公开(公告)号：US20240258533A1

公开(公告)日：2024-08-01

申请号：US18493459

申请日：2023-10-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myungjin Lee ,  Jirae Kim ,  Jeongkuk Shon ,  Yongsu Kim ,  Jusik Kim ,  Changhoon Jung

IPC: H01M4/80 ,  H01M4/02 ,  H01M4/587 ,  H01M4/66

CPC classification number: H01M4/808 ,  H01M4/587 ,  H01M4/661 ,  H01M2004/021 ,  H01M2004/027

Abstract: An anode for a solid-state secondary battery, the anode including: a three-dimensional porous current collector including a plurality of pores having a lithiophilic property, and having a porosity of about 10 percent to about 99 percent, based on a total volume of the three-dimensional current collector, wherein pores of the plurality of the pores have a size and a pitch, and a ratio of the size to the pitch is about 0.1 to about 0.9; and a first anode active material layer disposed on a first side of the three-dimensional porous current collector, wherein the first anode active material layer is disposed in at least a portion of the pores of the three-dimensional porous current collector.

公开(公告)号：US20180205077A1

公开(公告)日：2018-07-19

申请号：US15922139

申请日：2018-03-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangjin Park ,  Jaegu Yoon ,  Jeongkuk Shon ,  Minsang Song ,  Jaejun Chang ,  Sangmin Ji ,  Jaeman Choi ,  Dongjin Ham

IPC: H01M4/36 ,  H01M4/583 ,  C01G49/00 ,  H01M4/485 ,  H01M4/505 ,  C01G53/00 ,  H01M4/525 ,  C01G51/00 ,  C01G51/04 ,  C01G45/12 ,  C01G45/02 ,  H01M4/02 ,  H01M10/052

CPC classification number: H01M4/366 ,  C01G45/02 ,  C01G45/1228 ,  C01G49/0072 ,  C01G51/04 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/76 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

公开(公告)号：US12211996B2

公开(公告)日：2025-01-28

申请号：US18220919

申请日：2023-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Huisu Jeong ,  Hwiyeol Park ,  Kyounghwan Kim ,  Jeongkuk Shon ,  Junhyeong Lee ,  Sungjin Lim ,  Jin S. Heo

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/66 ,  H01M10/0525 ,  H01M50/46

Abstract: A battery includes a cathode layer, a cathode current collector on the cathode layer, an anode layer on the cathode layer, an anode current collector on the anode layer, a separator between the cathode layer and the anode layer, and an electrolyte, wherein the cathode layer includes a plurality of crystal grains of a cathode active material and aligned in a first direction, and at least one groove formed in a direction perpendicular to an upper surface of the cathode layer that is in contact with the separator, and wherein a side surface of the cathode layer exposed by the at least one groove is aligned with a crystal direction, a crystal direction, wherein h and k are integers greater than or equal to 1, or a combination thereof, of the crystal grains of the cathode active material.

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.

公开(公告)号：US20230044385A1

公开(公告)日：2023-02-09

申请号：US17816741

申请日：2022-08-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyounghwan Kim ,  Jirae Kim ,  Joungwon Park ,  Hwiyeol Park ,  Jeongkuk Shon ,  Huisu Jeong

IPC: H01M50/457 ,  H01M50/446 ,  H01M50/434 ,  H01M50/417

Abstract: A separator structure for a secondary battery includes: a porous substrate; an intermediate layer on the porous substrate and including lithium fluoride (LiF) and a defluorinated polymer; and a lithium metal layer on the intermediate layer. An anode-separator assembly for a secondary battery includes an anode comprising an anode current collector and an anode active material layer on a surface of the anode current collector, and the separator structure. A secondary battery includes the anode-separator assembly, and a cathode on the porous substrate of the anode-separator assembly.

