公开(公告)号：US20240030408A1

公开(公告)日：2024-01-25

申请号：US18265599

申请日：2021-12-17

Applicant: UMICORE

Inventor： Jens Martin PAULSEN ,  Shinichi KUMAKURA ,  Liang ZHU ,  JiHye KIM ,  JiHoon KANG ,  HyeJeong YANG ,  YuRi LEE

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/485

CPC classification number: H01M4/364 ,  H01M4/525 ,  H01M4/485 ,  H01M2004/028

Abstract: A positive electrode active material for solid state rechargeable batteries, whereby the positive electrode active material is a powder which comprises Li, NI, and 0, wherein M′ consists of Co in a content x superior or equal to 2.0 mol % and inferior or equal to 35.0 mol %, Mn in a content y superior or equal to 0 mol % and inferior or equal to 35.0 mol %, A in a content m superior or equal to 0 mol % and inferior or equal to 5 mol %, whereby A comprises at least one element of the group consisting of: Al, Ba, B, Mg, Nb, Sr, Ti, W, S, Ca, Cr, Zn, V, Y, Si, and Zr, Ni in a content of 100-x-y-m mol %, a first compound which comprises Li2WO4 and a second compound which comprises WO3, whereby the powder is a single-crystalline powder, whereby the positive electrode active material comprises Li in a molar ratio of Li/(Co+Mn+Ni+A) of at least 0.9 and at most 1.1, whereby the positive electrode active material has a tap density which is at least 1.0 gr/cm3 and at most 3.0 g/cm3.

公开(公告)号：US20240025762A1

公开(公告)日：2024-01-25

申请号：US18265496

申请日：2021-12-14

Applicant: UMICORE

Inventor： JiHye KIM ,  Jens Martin PAULSEN ,  JeongYim SHIN ,  Maxime BLANGERO

IPC: C01G53/00 ,  H01M10/052

CPC classification number: C01G53/50 ,  H01M10/052 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/82

Abstract: A positive electrode active material for batteries which comprises Li, M′, and oxygen, wherein M′ comprises: Ni in a content a between 60.0 mol % and 75.0 mol %; Co in a content x between 0.0 mol % and 20.0 mol %; Mn in a content y between 0.0 mol % and 35.0 mol %, a dopant D in a content z between 0.0 mol % and 2.0 mol %, Al, B and W in a total content c between 0.1 mol % and 5.0 mol %, wherein the active material has an Al content AlA, a B content BA, and a W content WA, wherein a, x, y, z, c, AlA, BA and WA are measured by ICP, wherein AlA, BA and WA, wherein the positive electrode active material, when measured by XPS analysis, shows an average Al fraction AlB, an average B fraction BB and an average W fraction WB, wherein AlB/AlA, BB/BA, and WB/WA are all larger than 1.0, and wherein the positive electrode active material is a single crystalline powder.

公开(公告)号：US20230339771A1

公开(公告)日：2023-10-26

申请号：US17904309

申请日：2021-02-17

Applicant: UMICORE

Inventor： KwonSun SUN ,  SeungHwan LEE ,  Maxime BLANGERO ,  Bernard TONNON ,  Liang ZHU ,  JiHye KIM

IPC: C01G53/00 ,  H01M10/0525

CPC classification number: C01G53/006 ,  H01M10/0525 ,  C01P2006/40 ,  C01P2004/61 ,  C01P2006/80

Abstract: A powderous positive electrode active material for lithium ion secondary battery having particles comprising Li, M, and O, said particles having a Li/M molar ratio superior or equal to 0.98 and inferior or equal to 1.10, said powderous positive electrode active material being characterized in that said powder has a flow index of at least 0.10 and at most 0.30 when said powder has a D50 of at least 4.0 μm and of at most 6.0 μm or said powder has a flow index of at least 0.10 and of at most 0.20 when said powder has a D50 superior to 6.0 μm and of at most 10.0 μm, wherein the D50 is the median particle size of the powder.

