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:
Feb. 17, 2004
Filed:
Jun. 19, 2001
Hiroyuki Suzuki, Ako, JP;
Kyoichi Ariga, Ako, JP;
Kenichi Kobayashi, Tsukuba, JP;
Hiroshi Ogura, Tokyo-To, JP;
Nobuyuki Muromachi, Tsukuba, JP;
Mieko Nagamori, Koga, JP;
Hideki Toshima, Koga, JP;
Other;
Abstract
There is provided a metal hydride negative electrode having excellent discharge characteristics at the beginning of a charge and discharge cycle, excellent gas absorptivity during charge, and an excellent cycle life, and a method for producing the same without the need of any complicated producing processes. The metal hydride negative electrode ( ) is used for a nickel hydride cell, and comprises a substrate ( ) and a negative electrode plate ( ) which is formed by applying a hydrogen absorbing alloy composition containing a hydrogen absorbing alloy powder, a conductive material, a binder and a dispersing agent on the substrate, wherein the negative electrode plate has a surface portion ( ) which has a predetermined water repellent rate and a plurality of convex portions.