ELECTROLYTE SOLUTION, ELECTROCHEMICAL DEVICE CONTAINING SAME, AND ELECTRONIC DEVICE

WIPO Patent Application WO/2023/123464

A1

The present application provides an electrolyte solution, an electrochemical device containing same, and an electronic device. The electrolyte solution comprises a compound shown in formula (I), and on the basis of the mass of the electrolyte solution, the mass percentage content of the compound shown in the formula (I) is 0.05%-5%. The compound shown in the formula (I) comprises a nitrogen-containing unsaturated sulfone functional group, such that a stable positive-electrode electrolyte interface can be formed on a positive electrode, a stable solid electrolyte interface can be formed on a negative electrode, and decomposition of the electrolyte solution can be inhibited by improving the stability of the electrolyte solution, thereby improving the cycle performance and the storage performance of the electrochemical device.

JP5169400	Non-aqueous electrolyte solution and non-aqueous electrolyte solution secondary battery using it
WO/2014/129823	ELECTROLYTE ADDITIVE FOR LITHIUM SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE CONTAINING SAID ELECTROLYTE ADDITIVE, AND LITHIUM SECONDARY BATTERY
WO/2010/064637	METHOD FOR PRODUCING DIFLUOROPHOSPHATE, NONAQUEOUS ELECTROLYTE SOLUTION, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

PENG XIEXUE (CN)
TANG CHAO (CN)

PCT/CN2021/143937

July 06, 2023

December 31, 2021

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DONGGUAN AMPEREX TECH LTD (CN)

H01M10/0567; H01M10/0525

CN112349961A	2021-02-09
CN113273011A	2021-08-17
JP2012018860A	2012-01-26
JP2001015156A	2001-01-19

PATENTSINO IP FIRM (CN)

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