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Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/065900
Kind Code:
A1
Abstract:
This secondary battery is provided with a negative electrode including a negative electrode active material layer, a positive electrode including a positive electrode active material layer having the same size in the width direction as the negative electrode active material layer, and an electrolyte. The positive electrode active material layer includes a reaction active part where a charging/discharging reaction progresses and a low reaction active part where the charging/discharging reaction tends to progress less than in the reaction active part, and the low reaction active part is at least one among one end part and the other end part of the positive electrode active material layer in the width direction thereof.

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Inventors:
WATANABE RIE (JP)
OKUNO MORIAKI (JP)
HORIKOSHI YOSHIICHI (JP)
KATSUMOTO TAICHI (JP)
HAYAZAKI SHINJI (JP)
Application Number:
PCT/JP2020/036875
Publication Date:
April 08, 2021
Filing Date:
September 29, 2020
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M4/13; H01M10/04; H01M10/058
Foreign References:
JP2004055537A2004-02-19
JP2016105360A2016-06-09
JP2017098178A2017-06-01
JP2019079708A2019-05-23
JPH11307084A1999-11-05
JP2007510259W
JPH06223860A1994-08-12
JP2018037308A2018-03-08
JP2016219327A2016-12-22
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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