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Title:
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/176618
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a nonaqueous electrolyte secondary battery which has excellent cycle characteristics even in cases where a sulfur-carbon composite body and a sulfur-modified organic compound are used as negative electrode active materials. The present invention is a nonaqueous electrolyte secondary battery which comprises: a negative electrode which comprises an active material that is selected from the group consisting of sulfur-porous carbon composite bodies and sulfur-modified organic compounds; a positive electrode which comprises a positive electrode active material; and a nonaqueous electrolyte which contains a lithium salt. This nonaqueous electrolyte secondary battery is configured such that the nonaqueous electrolyte contains at least one compound that is selected from the group consisting of compounds which have a specific structure.

Inventors:
KAKIAGE, Kenji (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 54, 〒1168554, JP)
NOHARA, Yuta (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 54, 〒1168554, JP)
NAKANISHI, Marie (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 54, 〒1168554, JP)
AOYAMA, Yohei (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 54, 〒1168554, JP)
Application Number:
JP2019/008407
Publication Date:
September 19, 2019
Filing Date:
March 04, 2019
Export Citation:
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Assignee:
ADEKA CORPORATION (2-35, Higashiogu 7-chome Arakawa-k, Tokyo 54, 〒1168554, JP)
International Classes:
H01M10/052; H01M4/36; H01M4/38; H01M4/58; H01M4/60; H01M10/0567
Domestic Patent References:
WO2015137253A12015-09-17
WO2019073831A12019-04-18
Foreign References:
JP2015523693A2015-08-13
JP2006216553A2006-08-17
JP2013118168A2013-06-13
JP2014096326A2014-05-22
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (NIKKEN AKASAKA BLDG, 7F. 5-7, Akasaka 2-chome, Minato-K, Tokyo 52, 〒1070052, JP)
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