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. 20, 2014
Filed:
Jul. 31, 2012
Qian Wang, Hefei, CN;
Dajun Liu, Hefei, CN;
Xiaoming Xu, Hefei, CN;
Long Zhang, Hefei, CN;
Yu Zhang, Hefei, CN;
Qian Wang, Hefei, CN;
Dajun Liu, Hefei, CN;
Xiaoming Xu, Hefei, CN;
Long Zhang, Hefei, CN;
Yu Zhang, Hefei, CN;
Hefei Guoxuan High-Tech Power Energy Co., Ltd., Hefei, CN;
Abstract
A cathode active material represented by the formula, LiFePO/C, wherein 0.9≦x<1, preferably 0.96≦x<1, which was obtained from carbon pre-coated off-stoichiometric FePO, wherein 0.9≦x<1, preferably 0.96≦x<1. The materials may be double-carbon-coated particles obtained by carbon coating a mixture of a lithium component and FePO/C sub-particles, wherein the FePO/C sub-particles may be obtained by carbon coating FePO.