公开(公告)号：US20150380722A1

公开(公告)日：2015-12-31

申请号：US14650972

申请日：2013-11-12

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime BLANGERO ,  KyuBo KIM ,  Da-In CHOI

IPC: H01M4/131 ,  H01M4/525 ,  C01G51/00 ,  H01M4/36

CPC classification number: H01M4/131 ,  C01G51/42 ,  C01P2002/72 ,  C01P2004/51 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028 ,  H01M2220/30

Abstract: A lithium metal oxide powder for use as a cathode material in a rechargeable battery, consisting of a core material and a surface layer, the core having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li to M molar ratio is between 0.98 and 1.01, and preferably between 0.99 and 1.00, wherein the metal M has the formula M=Co1-aM′a, with 0≦a≦0.05, wherein M′ is either one or more metals of the group consisting of Al, Ga and B; and the surface layer consisting of a mixture of the elements of the core material and inorganic N- and N′-based oxides, wherein N is either one or more metals of the group consisting of Mg, Ti, Fe, Cu, Ca, Ba, Sn, Sb, Na, Zn, and Si; and wherein N′ is either one or more metals of the group consisting of Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, Sc, Ce, Pr, Nd, Gd, Dy, and Er.

Abstract translation: 一种用作可再充电电池中的阴极材料的锂金属氧化物粉末，由芯材和表面层组成，芯具有由元素Li，金属M和氧组成的层状晶体结构，其中Li至M 摩尔比在0.98和1.01之间，优选在0.99和1.00之间，其中金属M具有式M = Co1-aM'a，其中0和nlE; a＆nlE; 0.05，其中M'是一个或多个金属组成的组， 的Al，Ga和B; 由核心材料的元素和无机的N和N'基氧化物的混合物组成的表面层，其中N是Mg，Ti，Fe，Cu，Ca，Ba中的一种或多种金属 ，Sn，Sb，Na，Zn和Si; 并且其中N'是由Y，Zr，Nb，Mo，Ru，Rh，Pd，Ag，Cd，Sc，Ce，Pr，Nd，Gd，Dy和Er组成的组中的一种或多种金属。

公开(公告)号：US12300806B2

公开(公告)日：2025-05-13

申请号：US17007464

申请日：2020-08-31

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Dae-Hyun Kim ,  Jens Paulsen ,  Shinichi Kumakura ,  YuRi Lee ,  Liang Zhu ,  TaeHyeon Yang

IPC: H01M4/131 ,  H01M4/134 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02

Abstract: A bimodal lithium transition metal oxide based powder mixture comprises a first and a second lithium transition metal oxide based powder. The first powder comprises particles of a material A comprising the elements Li, a transition metal based composition M and oxygen. The first powder has a particle size distribution characterized by a (D90−D10)/D50≤1.5. The second powder comprises a material B having single crystal particles, said particles having a general formula Li+bN′−bO2, wherein −0.03≤b≤0.10, and N′=NixM″yCozEd, wherein 0.30≤x≤0.92, 0.05≤y≤0.40, 0.05≤z≤0.40 and 0≤d≤0.10, wherein M″ is one or both of Mn or Al, and E is a dopant different from M″. The first powder has an average particle size D50 between 10 and 40 μm. The second powder has a D50 between 2 and 4.5 μm. The weight ratio of the second powder in the mixture is between 15 and 60 wt %.

公开(公告)号：US11909044B2

公开(公告)日：2024-02-20

申请号：US17287148

申请日：2019-10-23

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime Blangero ,  Liang Zhu ,  YuRi Lee ,  Kris Driesen

IPC: H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  C01G53/00 ,  H01M4/02

CPC classification number: H01M4/525 ,  C01G53/50 ,  H01M4/505 ,  C01P2002/52 ,  C01P2004/84 ,  C01P2006/40 ,  H01M10/0525 ,  H01M2004/028

Abstract: A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M′-hydroxide, -oxyhydroxide or -carbonate, with M′=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70≤1-x-y-z≤0.95 and 0≤z

公开(公告)号：US20240010495A1

公开(公告)日：2024-01-11

申请号：US18030295

申请日：2021-10-06

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Michal TULODZIECKI ,  Jean-Sébastien BRIDEL ,  Sul-Hee MIN

IPC: C01B32/05

CPC classification number: C01B32/05 ,  C01P2002/08 ,  C01P2004/51 ,  C01P2006/12 ,  C01P2006/90

Abstract: A powder of carbonaceous matrix particles with silicon-based sub-particles dispersed therein, wherein the particles have a harmonic mean value of their average Vickers hardness value and their average elastic modulus value, both values of hardness and elasticity being measured by nanoindentation and expressed in MPa, being superior or equal to 7000 MPa and inferior or equal to 20000 MPa.

