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:
Dec. 13, 2022
Filed:
Jan. 24, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Eiko Hibino, Kanagawa, JP;
Hiromichi Kuriyama, Kanagawa, JP;
Satoshi Nakajima, Tokyo, JP;
Shigeo Takeuchi, Kanagawa, JP;
Toru Ushirogochi, Kanagawa, JP;
Hideo Yanagita, Tokyo, JP;
Keigo Takauji, Kanagawa, JP;
Miku Ohkimoto, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0402 (2013.01); H01M 4/0471 (2013.01); H01M 4/62 (2013.01); H01M 50/46 (2021.01); H01M 2004/021 (2013.01);
Abstract
In accordance with some embodiments of the present invention, an electrode was provided. The electrode includes an electrode composite layer and a porous insulating layer on the electrode composite layer. The electrode composite layer contains an active material. A surface roughness Rz of the electrode composite layer is smaller than an average film thickness of the porous insulating layer.