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:
May. 31, 2005
Filed:
Nov. 02, 2001
Hiroyuki Kamisuki, Tokyo, JP;
Toshihiko Nishiyama, Tokyo, JP;
Gaku Harada, Tokyo, JP;
Shinya Yoshida, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuuji Nakagawa, Tokyo, JP;
Tomoki Nobuta, Tokyo, JP;
Masaya Mitani, Tokyo, JP;
Hiroyuki Kamisuki, Tokyo, JP;
Toshihiko Nishiyama, Tokyo, JP;
Gaku Harada, Tokyo, JP;
Shinya Yoshida, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuuji Nakagawa, Tokyo, JP;
Tomoki Nobuta, Tokyo, JP;
Masaya Mitani, Tokyo, JP;
NEC Tokin Corporation, Miyagi, JP;
Abstract
A secondary battery of a proton conductive polymer, wherein a positive electrodeand a negative electrodeare arranged facing to each other via a separator in an electrolytic solution and only a proton in a π conjugated polymer or a proton of a hydroxyl group in a hydroxyl-containing macromolecular as an active material of an electrode in the positive and negative electrodes participates in a charge/discharge; the secondary battery uses a membrane, which has acid resistance, oxidation resistance and a functional group having cation exchange function, as the separator