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. 30, 2015
Filed:
Dec. 09, 2011
Takashi Mukai, Osaka, JP;
Taichi Sakamoto, Osaka, JP;
Tetsuo Sakai, Osaka, JP;
Kunihiko Tani, Osaka, JP;
Naoto Yamashita, Osaka, JP;
Koichiro Ikeda, Osaka, JP;
Takashi Mukai, Osaka, JP;
Taichi Sakamoto, Osaka, JP;
Tetsuo Sakai, Osaka, JP;
Kunihiko Tani, Osaka, JP;
Naoto Yamashita, Osaka, JP;
Koichiro Ikeda, Osaka, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Isuzu Glass Company, Ltd., Osaka, JP;
Abstract
[Object] The object is to provide a negative electrode material for a lithium secondary battery, wherein a sulfide-based negative electrode with water-resistant properties can exert excellent cycle characteristics and high output performance while maintaining a high discharge capacity and there is no precipitation of lithium dendrites during charge at low temperature. [Means for Solving Problems] A negative electrode material for a lithium secondary battery comprising sulfur and sulfide glass including the following components (i) and (ii): (i) at least one or more elements selected from a group consisting of Sb, As, Bi, Ge, Si, Cu, Zn, Pd, In and Zr; and (ii) at least one or more elements selected from a group consisting of Se, Te, Ga, Sn, Pb, Cd, Al, Fe, Mg, Ca, Co, Ag, Sr, P and Ba,