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:
Jul. 24, 2018
Filed:
Jun. 18, 2015
Korea Institute of Industrial Technology, Cheonan-si, KR;
Ho Sung Kim, Gwangju, KR;
Byeong Su Kang, Damyanggun, KR;
Sun Woo Yang, Gwangju, KR;
Min Young Kim, Gwangju, KR;
Chae Hwan Jeong, Gwangju, KR;
KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, Cheonan-si, KR;
Abstract
Disclosed is a method of preparing a cathode electrode material for a secondary battery, including a hydrate precursor preparation step of preparing a manganese phosphate hydrate precursor using a coprecipitation process, a synthetic powder preparation step of preparing a synthetic powder by mixing the manganese phosphate hydrate precursor in a powder form with lithium phosphate and carbon, an oxide material powder preparation step of preparing a lithium manganese phosphate oxide material powder by milling and annealing the synthetic powder, a composite powder preparation step of preparing a composite powder by mixing the lithium manganese phosphate oxide material powder with a LiMnO-based cathode material, and a slurry preparation step of preparing a slurry by mixing the composite powder with a conductor and a binder.