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:
Apr. 08, 2008
Filed:
Jun. 09, 2003
Atsushi Adachi, Kosai, JP;
Kazuyuki Kusama, Toyohashi, JP;
Michio Ozawa, Toyohashi, JP;
Nobuyasu Morishita, Toyohashi, JP;
Masaru Kobayashi, Toyohashi, JP;
Atsushi Adachi, Kosai, JP;
Kazuyuki Kusama, Toyohashi, JP;
Michio Ozawa, Toyohashi, JP;
Nobuyasu Morishita, Toyohashi, JP;
Masaru Kobayashi, Toyohashi, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Abstract
A plate core material is manufactured by a method including the processes of soaking a core material () that is made of nickel or nickel-plated steel and includes copper as an impurity in an aqueous solution () containing ammonium ions and hydrogen peroxide, so that the copper is dissolved in the aqueous solution (), and removing the aqueous solution () from the surface of the core material (). Further, an alkaline storage battery is manufactured by a method including this manufacturing method. According to the manufacturing method of the present invention, an alkaline storage battery having higher reliability than that of a conventional alkaline storage battery can be obtained.