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:
May. 15, 2018
Filed:
Feb. 08, 2012
Applicant:
Jun-ichi Kageura, Tsukuba, JP;
Inventor:
Jun-ichi Kageura, Tsukuba, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/485 (2010.01); H01M 4/131 (2010.01); H01M 4/62 (2006.01); H01M 4/13 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/054 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/485 (2013.01); H01M 4/13 (2013.01); H01M 4/131 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/054 (2013.01); H01M 2004/021 (2013.01);
Abstract
A sodium secondary battery electrode having an collector and an electrode mixture containing an electrode active material, a conductive material, and a binder, and wherein: the electrode active material has a sodium-containing transition metal compound, the conductivity of the electrode mixture is 5.0×10S/cm or more, and the density of the electrode mixture is 1.6 g/cmor more.