Publication number: 20240243276
Abstract: The present invention provides a positive electrode active material for lithium-ion rechargeable batteries, wherein the positive electrode active material comprises Li, M?, and oxygen, wherein M? comprises: —Ni in a content x between 60.0 mol % and 95.0 mol %, relative to M?; —Co in a content y, wherein 0)<y<40.0 mol %, relative to M?: —Mn in a content z, wherein 0)<z<70.0 mol %, relative to M?: -D in a content a, wherein 0<a<2.0 mol %, relative to M?, wherein D comprises an element other than Li, O, Ni, Co, Mn, F, W and B; —F in a content b, wherein b>0, preferably between 0.1 mol % and 4.0 mol %, relative to M?; —W in a content c between 0.1 mol % and 4.0 mol %, relative to M?; —B in a content e, wherein 0<e<4.0 mol %, relative to M?; and, -wherein x, y, z, a, e and c are measured by Inductively Coupled Plasma—Optical Emission Spectrometry (ICP-OES), -wherein b is measured by Ion chromatography (IC), -wherein x++y+z+a+b+c+e is 100.
Type:
Application
Filed:
May 27, 2022
Publication date:
July 18, 2024
Inventors:
Bin-Na YUN, KyungSub JUNG, Ji-Yeong KWON, Woon-Hyoung RYU, SeungHwan LEE, Maxime BLANGERO
Publication number: 20240243277
Abstract: The present invention provides a positive electrode active material for lithium-ion rechargeable batteries, wherein the positive electrode active material comprises Li, M?, and oxygen, wherein M? comprises: Ni in a content x between 60.0 mol % and 95.0 mol %, relative to M?; Co in a content y, wherein 0?y?40.0 mol %, relative to M?; Mn in a content z, wherein 0?z?70.0 mol %, relative to M?; D in a content a, wherein 0?a?2.0 mol %, relative to M?, wherein D comprises an element other than Li, O, Ni, Co, Mn, F, W and S; F in a content b, wherein b>0, preferably b is between 0.1 mol % and 4.0 mol %, relative to M?; W in a content c, wherein c>0, preferably 0.01?c?4.0 mol %, relative to M?; S in a content d, wherein d>0, preferably between 0.01 mol % and 3.0 mol %, relative to M?; and, B in a content e, wherein 0?e?4.
Type:
Application
Filed:
May 27, 2022
Publication date:
July 18, 2024
Inventors:
Bin-Na YUN, KyungSub JUNG, Ji-Yeong KWON, Woon-Hyoung RYU, SeungHwan LEE, Maxime BLANGERO
Publication number: 20240097122
Abstract: The present invention provides a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material comprises Li, M?, S and O, wherein M? consists of: Ni in a content x between 60.0 mol % and 95.0 mol %, relative to M? Co in a content y between 0.0 mol % and 25.0 mol %, relative to M?, Mn in a content z between 0.0 mol % and 25.0 mol %, relative to M?, W in a content a of 0.05 mol % or more, relative to M? D in a content b between 0.0 mol % and 2.0 mol %, relative to M?, wherein D comprises at least one element of the group consisting of: Al, B, Ba, Ca, Cr, F, Fe, Mg, Mo, Nb, Si, Sr, Ti, Y, V, Zn and Zr, and, wherein x, y, z, a, and b are measured by ICP, wherein x+y+z+a+b is 100.0 mol %, wherein the positive electrode active material comprises soluble sulfur in a content of 0.30 mol % or more, relative to M?.
Type:
Application
Filed:
October 26, 2021
Publication date:
March 21, 2024
Inventors:
KyungSub JUNG, Maxime BLANGERO, Olesia KARAKULINA, Woon-Hyoung RYU, Ji-Yeong KWON