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Patent Searching and Data


Title:
LITHIUM SECONDARY BATTERY INCLUDING ELECTROLYTE ADDITIVE FOR LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/197093
Kind Code:
A1
Abstract:
Provided is a lithium secondary battery including: a cathode; an anode; and an electrolyte interposed between the cathode and the anode, wherein the electrolyte includes one or more compounds (A) represented by chemical formula 1 and one or more compounds (B) represented by chemical formula 2, and the working voltage of the lithium secondary battery is 4.45 V or more: wherein, for the descriptions of R 1, R 11 to R 13 and Z 1 in chemical formula 1, the present specification may be referred to.

Inventors:
BAE TAE HYUN (KR)
GOH AE HUI (KR)
Application Number:
PCT/KR2020/002063
Publication Date:
October 01, 2020
Filing Date:
February 13, 2020
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M10/0567; H01M4/525; H01M10/052; H01M10/42
Domestic Patent References:
WO2016209843A12016-12-29
WO2016209844A22016-12-29
Foreign References:
KR20140092746A2014-07-24
JP2002319431A2002-10-31
Other References:
LIN, Y.: "Optimal concentration of electrolyte additive for cyclic stability improvement of high-voltage cathode of lithium-ion battery", IONICS, 19 August 2017 (2017-08-19), pages 661 - 670, XP036441963, DOI: 10.1007/s11581-017-2239-y
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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