Title:
NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/181477
Kind Code:
A1
Abstract:
Provided is a negative electrode which enables a zinc secondary battery to have a prolonged cycle life. This negative electrode is for use in a zinc secondary battery and contains: ZnO particles, metal Zn particles having an average particle diameter D50 of 85-250 μm; and Bi2O3 particles having an average major axis diameter of 0.3-8.5 μm. In the negative electrode, when the contained amount of the ZnO particles is 100 parts by weight, the contained amount of the metal Zn particles is 1.0-87.5 parts by weight, and the contained amount of the Bi2O3 particles is 0.5-20 parts by weight.
Inventors:
MATSUBAYASHI HIROSHI (JP)
SHIMIZU SOTA (JP)
HIRAIWA TOSHIKI (JP)
HIRAYAMA EIICHI (JP)
SHIMIZU SOTA (JP)
HIRAIWA TOSHIKI (JP)
HIRAYAMA EIICHI (JP)
Application Number:
PCT/JP2022/040191
Publication Date:
September 28, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
H01M4/24; H01M4/38; H01M4/48; H01M10/30; H01M12/08
Domestic Patent References:
| WO2020049902A1 | 2020-03-12 | |||
| WO2022118610A1 | 2022-06-09 |
Foreign References:
| JP2019133769A | 2019-08-08 | |||
| JP2015072832A | 2015-04-16 |
Attorney, Agent or Firm:
TAKAMURA Masaharu et al. (JP)
Download PDF:
Previous Patent: METHOD FOR MACHINING WORKPIECE AND SYSTEM FOR MACHINING WORKPIECE
Next Patent: SEX DETERMINATION DEVICE AND SEX DETERMINATION METHOD
Next Patent: SEX DETERMINATION DEVICE AND SEX DETERMINATION METHOD