ELECTROLYTE, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, AND MODULE

The disclosure provides an electrolyte solution capable of improving the output characteristics of an electrochemical device at initial stage and after high-temperature storage as well as the high-temperature cycle characteristics of the device. The electrolyte solution contains a compound (1) repre...

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Main Authors YAMAUCHI, Akiyoshi, KUWAJIMA, Yoshiko, YAMAZAKI, Shigeaki, YAMAMOTO, Yoshihiro, TAKAHASHI, Kenzou, HAYASHI, Kotaro, HIDAKA, Tomoya, NAKAMURA, Hisako, KINOSHITA, Masakazu, SUZUKI, Yuuki, SHIMOOKA, Toshiharu, YAMADA, Takaya
Format Patent
LanguageEnglish
French
German
Published 26.01.2022
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The disclosure provides an electrolyte solution capable of improving the output characteristics of an electrochemical device at initial stage and after high-temperature storage as well as the high-temperature cycle characteristics of the device. The electrolyte solution contains a compound (1) represented by the formula (1) (wherein M101 is P or P=O; R101 is a group such as a C1-C11 alkylsilyloxy group; n101 is an oxidation number of M101 minus 1 or an oxidation number of M101 minus 3; and R102 to R104 are each individually a group such as a C1-C11 alkyl group) and a compound (11) represented by, for example, the formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each an atom or group such as a hydrogen atom; and R113 is a group such as an alkyl group free from a fluorine atom).
Bibliography:Application Number: EP20190803680