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. 04, 2006
Filed:
Jul. 02, 2001
Chiaki Iwakura, Sakai, JP;
Naoji Furukawa, Yawata, JP;
Yoichi Izumi, Moriguchi, JP;
Yoshio Moriwaki, Hirakata, JP;
Chiaki Iwakura, Sakai, JP;
Naoji Furukawa, Yawata, JP;
Yoichi Izumi, Moriguchi, JP;
Yoshio Moriwaki, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In order to obtain a nickel-metal hydride storage battery having a long cycle life and a low self-discharge rate, in a nickel-metal hydride storage battery comprising: a positive electrode containing nickel hydroxide; a negative electrode containing a hydrogen storage alloy; a separator interposed between the positive and negative electrodes; and an electrolyte comprising an aqueous alkaline solution, a water absorbent polymer, a water repellent and an aqueous alkaline solution are added into the separator. This battery can be produced with low cost.