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AssigneeNingde Amperex Technology Limited
InventorsQian Wen, Bin Wang, Xiexue Peng, Jianming Zheng
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The present application relates to an electrolytic solution and an electrochemical device using the same. The electrolytic solution comprises a cyclic fluorocarbonate, a chain fluorocarbonate and a fluoroether compound, wherein based on the weight of the electrolytic solution, the weight percentage of the cyclic fluorocarbonate is 15 wt % to 80 wt %. The electrolytic solution provided by the present application has high electric conductivity and good electrochemical stability and safety performance, can significantly improve the cycle performance of the battery, and especially meet the demand for long cycle life of a lithium metal battery, and has a very large application value in the lithium metal battery.
An electrolytic solution comprising a cyclic fluorocarbonate, a chain fluorocarbonate and a fluoroether compound, wherein based on the weight of the electrolytic solution, the weight percentage of the cyclic fluorocarbonate is X, and the sum of the weight percentages of the chain fluorocarbonate and the fluoroether compound is Y, wherein X is 15 wt % to 80 wt %, and 0.67≤Y/X≤5.7.
An electrochemical device, comprising an electrolytic solution, wherein the electrolytic solution comprises a cyclic fluorocarbonate, a chain fluorocarbonate and a fluoroether compound, wherein based on the weight of the electrolytic solution, the weight percentage of the cyclic fluorocarbonate is X, and the sum of the weight percentages of the chain fluorocarbonate and the fluoroether compound is Y, wherein X is 15 wt % to 80 w t%, and 0.67≤Y/X≤5.7.
An electronic device comprising an electrochemical device, wherein the electrochemical device comprises an electrolytic solution, wherein the electrolytic solution comprises a cyclic fluorocarbonate, a chain fluorocarbonate and a fluoroether compound, wherein based on the weight of the electrolytic solution, the weight percentage of the cyclic fluorocarbonate is X, and the sum of the weight percentages of the chain fluorocarbonate and the fluoroether compound is Y, wherein X is 15 wt % to 80 wt %, and 0.67≤Y/X≤5.7.
Dependencies are inferred from the claim text.