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:
May. 22, 2012
Filed:
Feb. 25, 2011
Separator of lithium ion battery, method for making the same, and lithium ion battery using the same
Applicants:
Xiang-ming He, Beijing, CN;
Wei-hua Pu, Beijing, CN;
Li-chun Zhang, Beijing, CN;
Jian-guo Ren, Beijing, CN;
Jian-jun LI, Beijing, CN;
Jian Gao, Beijing, CN;
Inventors:
Xiang-Ming He, Beijing, CN;
Wei-Hua Pu, Beijing, CN;
Li-Chun Zhang, Beijing, CN;
Jian-Guo Ren, Beijing, CN;
Jian-Jun Li, 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 2/14 (2006.01); H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separator of a battery includes a porous membrane and a modifier layer disposed on a surface of the porous membrane, wherein a material of the modifier layer is a dried mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide in a liquid phase solvent.