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. 17, 2007
Filed:
Feb. 13, 2003
Shinako Kaneko, Sendai, JP;
Toshihiko Nishiyama, Sendai, JP;
Hiroyuki Kamisuki, Sendai, JP;
Masaya Mitani, Sendai, JP;
Masato Kurosaki, Tokyo, JP;
Tomoki Nobuta, Sendai, JP;
Yuji Nakagawa, Tokyo, JP;
Shinako Kaneko, Sendai, JP;
Toshihiko Nishiyama, Sendai, JP;
Hiroyuki Kamisuki, Sendai, JP;
Masaya Mitani, Sendai, JP;
Masato Kurosaki, Tokyo, JP;
Tomoki Nobuta, Sendai, JP;
Yuji Nakagawa, Tokyo, JP;
NEC Tokin Corporation, Miyagi, JP;
Abstract
A secondary battery and capacitor includes as an active material of an electrode a compound having a trimer structure comprising three structure units of one or more kind of indole compounds selected from indole and indole derivatives and a condensed polycyclic structure having a six-membered ring composed of atoms of the second and the third position of the each three structure units, wherein the active material comprises as the compound a first compound having a trimer structure wherein any bonds between the structure units are formed among the second position of one structure unit and the third position of the other structure unit and a second compound having a trimer structure comprising a bond formed among the second position of one structure unit and the second position of the other structure unit, and a proton is utilized as a charge carrier of the first compound and the second compound.