	US 11,876,209 B2
	Pre-lithiated lithium ion positive electrode material, and preparation method therefor and use thereof
Bin Li, Foshan (CN); Dingshan Ruan, Foshan (CN); Linlin Mao, Foshan (CN); Shenghe Tang, Foshan (CN); Xingyu Wu, Foshan (CN); and Changdong Li, Foshan (CN)
Assigned to GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD., Foshan (CN); HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD., Changsha (CN); and HUNAN BRUNP VEHICLES RECYCLING CO. LTD., Changsha (CN)
Appl. No. 18/007,261
Filed by GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD., Foshan (CN); HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD., Changsha (CN); and HUNAN BRUNP VEHICLES RECYCLING CO., LTD., Changsha (CN)
PCT Filed Jul. 29, 2021, PCT No. PCT/CN2021/109104 § 371(c)(1), (2) Date Jan. 27, 2023, PCT Pub. No. WO2022/022605, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 202010753735.7 (CN), filed on Jul. 30, 2020.
Prior Publication US 2023/0327071 A1, Oct. 12, 2023
Int. Cl. H01M 4/04 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/505 (2010.01); H01M 4/02 (2006.01)

CPC H01M 4/0452 (2013.01) [H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01)]

10 Claims

1. A pre-lithiated lithium ion positive electrode material, which has a chemical formula of Li₂O/[A_(3-x)Me_x]_1/3-LiAO₂, wherein A comprises M, and wherein M is at least one of Ni, Co, and Mn; and wherein Me is at least one of Ni, Mn, Al, Mg, Ti, Zr, Y, Mo, W, Na, Ce, Cr, Zn or Fe; and wherein 0<x<0.1; wherein the lithium ion positive electrode material has a shallow surface layer being capable of forming a spinel phase A_(3-x)Me_xstructure.