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.

Date of Patent:
Nov. 20, 2012

Filed:

Apr. 13, 2012
Applicants:

Xiang-ming He, Beijing, CN;

Jian-jun LI, Beijing, CN;

Li-chun Zhang, Beijing, CN;

Wei-hua Pu, Beijing, CN;

Jian Gao, Beijing, CN;

Inventors:

Xiang-Ming He, Beijing, CN;

Jian-Jun Li, Beijing, CN;

Li-Chun Zhang, Beijing, CN;

Wei-Hua Pu, Beijing, CN;

Jian Gao, Beijing, CN;

Assignees:

Tsinghua University, Beijing, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 4/485 (2010.01); H01M 4/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of AlMPOand AlM(PO), M represents at least one chemical element of Cr, Zn, Mg, Zr, Mo, V, Nb, and Ta, and a valence of M is represented by k, wherein 0<x<1, 0<y<1, and 3x+ky=3.


Find Patent Forward Citations

Loading…