Title:
ALKALINE STORAGE BATTERY NEGATIVE ELECTRODE, PRODUCTION METHOD FOR SAME, AND ALKALINE STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/155399
Kind Code:
A1
Abstract:
Provided are: an alkaline storage battery negative electrode (1) that has excellent cost stability, has high discharge capacity from an initial charge/discharge cycle, and can maintain said high discharge capacity over a long period of time; and a production method for the negative electrode (1) and an alkaline storage battery that includes the same. The negative electrode (1) has a collector (2), an adhesive (3), and an active material (4) that is held on the collector (2) via the adhesive (3). Particles (41) of the active material (4) have: a core part (412) that comprises a hydrogen-occluding alloy; and a surface layer (411) that contains a hydroxide of Ni and is on the surface of the core part (412). The composition of the core parts (412) is ZrATixNbyNiz (provided that 0.20≤x≤0.50, 01.0.
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Inventors:
MATSUYAMA AKIHIRO (JP)
SATO SHIGEKI (JP)
SATO SHIGEKI (JP)
Application Number:
PCT/JP2018/005855
Publication Date:
August 30, 2018
Filing Date:
February 20, 2018
Export Citation:
Assignee:
AICHI STEEL CORP (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
H01M4/24; B22F1/00; B22F1/16; B22F9/04; C22C16/00; C22C19/00; C22C30/00; H01M4/26; H01M4/38
Foreign References:
| JPH0927321A | 1997-01-28 | |||
| JPH0729568A | 1995-01-31 | |||
| JP2002334695A | 2002-11-22 | |||
| JPH07114921A | 1995-05-02 | |||
| JP2017168362A | 2017-09-21 |
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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