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:
Nov. 04, 2014
Filed:
May. 24, 2011
Min-han Kim, Yongin-si, KR;
Do-hyung Park, Yongin-si, KR;
Seon-young Kwon, Yongin-si, KR;
Yu-mi Song, Yongin-si, KR;
Ji-hyun Kim, Yongin-si, KR;
Kyoung-hyun Kim, Yongin-si, KR;
Min-Han Kim, Yongin-si, KR;
Do-Hyung Park, Yongin-si, KR;
Seon-Young Kwon, Yongin-si, KR;
Yu-Mi Song, Yongin-si, KR;
Ji-Hyun Kim, Yongin-si, KR;
Kyoung-Hyun Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile