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:
Nov. 05, 2002
Filed:
Jul. 11, 2000
Applicant:
Inventors:
Yoshinori Matsuura, Hirakata, JP;
Reizo Maeda, Kasai, JP;
Katsuhiko Shinyama, Higashiosaka, JP;
Tadayoshi Tanaka, Takatsuki, JP;
Toshiyuki Nohma, Hirakata, JP;
Ikuo Yonezu, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 ; H01M 4/38 ;
U.S. Cl.
CPC ...
H01M 4/62 ; H01M 4/38 ;
Abstract
In a hydrogen absorbing alloy electrode containing hydrogen absorbing alloy powder and a binding agent, employed as the binding agent is a copolymer of aromatic vinyl and at least one of acrylic ester and methacrylic acid ester, in which the total content of acrylic ester units and methacrylic acid ester units is in the range of 43 to 90% by weight of the whole copolymer, and the hydrogen absorbing alloy electrode is used as a negative electrode of a nickel-metal hydride battery.