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:
Aug. 20, 2019
Filed:
Mar. 20, 2015
Kureha Corporation, Tokyo, JP;
Shota Kobayashi, Tokyo, JP;
Takanori Baba, Tokyo, JP;
Hiroshi Imoto, Tokyo, JP;
Mayu Komatsu, Tokyo, JP;
Naohiro Sonobe, Tokyo, JP;
KUREHA CORPORATION, Tokyo, JP;
Abstract
An object of the present invention is to provide a carbonaceous molded article for electrodes having high charge/discharge capacity, high initial charge/discharge efficiency, and excellent cycle life without a polymeric binder. The above object can be achieved by the carbonaceous molded article for electrodes of the present invention comprising a carbon fiber nonwoven fabric, the article having a thickness of not greater than 1 mm, an atomic ratio (H/C) of hydrogen atoms and carbon atoms according to elemental analysis of not greater than 0.1, a porosity determined from a bulk density and a butanol true density of the molded article of 25 to 80%, and a volatile content of not greater than 5.0 wt %.