Title:
HYDROGEN STORAGE ALLOY ELECTRODE AND HYDROGEN STORAGE ALLOY PARTICLE FOR METAL-HYDRIDE ALKALINE STORAGE BATTERY
Document Type and Number:
Japanese Patent JP3499923
Kind Code:
B2
Abstract:
PURPOSE: To obtain the metal-hydride alkaline storage battery, which has a long lifetime and of which inner pressure is hard to rise so that the activation processing can be finished in a short time, by forming the surface of hydrogen storage alloy particle, which is to be used for the electrode material, with a nickel plating layer, which includes phosphorus of the specific phosphorus
CONSTITUTION: Electroless nickel plating, which includes phosphorus at 11-14% by weight, is performed to the surface of a hydrogen storage alloy to be used for a metal-hydride alkaline storage battery so as to form an electroless nickel plating layer on the particle surface of the alloy. This hydrogen storage alloy is used for the manufacture of electrode. Even in the case where charge and discharge cycle is repeated, oxidation and deterioration of the hydrogen storage alloy is hard to be generated. Furthermore, since this nickel plating layer is a porous film, which includes phosphorus at a high rate, charge and discharge reaction is hard to be hindered, and the inner pressure of the battery is hard to rise even in the case of over charge.
Inventors:
Katsuhiko Niiyama
Yoshito Konno
Reizo Maeda
Mitsuzo Nogami
Koji Nishio
Toshihiko Saitoh
Yoshito Konno
Reizo Maeda
Mitsuzo Nogami
Koji Nishio
Toshihiko Saitoh
Application Number:
JP18637594A
Publication Date:
February 23, 2004
Filing Date:
July 15, 1994
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H01M10/30; H01M4/24; H01M4/38; (IPC1-7): H01M4/24; H01M4/38
Domestic Patent References:
| JP61163569A | ||||
| JP6164069A |
Attorney, Agent or Firm:
Tomohiro Matsuo
Previous Patent: METHOD FOR AUTOMATICALLY DECIDING LIMIT OF GRADIENT PULSE SEQUENCE
Next Patent: FILLING VALVE
Next Patent: FILLING VALVE