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:
Jan. 23, 2007
Filed:
Nov. 13, 2001
Kiyoshi Hayashi, Toyohashi, JP;
Toshihiro Yamada, Toyohashi, JP;
Nobuyasu Morishita, Toyohashi, JP;
Kojiro Ito, Kosai, JP;
Kiyoshi Hayashi, Toyohashi, JP;
Toshihiro Yamada, Toyohashi, JP;
Nobuyasu Morishita, Toyohashi, JP;
Kojiro Ito, Kosai, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Abstract
To provide an alkaline storage battery, a cobalt compound obtained by mixing a cobalt hydroxide powder and a sodium hydroxide powder and applying a heat treatment to the same in an atmosphere containing oxygen, a cobalt compound obtained by adding a sodium hydroxide aqueous solution and an aqueous solution containing an oxidizing agent to a cobalt hydroxide powder, or a cobalt compound obtained by baking a cobalt hydroxide powder in an atmosphere containing oxygen is used. This provides cobalt compounds suitable for producing long-life and highly reliable alkaline storage batteries, methods for manufacturing the same, and positive electrode plates of alkaline storage batteries employing the same.