公开(公告)号：US12009519B2

公开(公告)日：2024-06-11

申请号：US17482684

申请日：2021-09-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joonhee Kim ,  Sangbok Ma ,  Jonghoon Ka

IPC: H01M4/525 ,  H01M4/04 ,  H01M4/36 ,  H01M10/0562

CPC classification number: H01M4/525 ,  H01M4/0471 ,  H01M4/366 ,  H01M10/0562

Abstract: A cathode active material includes a compound represented by Formula 1:

Lix(Co1−yMy)z(P2O7)4  Formula 1



wherein in Formula 1, 5≤x≤7, 0.01≤y≤0.1, and 4≤z≤6, and M is a Group 3 to 11 element belonging to 5th and 6th periods in the Periodic Table of the elements, or a combination thereof.

公开(公告)号：US20220407071A1

公开(公告)日：2022-12-22

申请号：US17546221

申请日：2021-12-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Ma ,  Joonhee Kim ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M4/58 ,  H01M10/0562 ,  H01M4/04 ,  H01M4/36

Abstract: A positive electrode active material includes a lithium-transition metal composite phosphate including a first crystalline phase having a composition represented by Formula 1 and having an olivine structure, and a second crystalline phase having a composition represented by Formula 2 and having a pyrophosphate-containing structure, wherein the second crystalline phase is in an amount of greater than 0 mole percent and not greater than 50 mole percent with respect to a total number of moles of the first crystalline phase and the second crystalline phase, a positive electrode, a secondary battery: LixM1yPO4   Formula 1 LiaM2b(P2O7)4   Formula 2 In Formulas 1 and 2, 0.9≤x≤1.1, 0.9≤y≤1.1, 5.5≤a≤6.5, and 4.8≤b≤5.2, and M1 and M2 are each independently an element from Groups 3 to 11 in the 4th period of the Periodic Table of the Elements, or a combination thereof.

公开(公告)号：US20220336803A1

公开(公告)日：2022-10-20

申请号：US17482684

申请日：2021-09-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joonhee Kim ,  Sangbok Ma ,  Jonghoon Ka

IPC: H01M4/525 ,  H01M10/0562 ,  H01M4/36 ,  H01M4/04

Abstract: A cathode active material includes a compound represented by Formula 1: Lix(Co1-yMy)z(P2O7)4  Formula 1 wherein in Formula 1, 5≤x≤7, 0.01≤y≤0.1, and 4≤z≤6, and M is a Group 3 to 11 element belonging to 5th and 6th periods in the Periodic Table of the elements, or a combination thereof.

公开(公告)号：US12244013B2

公开(公告)日：2025-03-04

申请号：US17570791

申请日：2022-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Ma ,  Joonhee Kim ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M4/58 ,  C01B25/45 ,  H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M4/62

Abstract: A composite cathode active material represented by Lix(Co1−wM1w)yPO4 (Formula 1) having an olivine structure, wherein a unit-cell volume of the composite cathode active material is in a range of about 283 Å3 to about 284.6 Å3. A cathode including the composite cathode active material, and a secondary battery including the composite cathode active material are also disclosed.
In Formula 1, M1 includes i) at least one of Sc, Ti, V, Cr, Cu, or Zn, and optionally at least one of Fe or Ni, and 0.9≤x≤1.1, 0.9≤y≤1.1, and 0

公开(公告)号：US20240332526A1

公开(公告)日：2024-10-03

申请号：US18739751

申请日：2024-06-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Ma ,  Joonhee Kim ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M4/58 ,  H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M10/0562

CPC classification number: H01M4/5825 ,  H01M4/0471 ,  H01M4/366 ,  H01M10/0562 ,  H01M2004/028 ,  H01M2300/0071

Abstract: A positive electrode active material includes a lithium-transition metal composite phosphate including a first crystalline phase having a composition represented by Formula 1 and having an olivine structure, and a second crystalline phase having a composition represented by Formula 2 and having a pyrophosphate-containing structure, wherein the second crystalline phase is in an amount of greater than 0 mole percent and not greater than 50 mole percent with respect to a total number of moles of the first crystalline phase and the second crystalline phase, a positive electrode, a secondary battery: LixM1yPO4 (Formula 1), LiaM2b(P2O7)4 (Formula 2), where 0.9≤x≤1.1, 0.9≤y≤1.1, 5.5≤a≤6.5, and 4.8≤b≤5.2, and M1 and M2 are each independently an element from Groups 3 to 11 in the 4th period of the Periodic Table of the Elements, or a combination thereof.

