Electrolyte, lithium secondary battery, and electric device
AssigneeContemporary Amperex Technology Co., Limited
InventorsCuiping ZHANG, Changlong HAN
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Abstract
An electrolyte, a lithium secondary battery, and an electric device. The electrolyte includes a first solvent, a silane compound containing a carbon-carbon double bond, and a cyclic lithium borate compound. The first solvent includes a cyclic carbonate compound. Based on a total mass of the electrolyte, a mass content W3 of the cyclic carbonate compound, a mass content W1 of the silane compound containing a carbon-carbon double bond, and a mass content W2 of the cyclic lithium borate compound satisfy: 0.001≤(W1+W2)/W3≤2.67.
Claims20
An electrolyte for a lithium secondary battery, comprising a first solvent, a silane compound containing a carbon-carbon double bond, and a cyclic lithium borate compound, the first solvent comprising a cyclic carbonate compound, and the cyclic carbonate compound comprising at least one of ethylene carbonate, fluoroethylene carbonate, and propylene carbonate, wherein
- based on a total mass of the electrolyte, a mass content W3 of the cyclic carbonate compound, a mass content W1 of the silane compound containing a carbon-carbon double bond, and a mass content W2 of the cyclic lithium borate compound satisfy:
- 0.001≤(W1+W2)/W3≤2.67.
Dependencies are inferred from the claim text.