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:
Jun. 06, 2006
Filed:
Apr. 29, 2004
Masato Kurosaki, Tokyo, JP;
Toshihiko Nishiyama, Tokyo, JP;
Hiroyuki Kamisuki, Tokyo, JP;
Gaku Harada, Tokyo, JP;
Yuuji Nakagawa, Tokyo, JP;
Shinya Yoshida, Tokyo, JP;
Tomoki Nobuta, Tokyo, JP;
Masaya Mitani, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Toshihiko Nishiyama, Tokyo, JP;
Hiroyuki Kamisuki, Tokyo, JP;
Gaku Harada, Tokyo, JP;
Yuuji Nakagawa, Tokyo, JP;
Shinya Yoshida, Tokyo, JP;
Tomoki Nobuta, Tokyo, JP;
Masaya Mitani, Tokyo, JP;
NEC Tokin Corporation, Miyagi, JP;
Abstract
The present invention provides a secondary battery and a capacitor which may provide an excellent high rate and cycle characteristic as well as sufficient electromotive force and capacity. The secondary battery and a capacitor have an active material of an electrode comprising a trimer compound comprising three units of indole or indole derivatives in condensed ring form, wherein the second position and the third position of each unit form a six-membered ring, and a proton which can be utilized as a charge carrier of the trimer compound.