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. 04, 2012
Filed:
Apr. 13, 2012
Xiang-ming He, Beijing, CN;
Jian-jun LI, Beijing, CN;
Li-chun Zhang, Beijing, CN;
Jian-guo Ren, Beijing, CN;
Jian Gao, Beijing, CN;
Wei-hua Pu, Beijing, CN;
Xiang-Ming He, Beijing, CN;
Jian-Jun Li, Beijing, CN;
Li-Chun Zhang, Beijing, CN;
Jian-Guo Ren, Beijing, CN;
Jian Gao, Beijing, CN;
Wei-Hua Pu, Beijing, CN;
Tsinghua University, Beijing, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is AlMPO, AlM(PO), or a combination thereof. M represents at least one of Cr, Zn, Mg, Zr, Mo, V, Nb, or Ta. A valence of M is represented by k, in which 0<x<1, 0<y<1, and 3x+ky=3. In addition, a molar ratio of an aluminum element, an M element, and a phosphorous element in AlMPOor AlM(PO)is set by (Mol+Mol):Molequal to about 1:2.5 to about 1:4, Molis the amount of substance of the aluminum element, Molis the amount of substance of the M element, and Molis the amount of substance of the phosphorous element. A lithium ion battery includes the electrode composite material.