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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
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.
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公开(公告)号:US12027687B2
公开(公告)日:2024-07-02
申请号:US17886681
申请日:2022-08-12
Applicant: Samsung Electronics Co., Ltd.
Inventor: Heungchan Lee , Dongmin Im , Hwiyeol Park , Hyunchul Lee , Huisu Jeong , Junhyeong Lee , Jin S. Heo
CPC classification number: H01M12/08 , H01M4/8605 , H01M4/9016 , H01M2004/8689
Abstract: A metal metal-air battery includes: an anode layer including a metal, a cathode layer spaced apart from the anode layer and including a hybrid conductive material having both electron conductivity and ionic conductivity; and a separator disposed between the anode layer and the cathode layer, wherein the hybrid conductive material includes a channel for metal ion transfer from the anode layer and a channel for electron transfer between the cathode and the anode.
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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.
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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
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.
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5.
公开(公告)号:US20220407056A1
公开(公告)日:2022-12-22
申请号:US17751893
申请日:2022-05-24
Applicant: Samsung Electronics Co., Ltd. , Industry-University Cooperation Foundation Hanyang University ERICA Campus
Inventor: Joungwon Park , Kyumoon Kwon , Kyounghwan Kim , Taejoo Park , Hwiyeol Park , Huisu Jeong
IPC: H01M4/36 , H01M4/04 , H01M4/62 , H01M10/0525
Abstract: A cathode includes: a cathode current collector; a cathode active material layer on the cathode current collector and including a first surface, and a second surface opposite the first surface and adjacent to the cathode current collector, wherein the cathode active material layer includes a channel structure including a channel extending in a direction from the first surface to the second surface; and a conductive metal layer disposed on a surface of the channel of the channel structure.
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6.
公开(公告)号:US20170084918A1
公开(公告)日:2017-03-23
申请号:US15168582
申请日:2016-05-31
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hojung Yang , Hwiyeol Park , Kyunghoon Cho , Kyounghwan Kim , Seunghoon Nam , Huisu Jeong , Jinseok Heo
IPC: H01M4/525 , H01M4/04 , H01M4/131 , H01M10/0525 , H01M4/52
CPC classification number: H01M4/525 , H01M4/0416 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/523 , H01M10/052 , H01M10/0525 , H01M10/0585 , H01M2004/021 , H01M2004/028
Abstract: A cathode of a three-dimensional lithium secondary is defined by a sintered body including a cathode active material, in which a thickness of the sintered body is in a range of about 5 μm to about 30 μm, and an electrode density of the sintered body is in a range of about 3.7 g/cc to about 4.6 g/cc. The cathode active material may include a lithium cobalt oxide.
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7.
公开(公告)号:US20170047582A1
公开(公告)日:2017-02-16
申请号:US15063711
申请日:2016-03-08
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hwiyeol Park , Hojung Yang , Kyunghoon Cho , Jin S. Heo , Seunghoon Nam , Huisu Jeong
CPC classification number: H01M4/366 , H01M4/0414 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/485 , H01M4/525 , H01M4/5825 , H01M4/661 , H01M4/662
Abstract: A metal oxide composite including a first metal oxide composite layer, and a second metal oxide layer, wherein the first metal oxide composite layer and the second metal oxide layer are alternately stacked in a thickness direction; and a third metal oxide layer that is disposed on a side surface of the stacked structure, wherein the third metal oxide layer includes a metal oxide that is a same metal oxide as a metal oxide included in the stacked structure.
Abstract translation: 一种包含第一金属氧化物复合层和第二金属氧化物层的金属氧化物复合物,其中所述第一金属氧化物复合层和所述第二金属氧化物层在厚度方向上交替堆叠; 以及设置在所述层叠结构的侧面的第三金属氧化物层,其中所述第三金属氧化物层包括与所述层叠结构体中包含的与所述金属氧化物相同的金属氧化物的金属氧化物。
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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.
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公开(公告)号:US11682769B2
公开(公告)日:2023-06-20
申请号:US17080924
申请日:2020-10-27
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hojung Yang , Kyounghwan Kim , Hwiyeol Park , Jin S. Heo , Sungjin Lim , Huisu Jeong
IPC: H01M4/78 , H01M10/04 , H01M10/052 , H01M10/058 , H01M4/04 , H01M4/66 , H01M10/0525
CPC classification number: H01M4/78 , H01M4/0445 , H01M4/661 , H01M10/0445 , H01M10/052 , H01M10/058 , H01M10/0525 , H01M2220/30
Abstract: An electrochemical device including a positive electrode current collector; a first protruding portion including a plurality of positive electrodes in electrical contact with the positive electrode current collector, and a first dented portion disposed between each positive electrode of the plurality of positive electrodes; an electrolyte layer including a second protruding portion and a second dented portion respectively disposed on the first protruding portion including the plurality of positive electrodes and the first dented portion disposed between each positive electrode of the plurality of positive electrodes; and a negative electrode current collector layer including a third protruding portion and a third dented portion respectively disposed on the second protruding portion and the second dented portion of the electrolyte layer.
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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.
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