公开(公告)号：US20240030423A1

公开(公告)日：2024-01-25

申请号：US18265630

申请日：2021-12-17

Applicant: UMICORE

Inventor： Jens Martin PAULSEN ,  Shinichi KUMAKURA ,  Liang ZHU ,  JiHye KIM ,  JiHoon KANG ,  HyeJeong YANG ,  YuRi LEE

IPC: H01M4/40 ,  H01M4/485 ,  H01M10/0525

CPC classification number: H01M4/405 ,  H01M4/485 ,  H01M10/0525 ,  H01M2004/028

Abstract: A positive electrode active material for lithium-ion liquid electrolyte rechargeable batteries, whereby the positive electrode active material is a powder which comprises Li, M′, and O, wherein M′ consists of Co in a content x superior or equal to 2.0 mol % and inferior or equal to 35.0 mol %, Mn in a content y superior or equal to 0 mol % and inferior or equal to 35.0 mol %, A in a content m superior or equal to 0 mol % and inferior or equal to 5 mol %, whereby A comprises at least one element of the group consisting of: Al, Ba, B, Mg, Nb, Sr, Ti, W, S, Ca, Cr, Zn, V, Y, Si, and Zr, Ni in a content of 100-x-y-m mol %, a first compound which comprises Li2WO4 and a second compound which comprises WO3, whereby the powder is a single-crystalline powder, whereby the positive electrode active material comprises Li in a molar ratio of Li/(Co+Mn+Ni+A) of at least 0.9 and at most 1.1.

公开(公告)号：US20240038982A1

公开(公告)日：2024-02-01

申请号：US18265527

申请日：2021-12-14

Applicant: UMICORE

Inventor： JiHye KIM ,  Jens Martin PAULSEN

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

CPC classification number: H01M4/525 ,  H01M4/505 ,  C01G53/006 ,  H01M2004/021

Abstract: A positive electrode active material for batteries which comprises Li, M′, and oxygen, wherein M′ comprises: Ni in a content a between 70.0 mol % and 95.0 mol %; Co in a content x between 0.0 mol % and 25.0 mol %; Mn in a content y between 0.0 mol % and 25.0 mol %, a dopant D in a content z between 0.0 mol % and 2.0 mol %, Al and B in a total content c between 0.1 mol % and 5.0 mol %, wherein the active material has an Al content AlA and a B content BA, wherein a, x, y, z, c, AlA and BA are measured by ICP, wherein AlA, and BA are expressed as molar fractions compared to the sum of a and x and y, wherein the positive electrode active material, when measured by XPS analysis, shows an average Al fraction AlB and an average B fraction BB, wherein the ratio AlB/AlA>1.0, wherein the ratio BB/BA>1.0, and wherein the positive electrode active material is a single-crystalline powder.

公开(公告)号：US20210234200A1

公开(公告)日：2021-07-29

申请号：US17051294

申请日：2019-05-02

Applicant: UMICORE ,  SOLVAY S.A.

Inventor： JiHye KIM ,  Jens PAULSEN ,  AReum PARK ,  Dae-Hyun KIM ,  Hee-Sung GIL ,  Jean-Sébastien BRIDEL ,  Ji-Hye WON ,  Moon-Hyung CHOI ,  Mi-Soon OH ,  Hyuncheol LEE ,  Lawrence Alan HOUGH ,  Hae-Young KIM

IPC: H01M10/0568 ,  H01M10/0525 ,  H01M10/0569

Abstract: A liquid electrolyte lithium secondary battery cell comprising: —a positive electrode material comprising a lithium transition metal-based oxide powder having a general formula Li1+a ((Niz (Ni0.5Mn0.5)y Cox)1-k Ak)1-a O2, wherein A is a dopant, −0.025≤a≤0.025, 0.18≤x≤0.22, 0.42≤z≤0.52, 1.075