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:
Oct. 04, 2016
Filed:
Feb. 19, 2010
Sanghoon Choy, Daejeon, KR;
Yong Tae Lee, Jeonju-Si, KR;
Hong-kyu Park, Daejeon, KR;
Soo Min Park, Daejeon, KR;
Ji Eun Lee, Seoul, KR;
Sanghoon Choy, Daejeon, KR;
Yong Tae Lee, Jeonju-Si, KR;
Hong-Kyu Park, Daejeon, KR;
Soo Min Park, Daejeon, KR;
Ji Eun Lee, Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Provided is an olivine-type lithium iron phosphate composed of secondary particles having a mean particle diameter (D50) of 5 to 100 μm, formed by aggregation of primary particles having a mean particle diameter (D50) of 50 to 550 nm, wherein the primary and secondary particles have a composition represented by Formula I below and the secondary particles have a porosity of 15 to 40%: LiFeM(PO)X(I) wherein M is selected from Al, Mg, Ni, Co, Mn, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn, Y and combinations thereof; X is selected from F, S, N and combinations thereof; −0.5≦a≦+0.5; 0≦x≦0.5; and 0≦b≦0.1.