公开(公告)号：US20240429436A1

公开(公告)日：2024-12-26

申请号：US18690037

申请日：2022-09-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Kwangjong SUH ,  Younggyoon RYU ,  Jaegu YOON

IPC: H01M10/056 ,  H01M4/02 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M50/426 ,  H01M50/431 ,  H01M50/446

Abstract: Provided are an all-solid-state secondary battery including a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the solid electrolyte layer includes a sulfide-based solid electrolyte and inorganic particles, wherein the inorganic particles have an average particle diameter of 50 nm to 5 μm or less, and a method of manufacturing the same.

公开(公告)号：US20250079470A1

公开(公告)日：2025-03-06

申请号：US18954494

申请日：2024-11-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Younggyoon RYU

IPC: H01M4/66 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36

Abstract: Provided are a negative electrode layer for sulfide-based solid electrolyte-containing all-solid secondary batteries, an all-solid secondary battery including the same, and a preparation method thereof, wherein the negative electrode layer includes a negative current collector and a first negative active material layer, and the first negative active material layer includes a lithium metal composite including lithium metal and an inorganic negative active material.

公开(公告)号：US20210257624A1

公开(公告)日：2021-08-19

申请号：US17249046

申请日：2021-02-18

Applicant: Samsung SDI Co., Ltd.

Inventor： Minsuk LEE

IPC: H01M4/66 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525 ,  H01M4/62 ,  H01M10/0562

Abstract: A negative electrode includes a negative electrode current collector and a first negative electrode active material layer on the negative electrode current collector, wherein the negative electrode current collector includes a first metal substrate including a first metal, and a coating layer positioned on the first metal substrate and containing a second metal, the second metal having a greater Mohs hardness than the first metal.

公开(公告)号：US20230307793A1

公开(公告)日：2023-09-28

申请号：US18124258

申请日：2023-03-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Younggyoon RYU ,  Suyeol RYU ,  Jihyoung PARK ,  Jaegu YOON ,  Isaac SHIN

IPC: H01M50/486 ,  H01M50/46 ,  H01M50/474 ,  H01M50/489 ,  H01M50/586 ,  H01M4/38 ,  H01M4/36 ,  H01M4/587 ,  H01M4/133 ,  H01M4/134

CPC classification number: H01M50/486 ,  H01M50/461 ,  H01M50/474 ,  H01M50/489 ,  H01M50/586 ,  H01M4/38 ,  H01M4/364 ,  H01M4/587 ,  H01M4/133 ,  H01M4/134 ,  H01M2004/027

Abstract: An all solid secondary battery and a method of manufacturing the same, the all solid secondary battery includes an electrode assembly including a cathode layer, an anode layer, a solid electrolyte layer between the anode layer and the cathode layer, and a porous multilayer member on one surface or opposite surfaces of the electrode assembly, wherein the porous multilayer member includes a porous cushioning layer, and a porous protecting layer on one surface or opposite surfaces of the porous cushioning layer.

公开(公告)号：US20200287238A1

公开(公告)日：2020-09-10

申请号：US16791296

申请日：2020-02-14

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd. ,  JEONGKWAN Co., Ltd

Inventor： Hyorang KANG ,  Minsuk LEE ,  Taeheung KIM ,  Duckki YOON ,  Hyungsik LIM

IPC: H01M10/0562 ,  H01M10/0525

Abstract: A sulfide solid electrolyte includes: an ionic conductor including a PS43− unit, a P2S64− unit, and a P2S74− unit; and a lithium compound containing a halogen element, wherein a molar ratio of the P2S64− unit to the PS43− unit is about 1:1 to about 5:1, and a molar amount of the P2S74− unit with respect to the total molar amount of the PS43− unit, the P2S64− unit, and the P2S74− unit is greater than 0 to about 60%.

公开(公告)号：US20250140911A1

公开(公告)日：2025-05-01

申请号：US18732918

申请日：2024-06-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Jaewon KIM ,  Suyeol RYU ,  Guesung KIM ,  Young Gyoon RYU

IPC: H01M10/0562

Abstract: An all-solid rechargeable battery includes a negative electrode; a first solid electrolyte layer on one surface of the negative electrode; a second solid electrolyte layer on one surface of the first solid electrolyte layer, and a positive electrode on one surface of the second solid electrolyte layer, wherein the first solid electrolyte layer includes rounded first solid electrolyte particles, and the first solid electrolyte layer has a first thickness of 2 μm or less.

公开(公告)号：US20250140869A1

公开(公告)日：2025-05-01

申请号：US19006563

申请日：2024-12-31

Applicant: Samsung SDI Co., Ltd.

Inventor： Minsuk LEE

IPC: H01M4/66 ,  H01M4/02 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562

Abstract: A negative electrode includes a negative electrode current collector and a first negative electrode active material layer on the negative electrode current collector, wherein the negative electrode current collector includes a first metal substrate including a first metal, and a coating layer positioned on the first metal substrate and containing a second metal, the second metal having a greater Mohs hardness than the first metal.

公开(公告)号：US20230126985A1

公开(公告)日：2023-04-27

申请号：US17968070

申请日：2022-10-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Suyeol RYU ,  Isaac SHIN ,  Jihyoung PARK ,  Young Gyoon RYU ,  Jaegu YOON

IPC: H01M10/0585 ,  H01M4/66 ,  H01M50/211 ,  H01M50/209 ,  H01M50/289 ,  H01M50/264

Abstract: A fully solid battery includes a positive electrode plate, a solid electrolyte layer disposed on one side of the positive electrode plate, a negative electrode plate disposed on one side of the solid electrolyte layer, and a buffer film disposed on one side of the negative electrode plate. The buffer film includes a base substrate and a buffer layer on at least one surface of the base substrate. The buffer layer includes a first particulate that provides resilience, a second particulate that relieves stress, and a binder.

公开(公告)号：US20250112229A1

公开(公告)日：2025-04-03

申请号：US18981160

申请日：2024-12-13

Applicant: Samsung SDI Co., Ltd.

Inventor： Minsuk LEE ,  Younggyoon RYU

IPC: H01M4/36 ,  H01M4/133 ,  H01M4/134 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525

Abstract: An all-solid secondary battery includes a cathode layer; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the cathode layer comprises a cathode current collector, a cathode active material layer disposed on the cathode current collector, and an inactive member disposed on one side surface of the cathode active material layer, wherein the anode layer comprises an anode current collector and a first anode active material layer disposed on the anode current collector.

公开(公告)号：US20230128073A1

公开(公告)日：2023-04-27

申请号：US17972695

申请日：2022-10-25

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minsuk LEE ,  Suyeol RYU ,  Hongjeong KIM ,  Younggyoon RYU ,  Jaegu YOON

IPC: H01M10/42 ,  H01M10/0585

Abstract: An all-solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer. The cathode layer includes a cathode active material layer and a flame-retardant inactive member located on and in contact with the solid electrolyte layer and has a rectangular enclosure shape surrounding side surfaces of the cathode active material layer, wherein the flame-retardant inactive member includes a pair of first side portions and a pair of second side portions connected to the first side portions, the first side portions having uncoated portion corresponding portions corresponding to a cathode uncoated portion of a cathode current collector and an anode uncoated portion of an anode current collector, respectively, and wherein a width of the uncoated portion corresponding portion of the first side portion is greater than a width of the remaining portion of the first side portion.