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:
Nov. 07, 1989
Filed:
Sep. 20, 1984
Applicant:
Inventors:
Shigeoki Nishimura, Katsuta, JP;
Kazunori Fujita, Toukai, JP;
Hiroyuki Sugimoto, Hitachi, JP;
Atsuko Tohyama, Hitachi, JP;
Noboru Ebato, Hitachi, JP;
Shinpei Matsuda, Tohkai, JP;
Assignees:
Hitachi Ltd., Tokyo, JP;
Showa Denka K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429198 ; 429213 ;
Abstract
A secondary cell comprises opposed positive and negative electrodes of polymers, each having conjugated double bonds, such as polyacetylene, poly-phenylene, polythienylene and polypyrrole, and an electrolyte solution comprising an electrolyte dissolved in a nitrile compound and being interposed between the two electrodes.