公开(公告)号：US20210036304A1

公开(公告)日：2021-02-04

申请号：US16944760

申请日：2020-07-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyounghwan Kim ,  Hwiyeol Park ,  Jeongkuk Shon ,  Junhyeong Lee ,  Sungjin Lim ,  Huisu Jeong ,  Jin S. HEO

IPC: H01M4/13 ,  H01M4/36 ,  H01M4/70 ,  H01M10/052

Abstract: An electrode structure includes: a current collector layer including a current collector including a feature, wherein the current collector is within the current collector layer, an active material layer provided on the current collector layer, and an adhesive pattern including an adhesive and disposed in the feature of the current collector, wherein the adhesive pattern extends between the current collector layer and the active material layer, and the active material layer is fixed on a top surface of the current collector layer by the adhesive pattern.

公开(公告)号：US20170092915A1

公开(公告)日：2017-03-30

申请号：US15235302

申请日：2016-08-12

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Junhwan Ku ,  Jeongkuk Shon ,  Minsang Song ,  Sangmin Ji ,  Jaeman Choi ,  Myungkook Park ,  Byungmin Lee ,  Hana Kim

IPC: H01M2/16 ,  H01M10/0562 ,  C08L53/00 ,  H01M10/0525

CPC classification number: H01M2/166 ,  C08F220/18 ,  C08L53/00 ,  H01M2/1673 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  Y02T10/7011

Abstract: An electrode-composite separator assembly for a lithium battery includes: an electrode; and a composite separator, wherein the composite separator includes: a copolymer including a first repeating unit represented by Formula 1, a second repeating unit represented by Formula 2, and a third repeating unit represented by Formula 3; at least one selected from an inorganic particle and an organic-inorganic particle; and at least one polymer selected from a fluorinated polymer and a heat-resistant polymer, wherein Formulas 1-3 are Also a lithium battery including the electrode composite separator assembly.

公开(公告)号：US12166201B2

公开(公告)日：2024-12-10

申请号：US18210170

申请日：2023-06-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hwiyeol Park ,  Huisu Jeong ,  Kyounghwan Kim ,  Jeongkuk Shon ,  Junhyeong Lee ,  Sungjin Lim ,  Jin S. Heo

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/139 ,  H01M4/485 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/02

Abstract: An electrode structure includes a base layer including a first active material, and a plurality of active material plates on a first surface of the base layer and spaced apart from one another, the plurality of active material plates including a second active material. An active material density of the base layer is less than an active material density of an active material plate of the plurality of active material plates.

公开(公告)号：US11757094B2

公开(公告)日：2023-09-12

申请号：US16939208

申请日：2020-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Huisu Jeong ,  Hwiyeol Park ,  Kyounghwan Kim ,  Jeongkuk Shon ,  Junhyeong Lee ,  Sungjin Lim ,  Jin S. Heo

IPC: H01M4/36 ,  H01M4/66 ,  H01M4/04 ,  H01M4/1391 ,  H01M10/0525 ,  H01M4/131 ,  H01M50/46

CPC classification number: H01M4/366 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/661 ,  H01M10/0525 ,  H01M50/46

Abstract: A battery includes a cathode layer, a cathode current collector on the cathode layer, an anode layer on the cathode layer, an anode current collector on the anode layer, a separator between the cathode layer and the anode layer, and an electrolyte, wherein the cathode layer includes a plurality of crystal grains of a cathode active material and aligned in a first direction, and at least one groove formed in a direction perpendicular to an upper surface of the cathode layer that is in contact with the separator, and wherein a side surface of the cathode layer exposed by the at least one groove is aligned with a crystal direction, a crystal direction, wherein h and k are integers greater than or equal to 1, or a combination thereof, of the crystal grains of the cathode active material.

公开(公告)号：US20230102903A1

公开(公告)日：2023-03-30

申请号：US17931631

申请日：2022-09-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinsuck Heo ,  Samuel Robert Cross ,  Kyounghwan Kim ,  Joungwon Park ,  Jeongkuk Shon ,  Huisu Jeong

IPC: H01M4/80 ,  H01M4/04

Abstract: An electrode for a secondary battery includes a current collector; and an active material structure on the current collector, the activate material structure including: at least one first high-density layer, and at least one second high-density layer, the at least one second high-density layer being further away from the current collector as compared to the at least one first high-density layer; and a low-density layer between the at least one first high-density layer and the at least one second high-density layer, wherein a thickness of the at least one second high-density layer is greater than a thickness of the at least one first high-density layer.