公开(公告)号：US11811061B2

公开(公告)日：2023-11-07

申请号：US17718515

申请日：2022-04-12

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Maxime Blangero ,  Da-In Choi ,  WooRam Cho ,  JiHye Kim

IPC: H01M4/525 ,  H01M4/505 ,  C01G53/00 ,  H01M10/0525 ,  H01M4/1391 ,  H01M10/052 ,  H01M4/131 ,  H01M4/02

CPC classification number: H01M4/525 ,  C01G53/42 ,  C01G53/50 ,  H01M4/505 ,  H01M10/0525 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1391 ,  H01M10/052 ,  H01M2004/028

Abstract: A powderous positive electrode material for a lithium secondary battery has the general formula Li1+x[Ni1−a−b−cMaM′bM″c]1−xO2−z. M is one or more elements of the group Mn, Zr and Ti. M′ is one or more elements of the group Al, B and Co. M″ is a dopant different from M and M′, and x, a, b and c are expressed in mol with −0.02≤x≤0.02, 0≤c≤0.05, 0.10≤(a+b)≤0.65 and 0≤z≤0.05. The material has an unconstrained cumulative volume particle size distribution value (Γ0(D10P=0)), a cumulative volume particle size distribution value after having been pressed at a pressure of 200 MPa (ΓP(D10P=200)) and a cumulative volume particle size distribution value after having been pressed at a pressure of 300 MPa (ΓP(D10P=300)). When ΓP(D10P=200) is compared to Γ0(D10P=0), the relative increase in value is less than 100%. When ΓP(D10P=300) is compared to Γ0(D10P=0), the relative increase in value is less than 120%.

公开(公告)号：US11688883B2

公开(公告)日：2023-06-27

申请号：US16916223

申请日：2020-06-30

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Xin Xia ,  Maxime Blangero ,  Jing Zhang ,  Wenlong Yang ,  Jens Paulsen

IPC: H01M10/0569 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/36 ,  C01G51/00 ,  H01M4/587 ,  H01M10/0568 ,  H01M4/505 ,  H01M4/02

CPC classification number: H01M10/0569 ,  C01G51/42 ,  H01M4/366 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M4/505 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/0037

Abstract: A lithium secondary cell having an operating voltage ≥4.35V, comprising a cathode comprising a doped LiCoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.

公开(公告)号：US20220271275A1

公开(公告)日：2022-08-25

申请号：US17623694

申请日：2020-07-02

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime BLANGERO ,  KyungSub JUNG ,  Bin-Na YUN ,  Olesia KARAKULINA

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/505

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, a metal M′ and oxygen, wherein the metal M′ has a formula: M′=(Niz(Ni0.5Mn0.5)yCox)1-kAk, wherein A is a dopant, 0.60≤z≤0.86, 0.05≤y≤0.20, 0.05≤x≤0.20, x+y+z+k=1, and k≤0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 μm to 15 μm and a surface layer thickness ranging from 10 nm to 200 nm,
said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and aluminum in a content superior or equal to 0.05 wt % and inferior or equal to 0.15 wt % with respect to the total weight of the positive electrode active material powder, said surface layer of lithium transition metal-based oxide particles comprising a LiAlO2 phase and an LiM″1-aAlaO2 phase with M″ comprising: Ni, Mn, and Co, said LiAlO2 phase being present in the surface layer in a content superior or equal to 0.10 at % and inferior or equal to 0.30 at % with respect to the total atomic content of M′ in the positive electrode active material powder, said LiM″1-aAlaO2 phase being present in the surface layer in a content inferior to 0.14 at % with respect to the total atomic content of M′ in the positive electrode active material powder.

公开(公告)号：US20220255067A1

公开(公告)日：2022-08-11

申请号：US17623676

申请日：2020-07-02

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime BLANGERO ,  KyungSub JUNG ,  Bin-Na YUN ,  Olesia KARAKULINA

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  C01G53/00

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, M′ and oxygen, wherein M′ has a formula: M′=NizMnyCoxAk, wherein A is a dopant, 0.60≤z≤0.86, 0.05≤x≤0.20, x+y+z+k=1, and k≤0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 μm to 15 μm and a surface layer thickness ranging from 10 nm to 200 nm,
said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and sulfate ion (SO42−) in a content superior or equal to 4500 ppm and inferior or equal to 11250 ppm.

公开(公告)号：US20200335824A1

公开(公告)日：2020-10-22

申请号：US16916223

申请日：2020-06-30

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Xin XIA ,  Maxime BLANGERO ,  Jing ZHANG ,  Wenlong YANG ,  Jens PAULSEN

IPC: H01M10/0569 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/36 ,  C01G51/00 ,  H01M4/587 ,  H01M10/0568

Abstract: A lithium secondary cell having an operating voltage ≥4.35V, comprising a cathode comprising a doped LiCoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.

公开(公告)号：US10727475B2

公开(公告)日：2020-07-28

申请号：US15670299

申请日：2017-08-07

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Liang Zhu ,  Randy DePalma ,  Sung Jun Cho

IPC: H01M4/52 ,  H01M4/131 ,  H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/88 ,  H01M10/0525 ,  H01M10/052 ,  C01G51/00 ,  G01N23/20

Abstract: A particulate precursor compound for manufacturing a lithium transition metal oxide powder for use as an active positive electrode material in lithium-ion batteries, the precursor having the general formula NixMnyCozAaOv(OH)w, wherein 0.15 0.7, and the XRD pattern being free of peaks belonging to either one or both of a spinel and an oxyhydroxide compound.