Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/058054
Kind Code:
A1
Abstract:
Provided is a secondary battery in which charging and discharging reactions occur more favorably, thereby improving the volumetric energy density of an electrode. A secondary battery 100 according to the present disclosure comprises an electrode structure 10 composed of a positive electrode 1 and a negative electrode 2 having a larger area than the positive electrode 1, the positive and negative electrodes being disposed opposite to each other with a separator 3 interposed therebetween. The negative electrode 2 has an opposite part 21 opposite to the positive electrode 1 and a non-opposite part 22 that is not opposite to the positive electrode 1. The surface of the non-opposite part 22 is rougher than the surface of the opposite part 21.
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Inventors:
WAKABAYASHI KEI (JP)
Application Number:
PCT/JP2023/032727
Publication Date:
March 21, 2024
Filing Date:
September 07, 2023
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/058; H01M4/13; H01M10/052; H01M10/0587
Domestic Patent References:
| WO2018163295A1 | 2018-09-13 | |||
| WO2021065335A1 | 2021-04-08 |
Foreign References:
| JP2015170449A | 2015-09-28 | |||
| JP2013243097A | 2013-12-05 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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