The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2001
Filed:
Apr. 14, 1999
Applicant:
Inventors:
Katsuhiko Shinyama, Higashiosaka, JP;
Yoshinori Matsuura, Hirakata, JP;
Reizo Maeda, Hirakata, JP;
Ikuo Yonezu, Hirakata, JP;
Koji Nishio, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/32 ; H01M 4/50 ; H01M 4/58 ;
U.S. Cl.
CPC ...
H01M 4/32 ; H01M 4/50 ; H01M 4/58 ;
Abstract
In a non-sintered nickel electrode for an alkaline storage cell, a discharge capacity and cycle life are improved. This is achieved by employing, as an active material for the non-sintered electrode, coated nickel active material particles, each of the particle comprising a base particle composed of nickel hydroxide and a Co—P—A layer coated on the base particle comprising Co and P and an element A, where A is at least one element selected from the group consisting of Mn, Zn, Ni, Y, and Bi.