueous electrolyte batteries, secondary batteries, etc., can solve the problem of loss of low-temperature performance, and achieve the goal of inhibiting expansion, ensuring high-temperature performance, and meeting battery performance effect of demand
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Embodiment 1
[0014] The composition of the non-aqueous electrolyte: EMC / EC / PC=55:40:5 (ratio by weight), the solute is LiPF6, and the concentration is 1mol / L. In 100 parts by weight of non-aqueous electrolyte, add 3 parts of PS and 1 part of VC to form a general additive. Then 0.5 parts of VEC and 0.1 parts each of PPACA and ethyl acetate were added thereto.
Embodiment 2
[0016] The composition of the non-aqueous electrolyte: EMC / EC / PC=55:40:5 (ratio by weight), the solute is LiPF6, and the concentration is 1mol / L. In 100 parts by weight of non-aqueous electrolyte, add 3 parts of PS and 1 part of VC to form a general additive. Then 1.0 part of VEC and 0.1 parts each of PPACA and ethyl acetate were added thereto.
Embodiment 3
[0018] The composition of the non-aqueous electrolyte: EMC / EC / PC=55:40:5 (ratio by weight), the solute is LiPF6, and the concentration is 1mol / L. In 100 parts by weight of non-aqueous electrolyte, add 3 parts of PS and 1 part of VC to form a general additive. Then 1.0 part of VEC and 0.2 parts each of PPACA and ethyl acetate were added thereto.
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