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. 09, 2017
Filed:
Jul. 17, 2013
Korea Institute of Science and Technology, Seoul, KR;
Hyung Sun Kim, Seoul, KR;
Byung Won Cho, Seoul, KR;
Hwa Young Lee, Seoul, KR;
Eun Jung Shin, Gyeonggi-Do, KR;
Soo Kim, Daejeon, KR;
Kyung Yoon Chung, Seoul, KR;
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul, KR;
Abstract
The present invention relates to a method for recycling LiFePO, which is an olivine-based cathode material for a lithium secondary battery. The present invention is characterized in that a cathode material including LiFePOis synthesized using, as precursors, amorphous FePO.XHO and crystalline FePO.2HO (metastrengite) obtained by chemically treating LiFePOas an olivine-based cathode material for a lithium secondary battery, which is produced from a waste battery. Since a cathode fabricated from the LiFePOcathode material synthesized according to the present invention does not deteriorate the capacity, output characteristics, cycle efficiency and performance of the secondary battery and the cathode material of the lithium secondary battery may be recycled, the secondary battery is economically efficient.