公开(公告)号：US20240088442A1

公开(公告)日：2024-03-14

申请号：US18352946

申请日：2023-07-14

Applicant: SAMSUNG SDI CO., LTD. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Tae Hyon BAE ,  Yunhee KIM ,  Sanghyung KIM ,  Seunghyeon SON ,  Harim LEE ,  Arum YU ,  Jeong-A LEE ,  Saehun KIM ,  Nam-Soon CHOI

IPC: H01M10/0567 ,  H01M4/133 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M10/0525 ,  H01M2300/0091

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, a second compound, and a third compound, the first compound is represented by Chemical Formula 1, the second compound is represented by Chemical Formula 2, and the third compound is a cyclic carbonate compound. Details of Chemical Formulas 1 and 2 are as described in the specification.

公开(公告)号：US20250046869A1

公开(公告)日：2025-02-06

申请号：US18734916

申请日：2024-06-05

Applicant: Samsung SDI Co., Ltd. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Myungheui WOO ,  Hyejin PARK ,  Sanghoon KIM ,  Arum YU ,  Nam-Soon CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: A liquid electrolyte includes: a lithium salt; a non-aqueous organic solvent; and an additive, wherein the additive comprises a polymer represented by Chemical Formula 1: in Chemical Formula 1, R1 to R3 are each independently hydrogen, fluorine, or a substituted or unsubstituted C1 to C10 alkyl group, and n and m are mole fractions, respectively, 50 mol %≤n≤90 mol %, 10 mol %≤m≤50 mol %.

公开(公告)号：US20240120463A1

公开(公告)日：2024-04-11

申请号：US18482556

申请日：2023-10-06

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Nam-Soon CHOI ,  Sewon PARK ,  Seunghee HAN ,  Kyeong-Min JEONG

IPC: H01M4/133 ,  H01M4/587 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42

CPC classification number: H01M4/133 ,  H01M4/587 ,  H01M4/661 ,  H01M4/667 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2004/027

Abstract: Disclosed are a rechargeable lithium battery, and a negative electrode for a rechargeable lithium battery, the rechargeable lithium battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and an electrolyte, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, the negative electrode active material layer includes a carbon material capable of intercalating and deintercalating lithium as a negative electrode active material, the negative electrode further includes a lithiophilic element on the surface of the negative electrode current collector and/or inside the negative electrode active material layer, the lithiophilic element includes one or more elements selected from Al, Ag, Au, Bi, In, Mg, Pd, Pt, Si, Sn, and Zn, the negative electrode is one in which lithium is electrodeposited between the negative electrode current collector and the negative electrode active material layer and/or inside the negative electrode active material layer by charging, the electrolyte includes an organic solvent and a lithium salt, and the organic solvent includes an ether-based solvent and a carbonate-based solvent.

公开(公告)号：US20240120462A1

公开(公告)日：2024-04-11

申请号：US18482540

申请日：2023-10-06

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Nam-Soon CHOI ,  Sewon PARK ,  Seunghee HAN

IPC: H01M4/133 ,  H01M4/36 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M4/133 ,  H01M4/366 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027

Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and an electrolyte, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, the negative electrode active material layer includes a carbon material capable of intercalating and deintercalating lithium as a negative electrode active material, the negative electrode further includes a lithiophilic element on the surface of the negative electrode current collector and/or inside the negative electrode active material layer, the lithiophilic element includes one or more elements selected from Al, Ag, Au, Bi, In, Mg, Pd, Pt, Si, Sn, and Zn, the negative electrode is one in which lithium is electrodeposited between the negative electrode current collector and the negative electrode active material layer and/or inside the negative electrode active material layer by charging.

公开(公告)号：US20200350556A1

公开(公告)日：2020-11-05

申请号：US16862727

申请日：2020-04-30

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Hyun-Kon SONG ,  Nam-Soon CHOI ,  Chihyun HWANG ,  Jung-Gu HAN

IPC: H01M4/131 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/525

Abstract: Provided are a high-capacity secondary battery including a cathode including an over-lithiated oxide cathode material or a Ni-rich cathode material; a lithium anode (Li anode); and an electrolyte including a superoxide dismutase mimic catalyst (SODm).