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公开(公告)号：US20230369570A1
公开(公告)日：2023-11-16
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 , H01M4/66 , H01M4/04 , H01M4/1391 , H01M10/0525 , H01M4/131 , H01M50/46
CPC classification number: H01M4/366 , H01M4/661 , H01M4/0471 , H01M4/1391 , H01M10/0525 , H01M4/131 , 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：US20210036313A1
公开(公告)日：2021-02-04
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 , H01M4/131 , H01M4/1391 , H01M10/0525 , H01M2/16
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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3.发明公开公开(公告)号：US20230327089A1
公开(公告)日：2023-10-12
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
CPC classification number: H01M4/366 , H01M4/043 , H01M4/0471 , H01M4/139 , H01M4/485 , H01M4/5825 , H01M10/0525 , H01M2004/021
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：US20220393272A1
公开(公告)日：2022-12-08
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
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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Patent Agency Ranking
公开(公告)号：US20230420993A1
公开(公告)日：2023-12-28
申请号：US18343511
申请日：2023-06-28
Inventor： Kyunghwan LEE , Jungik HA , Geonhong MIN , Junhyeong LEE
CPC classification number: H02J50/12 , H02J2207/20 , H02J7/0047 , H02J7/00712
Abstract: According to an embodiment, an electronic device for wirelessly receiving power may include: a power reception circuit including a coil, an impedance compensation circuit electrically connected to the power reception circuit, a rectifier circuit electrically connected to the impedance compensation circuit, a battery electrically connected to the rectifier circuit, and a control circuit electrically and/or operatively connected to the impedance compensation circuit, the rectifier circuit, and the battery. According to an embodiment, the control circuit may be configured to: rectify, by controlling the rectifier circuit, power received wirelessly from an external electronic device through the power reception circuit and the impedance compensation circuit into direct current (DC) power. According to an embodiment, the control circuit may be configured to identify at least one of a voltage or a current of the rectified DC power. According to an embodiment, the control circuit may be configured to determine a duty cycle of a control signal to control the impedance compensation circuit, based on the at least one of the voltage or the current. According to an embodiment, the control circuit may be configured to adjust a first voltage output by the impedance compensation circuit by controlling the impedance compensation circuit based on the duty cycle. According to an embodiment, impedance of the power reception circuit may be compensated based on the adjusted first voltage of the impedance compensation circuit.
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公开(公告)号：US20190214674A1
公开(公告)日：2019-07-11
申请号：US16049888
申请日：2018-07-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungjin LIM , Huisu JEONG , Kyounghwan KIM , Hwiyeol PARK , Jeongkuk SHON , Wooyoung YANG , Jaemyung LEE , Junhyeong LEE , Jin S. HEO
IPC: H01M10/058
CPC classification number: H01M10/058 , H01M2/1686 , H01M2/18 , H01M10/0454 , H01M10/0562 , H01M10/0583 , H01M2004/021 , H01M2004/025 , H01M2004/028
Abstract: An electrochemical device including: a positive electrode current collector; a plurality of positive electrodes disposed on the positive electrode current collector; an electrolyte layer disposed on the plurality of positive electrodes; a negative electrode disposed on the electrolyte layer; and a negative electrode current collector disposed on the negative electrode, wherein the electrolyte layer includes a first electrolyte layer and a second electrolyte layer, and wherein the second electrolyte layer is between the first electrolyte layer and the negative electrode.
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公开(公告)号：US20210202934A1
公开(公告)日：2021-07-01
申请号：US17036170
申请日：2020-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Huisu JEONG , Hwiyeol PARK , Kyounghwan KIM , Jeongkuk SHON , Junhyeong LEE , Sungjin LIM , Jin S. HEO
Abstract: An active material structure includes first active material lines arranged in a first direction, second active material lines arranged in a second direction intersecting the first direction, and intermediate active material lines between the first active material lines and the second active material lines in a third direction intersecting the first direction and the second direction, the intermediate active material lines provided in overlapping regions of the first active material lines and the second active material lines, wherein the upper active material lines and the second active material lines are electrically connected by the intermediate active material lines.
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8.发明申请公开(公告)号：US20200161642A1
公开(公告)日：2020-05-21
申请号：US16658635
申请日：2019-10-21
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：US20190148803A1
公开(公告)日：2019-05-16
申请号：US16154944
申请日：2018-10-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Heungchan LEE , Dongmin IM , Hwiyeol PARK , Hyunchul LEE , Huisu JEONG , Junhyeong LEE , Jin S. HEO
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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