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:
Jan. 02, 2018
Filed:
Jul. 03, 2014
GM Global Technology Operations Llc, Detroit, MI (US);
Qiangfeng Xiao, Troy, MI (US);
Mei Cai, Bloomfield Hills, MI (US);
Li Yang, Troy, MI (US);
Fang Dai, Sterling Heights, MI (US);
Meng Jiang, Rochester Hills, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A negative electrode material includes an active material. The active material includes a silicon core selected from the group consisting of Si, SiO, SiO(0<x<2), a silicon alloy, and a combination thereof. The active material also includes a hard carbon coating formed on the silicon core. The negative electrode material further includes a non-fluorinated binder. The negative electrode material also includes a conductive filler. The loading of the active material in the negative electrode material is greater than 2 mg/cm.