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:
Oct. 12, 1999
Filed:
Jun. 13, 1997
Applicant:
Inventors:
Naomi Bando, Kawasaki, JP;
Tetsuya Yamane, Kawasaki, JP;
Masayoshi Hiruma, Yokohama, JP;
Makoto Wakabayashi, Atsugi, JP;
Kunihiko Miyamoto, Tokyo, JP;
Takeshi Fukuju, Yokosuka, JP;
Ken Komiyama, Tokyo, JP;
Hiroshi Kaneko, Yokohama, JP;
Ken-ichi Kanno, Yokohama, JP;
Assignee:
Toshiba Battery Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429223 ; 429233 ; 429241 ; 429242 ; 296231 ;
Abstract
An alkaline secondary battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, wherein the positive electrode comprises a conductive substrate and a mixture held by the conductive substrate, the mixture containing nickel hydroxide and a conductive cobalt compound, and the positive electrode has pores, substantially all of the pores each having a diameter with a range of 0.0001 .mu.m to 10 .mu.m.