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公开(公告)号：WO2021010716A1
公开(公告)日：2021-01-21
申请号：PCT/KR2020/009215
申请日：2020-07-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： JEON, Yongsub , JANG, Kiyoun , SEO, Youngho , YOON, Jongmoon , LEE, Jaeyeon
IPC: H01M2/26 , H01M2/02 , H01M2/30 , H01M10/04 , H01M10/0587 , H01M10/052
Abstract: A battery for an electronic device is provided. The battery includes a battery cell including a cathode, an anode, and a separator located between the cathode and the anode; cathode tabs, each including a first area electrically connected to the cathode and an unstructured second area protruding from the first area to outside of the cathode; anode tabs, each including a third area electrically connected to the anode and an unstructured fourth area protruding from the third area to outside of the anode; a cathode terminal joined to the second areas of the cathode tabs; and an anode terminal joined to the fourth areas of the anode tabs. The first areas do not overlap each other when viewed from the top of the battery cell, and the second areas are coupled to each other. The third areas do not overlap each other when viewed from the top of the battery cell, and the fourth areas are coupled to each other.
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Patent Agency Ranking2.发明申请
公开(公告)号：WO2021071311A1
公开(公告)日：2021-04-15
申请号：PCT/KR2020/013790
申请日：2020-10-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： OH, Bookeun , WI, Sungun , LEE, Jaeyeon
Abstract: A lithium ion battery is provided. The lithium ion battery includes a cathode, an anode, an electrolyte, and a separator interposed between the cathode and the anode, wherein the cathode includes, as active materials, a first LiCoO2 (LCO), a second LCO, and LiCoxMnyFezPO4 having a coating layer on the surface thereof, the first LCO has a first size, the second LCO has a second size smaller than the first size such that the second LCO is arranged in the cavities formed by the first LCO, and the LiCoxMnyFezPO4 has a third size smaller than both the first size and the second size such that the LiCoxMnyFezPO4 is arranged in the cavities formed by at least one of the first LCO and the second LCO, and the LiCoxMnyFezPO4 has the composition ratio of x + y + z = 1 (with a proviso of 0.5 ≤ y ≤ 1).
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公开(公告)号：WO2020004882A1
公开(公告)日：2020-01-02
申请号：PCT/KR2019/007606
申请日：2019-06-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： WI, Sungun , OH, Bookeun , LEE, Jaeyeon , CHOI, Jaeman
Abstract: Certain embodiments of the disclosure relate to a bimodal-type cathode active material for a lithium ion battery. The cathode active material includes a mixture of layered LiCoO 2 large particles and manganese-based olivine structural small particles. The manganese-based olivine structural small particles may be represented by chemical formula LiCo x Mn y Fe z PO 4 (0≤x≤1, 0
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公开(公告)号：WO2018169324A1
公开(公告)日：2018-09-20
申请号：PCT/KR2018/003041
申请日：2018-03-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： OH, Bookeun , LEE, Yeonil , LEE, Jaeyeon
IPC: H01M10/04 , H01M10/058 , H01M10/42 , H01M4/66
Abstract: A rechargeable battery is provided. The rechargeable battery includes a positive electrode substrate layer; a positive electrode active material layer disposed adjacent to the positive electrode substrate layer; a negative electrode substrate layer; a negative electrode active material layer disposed adjacent to the negative electrode substrate layer; a separator disposed between the positive electrode active material layer and the negative electrode active material layer; and a shape variable layer disposed between the positive electrode substrate and the positive electrode active material layer or between the negative electrode substrate and the negative electrode active material layer.
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公开(公告)号：WO2021118120A1
公开(公告)日：2021-06-17
申请号：PCT/KR2020/016935
申请日：2020-11-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： LEE, Sangheon , AN, Seongjin , OH, Bookeun , LEE, Jaeyeon
Abstract: An electronic device includes a housing structure including a first cover facing in a first direction and forming a first surface of the electronic device, and a second cover facing in a second direction opposite to the first direction and forming a second surface of the electronic device. The electronic device also includes a display positioned in a space formed by the housing structure and exposed through the first surface. The electronic device further includes an energy harvesting structure positioned in the space and configured to generate a current from a contact input to the first surface and a sound input generated inside and outside the electronic device. The electronic device additionally includes a battery positioned in the space. The electronic device also includes a charging circuit configured to charge the battery using the current received from the energy harvesting structure.
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公开(公告)号：WO2020022823A1
公开(公告)日：2020-01-30
申请号：PCT/KR2019/009307
申请日：2019-07-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： WI, Sungun , OH, Bookeun , LEE, Jaeyeon , CHOI, Jaeman
IPC: H01M10/058 , H01M10/0587 , H01M10/0585 , H01M10/04 , H01M4/587 , H01M4/485 , H01M4/58 , H01M10/0525 , H01M4/02
Abstract: A battery and an electronic device including a battery are provided. The battery includes a case including a first face and a second face; a first unit cell including a first cathode, a first separator, and a first anode, the first anode having a characteristic of a first electrical conductivity when the first unit cell is discharged; and a plurality of second unit cells, each including a second cathode, a second separator, and a second anode, the second anode having a characteristic of a second electrical conductivity lower than the first electrical conductivity when the plurality of second unit cells are discharged. The plurality of second unit cells are disposed within the case to be adjacent to the first face and the second face, respectively, and the first unit cell is interposed between the plurality of second unit cells.
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