公开(公告)号：US20210135287A1

公开(公告)日：2021-05-06

申请号：US17081062

申请日：2020-10-27

Applicant: SAMSUNG SDI CO., LTD. ,  POSTECH Research and Business Development Foundation

Inventor： Myunghwan JEONG ,  Younghye KANG ,  Haneol KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Hoon KIM ,  Suyeol RYU ,  Moon Jeong PARK ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Jin-Hyeok LIM ,  Wonseok CHO ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M4/36 ,  H01M4/587 ,  C07F9/38

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: in Chemical Formula 1, R1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.

公开(公告)号：US20250167336A1

公开(公告)日：2025-05-22

申请号：US18678234

申请日：2024-05-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE

IPC: H01M10/6551 ,  H01M10/052 ,  H01M50/595

Abstract: Disclosed is a rechargeable lithium battery. the rechargeable lithium battery includes an electrode assembly; a battery case housing the electrode assembly; and a heat suppression layer between the electrode assembly and the battery case, wherein the heat suppression layer includes a compound that suppresses heat generation, the compound being selected from FeF3, FeF2, CuF2, MoCl5, NiF2, FeCl3, CoF3, CoF2, MnF3, NbF3, TiF4, ZnF2, BiF3, SeO2, CuO, CuO2, P2S5, P4S7, NiS2, CoS2, FeS2, SiS2, V2O5, S8, or a combination thereof.

公开(公告)号：US20240356071A1

公开(公告)日：2024-10-24

申请号：US18489616

申请日：2023-10-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Si-Young CHA ,  Inah KANG ,  Hanmam JEONG

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M10/4235 ,  H01M2004/028 ,  H01M10/052 ,  H01M50/105

Abstract: This disclosure relates to an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. Some embodiments provide an electrolyte additive for a rechargeable lithium battery including a non-aqueous organic solvent; a lithium salt; a first additive including at least one selected from an additive represented by Chemical Formula 1 and an additive represented by Chemical Formula 2; and a second additive represented by Chemical Formula 3:

公开(公告)号：US20240339659A1

公开(公告)日：2024-10-10

申请号：US18473923

申请日：2023-09-25

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Bokyung RYU ,  Tae Jin LEE ,  Myungheui WOO ,  Hyejin PARK ,  Sang Hoon KIM ,  Hana RA

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/4235

Abstract: An additive for a rechargeable lithium battery, and an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The additive includes a core including an aerogel, and a shell around (e.g., surrounding) the core, wherein the shell includes a polymer having a melting point of about 90 to about 120° C.

公开(公告)号：US20240072303A1

公开(公告)日：2024-02-29

申请号：US18012630

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minseo KIM ,  Tae Jin LEE ,  Sanghyung KIM ,  Myungheui WOO ,  Hyejin PARK ,  Dahyun KIM ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/525

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound includes a composition including a second compound represented by Chemical Formula 1 or Chemical Formula 2.
Details of the Chemical Formula 1 and Chemical Formula 2 are as described in the specification.

公开(公告)号：US20230344004A1

公开(公告)日：2023-10-26

申请号：US18013824

申请日：2021-12-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dahyun KIM ,  Minseo KIM ,  Sanghyung KIM ,  Sanghoon KIM ,  Hyejin PARK ,  Myungheui WOO ,  Bokyung RYU ,  Tae Jin LEE ,  Wonseok CHO

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/004

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including same, the electrolyte including a nonaqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition comprising a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
The details of Chemical Formulas 1 and 2 are as set forth in the specification.

公开(公告)号：US20230317947A1

公开(公告)日：2023-10-05

申请号：US18194450

申请日：2023-03-31

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Myungheui WOO ,  Sanghoon KIM ,  Arum YU

IPC: H01M4/60 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/60 ,  H01M4/525 ,  H01M4/131 ,  H01M2004/028

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. For example, one or more embodiments provide a positive electrode for a rechargeable lithium battery including a positive electrode current collector and a positive electrode active material layer on one surface or two opposing surfaces of the positive electrode current collector, wherein the positive electrode active material layer includes a metal organic framework of ZIF-8, MOF-177, HKUST-1, Fe-BTC, or a combination thereof; and a positive electrode active material that is a nickel-based oxide.

公开(公告)号：US20210020989A1

公开(公告)日：2021-01-21

申请号：US16927116

申请日：2020-07-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong CHOI ,  Younghye KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Suyeol RYU ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Jin-Hyeok LIM ,  Myunghwan JEONG ,  Wonseok CHO ,  Pavel SHATUNOV ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/505 ,  H01M4/38

Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

公开(公告)号：US20190326648A1

公开(公告)日：2019-10-24

申请号：US16363559

申请日：2019-03-25

Applicant: Samsung SDI Co., Ltd.

Inventor： Tae Jin LEE

IPC: H01M10/42 ,  H02J7/00 ,  H03K5/24 ,  G01R19/165 ,  H01M10/44

Abstract: A battery pack includes a battery and a battery management system to control and manage charging and discharging of the battery. The battery management system includes an external terminal connected to a charger or an external electronic device, a cell terminal connected to the battery, charge and discharge FETs connected between the external terminal and the cell terminal, a voltage sensor a voltage of the battery, a comparator comparing the battery voltage with a reference voltage to determine whether the battery pack is in an overdischarged state, and a controller controlling the charge FET to be cut off to prevent a charge operation of the battery, if the comparator determines that the battery pack is in an overdischarged state.

公开(公告)号：US20250167326A1

公开(公告)日：2025-05-22

申请号：US18949871

申请日：2024-11-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE

IPC: H01M10/48 ,  A62C3/16 ,  H01M10/42 ,  H01M10/44 ,  H01M50/107 ,  H01M50/383 ,  H02J7/00

Abstract: A battery pack includes a plurality of battery cells, a first temperature label and a second temperature label attached to a battery cell of the battery cells at different positions of the battery cell, each of the first and second temperature labels being configured to measure a temperature of the battery cell at a corresponding position, and a controller configured to determine an abnormal state of the battery cell based on a temperature difference between a first temperature and a second temperature measured through the first temperature label and the second temperature label.