公开(公告)号：US20240304806A1

公开(公告)日：2024-09-12

申请号：US18663338

申请日：2024-05-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joonhee Kim ,  Sangbok Ma ,  Jonghoon Ka

IPC: H01M4/525 ,  H01M4/04 ,  H01M4/36 ,  H01M10/0562

CPC classification number: H01M4/525 ,  H01M4/0471 ,  H01M4/366 ,  H01M10/0562

Abstract: A cathode active material includes a compound represented by Formula 1:


Lix(Co1−yMy)z(P2O7)4  Formula 1



wherein in Formula 1, 5≤x≤7, 0.01≤y≤0.1, and 4≤z≤6, and M is a Group 3 to 11 element belonging to 5th and 6th periods in the Periodic Table of the elements, or a combination thereof.

公开(公告)号：US20240170717A1

公开(公告)日：2024-05-23

申请号：US18388669

申请日：2023-11-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heungchan Lee ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M10/0562 ,  H01M4/66

CPC classification number: H01M10/0562 ,  H01M4/667 ,  H01M2220/30

Abstract: A multi-layer ceramic battery including a main region in which charging and discharging is performed, a peripheral region positioned around the main region, and a plurality of outer current collector layers disposed on a side surface of the peripheral region, wherein each outer current collector layer of the plurality of outer current collector layers is spaced apart from one other, wherein the peripheral region includes a stack, which includes at least three side surfaces, is in contact with the outer current collector layers, and is connected to the main region, and the plurality of outer current collector layers is disposed on the at least three side surfaces.

公开(公告)号：US20230025348A1

公开(公告)日：2023-01-26

申请号：US17570791

申请日：2022-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Ma ,  Joonhee Kim ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M4/58 ,  H01M4/36 ,  H01M4/04 ,  H01M4/62 ,  C01B25/45

Abstract: A composite cathode active material represented by Lix(Co1−wM1w)yPO4 (Formula 1) having an olivine structure, wherein a unit-cell volume of the composite cathode active material is in a range of about 283 Å3 to about 284.6 Å3. A cathode including the composite cathode active material, and a secondary battery including the composite cathode active material are also disclosed.
In Formula 1, M1 includes i) at least one of Sc, Ti, V, Cr, Cu, or Zn, and optionally at least one of Fe or Ni, and 0.9≤x≤1.1, 0.9≤y≤1.1, and 0

公开(公告)号：US12046752B2

公开(公告)日：2024-07-23

申请号：US17546221

申请日：2021-12-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Ma ,  Joonhee Kim ,  Jonghoon Ka ,  Sungjin Lim

IPC: H01M4/58 ,  H01M4/04 ,  H01M4/36 ,  H01M10/0562 ,  H01M4/02

CPC classification number: H01M4/5825 ,  H01M4/0471 ,  H01M4/366 ,  H01M10/0562 ,  H01M2004/028 ,  H01M2300/0071

Abstract: A positive electrode active material includes a lithium-transition metal composite phosphate including a first crystalline phase having a composition represented by Formula 1 and having an olivine structure, and a second crystalline phase having a composition represented by Formula 2 and having a pyrophosphate-containing structure, wherein the second crystalline phase is in an amount of greater than 0 mole percent and not greater than 50 mole percent with respect to a total number of moles of the first crystalline phase and the second crystalline phase, a positive electrode, a secondary battery:

LixM1yPO4  Formula 1

LiaM2b(P2O7)4  Formula 2

In Formulas 1 and 2, 0.9≤x≤1.1, 0.9≤y≤1.1, 5.5≤a≤6.5, and 4.8≤b≤5.2, and M1 and M2 are each independently an element from Groups 3 to 11 in the 4th period of the Periodic Table of the Elements, or a combination thereof.

公开(公告)号：US20240222694A1

公开(公告)日：2024-07-04

申请号：US18395936

申请日：2023-12-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heungchan Lee ,  Taeyoung Kim ,  Jonghoon Ka ,  Jeongkuk Shon ,  Sungjin Lim

IPC: H01M10/0562 ,  H01M4/75 ,  H01M10/6551 ,  H01M10/6555 ,  H01M50/434

CPC classification number: H01M10/0562 ,  H01M4/75 ,  H01M10/6551 ,  H01M10/6555 ,  H01M50/434

Abstract: A multilayer ceramic battery including a cell stack including a plurality of unit cells, a first external current collector layer disposed on a first side surface of the cell stack, a second external current collector layer disposed on a second side surface of the cell stack, a case surrounding the cell stack, the first external current collector layer, and second external current collector, and a heat dissipation layer configured to dissipate heat generated from the cell stack to the outside, wherein the heat dissipation layer is disposed in a region surrounded by the case.