Title:
NICKEL ZINC SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2021157893
Kind Code:
A
Abstract:
To provide a nickel zinc secondary battery which can effectively reduce hydrogen gas generation accompanying its long-term storing in quantity without giving an adverse effect to a battery system.SOLUTION: A nickel zinc secondary battery comprises, in a closed container, a positive electrode, a negative electrode, a separator for separating the positive electrode and the negative electrode in such a manner that a hydroxyl ion can be conducted, and an electrolyte solution. The closed container has an upside excess space at a position (excluding a place where it electrically connects to the negative electrode) over the positive electrode, the negative electrode, the separator and the electrolyte solution. In the upside excess space, a hydrogen absorbent selected from a group consisting of Ag2O, AgNiO2 and AgxCoyNizO2 (where x+y+z=2) is arranged.SELECTED DRAWING: Figure 1
Inventors:
MAKI AYAKA
TANIMOTO MINORU
YAGI TAKESHI
TANIMOTO MINORU
YAGI TAKESHI
Application Number:
JP2020054913A
Publication Date:
October 07, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
NGK INSULATORS LTD
International Classes:
H01M10/30; H01M4/42; H01M4/48; H01M4/52; H01M50/10; H01M50/147; H01M50/409; H01M50/531
Domestic Patent References:
| JPS59502082A | 1984-12-13 | |||
| JPS52155338A | 1977-12-23 | |||
| JP2016162646A | 2016-09-05 | |||
| JP2019128987A | 2019-08-01 |
Attorney, Agent or Firm:
Masaharu Takamura
Hiroki Kashima
Yu Hasegawa
Hiroki Kashima
Yu Hasegawa