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. 12, 2018
Filed:
Dec. 05, 2013
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Shuichi Suzuki, Tokyo, JP;
Etsuko Nishimura, Tokyo, JP;
Makoto Okai, Tokyo, JP;
Toshio Abe, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/136 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 2/16 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/1397 (2010.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/36 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/136 (2013.01); H01M 2/162 (2013.01); H01M 2/1653 (2013.01); H01M 4/043 (2013.01); H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/1397 (2013.01); H01M 4/382 (2013.01); H01M 4/386 (2013.01); H01M 4/48 (2013.01); H01M 4/58 (2013.01); H01M 4/622 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 4/366 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); H01M 2300/004 (2013.01);
Abstract
To provide a negative electrode material having a high initial capacity and a long charge and discharge cycle life A negative electrode material according to the present invention contains a particle of a negative electrode active material that occludes and releases lithium ions and a carbon fiber, wherein the negative electrode active material occludes lithium by forming an alloy with the lithium, a surface of the negative electrode active material particle is coated with carbon, and the carbon fiber is bonded to the surface of the carbon via an adhesive resin.