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:
Sep. 22, 2026
Filed:
Dec. 23, 2022
Lg Energy Solution, Ltd., Seoul, KR;
O Jong Kwon, Daejeon, KR;
Jung Hun Choi, Daejeon, KR;
Ju Ryoun Kim, Daejeon, KR;
Yong Hee Kang, Daejeon, KR;
Ji Eun Kim, Daejeon, KR;
Min Chul Jang, Daejeon, KR;
Ki Woong Kim, Daejeon, KR;
In Gu An, Daejeon, KR;
Jeong Geun Jo, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A positive electrode includes a positive electrode active material layer, and the positive electrode active material layer includes a first lithium iron phosphate and a second lithium iron phosphate as a positive electrode active material, the first lithium iron phosphate has an average particle diameter Dgrater than that of the second lithium iron phosphate and at least one facet, and when the cross section of the positive electrode is observed with a scanning electron microscope (SEM), the cross section of the first lithium iron phosphate has at least one side having a length of 2 μm or more.