公开(公告)号：US20240396020A1

公开(公告)日：2024-11-28

申请号：US18788728

申请日：2024-07-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinkyu KIM ,  Jinhoon YANG ,  Yunchae JUNG ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M4/36 ,  H01M4/02 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0562 ,  H01M10/058

Abstract: An anode layer for all-solid secondary batteries, an all-solid secondary battery, and a method of manufacturing an all-solid secondary battery, the anode layer including an anode current collector; and a first anode active material layer on the anode current collector, wherein the first anode active material layer includes a metal-carbon composite including a metal, carbon, and a polyol.

公开(公告)号：US20240258563A1

公开(公告)日：2024-08-01

申请号：US18604750

申请日：2024-03-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinhoon YANG ,  Byeonggyu CHO ,  Jinkyu KIM ,  Yunchae JUNG ,  Sangil HAN

IPC: H01M10/0562 ,  H01M4/02 ,  H01M4/133 ,  H01M4/36 ,  H01M4/62

CPC classification number: H01M10/0562 ,  H01M4/133 ,  H01M4/366 ,  H01M4/621 ,  H01M2004/027 ,  H01M2004/028

Abstract: The present invention relates an all solid-state battery, the all solid-state battery comprising: a current collecting body; a negative electrode comprising a negative electrode layer disposed on one surface of the current collecting body; a positive electrode; and a solid electrolyte layer located between the negative electrode and positive electrode, wherein the negative electrode layer thickness (a) and solid electrolyte layer thickness (b) have the relationship expressed in formula 1.








1.
0

≤

b
/
a

≤

6
.
0
.





[

formula
⁢

1

]

公开(公告)号：US20250007005A1

公开(公告)日：2025-01-02

申请号：US18887031

申请日：2024-09-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinkyu KIM ,  Kyulin LEE ,  Jeonghye LEE ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M10/0585 ,  H01M4/02 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562

Abstract: An all-solid secondary battery includes a cathode; an anode including natural graphite; and a solid electrolyte layer between the cathode and the anode, wherein the natural graphite has an average particle diameter (D50) in a range of greater than about 10 μm to about 20 μm or less and includes an amorphous carbon coating layer.

公开(公告)号：US20240145703A1

公开(公告)日：2024-05-02

申请号：US18406069

申请日：2024-01-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Sangil HAN ,  Ilseok KIM ,  Jinkyu KIM ,  Jeonghye LEE ,  Byeonggyu CHO

IPC: H01M4/525 ,  H01M4/36 ,  H01M4/505 ,  H01M4/583 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/525 ,  H01M4/366 ,  H01M4/505 ,  H01M4/583 ,  H01M4/623 ,  H01M10/0525 ,  H01M2004/027

Abstract: The present invention provides a negative electrode for a lithium metal battery and a lithium metal battery comprising the same, the negative electrode comprising: a first negative electrode including a lithium metal negative electrode; and a second negative electrode which is disposed on the first negative electrode and includes a coating layer including a carbon-based material. By using the negative electrode for a lithium metal battery, a lithium metal battery can have an improved charge and discharge efficiency and life time.

公开(公告)号：US20210265665A1

公开(公告)日：2021-08-26

申请号：US17249237

申请日：2021-02-24

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinkyu KIM ,  Kyulin LEE ,  Jeonghye LEE ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M10/0585 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/62 ,  H01M4/587

Abstract: An all-solid secondary battery includes a cathode; an anode including natural graphite; and a solid electrolyte layer between the cathode and the anode, wherein the natural graphite has an average particle diameter (D50) in a range of greater than about 10 μm to about 20 μm or less and includes an amorphous carbon coating layer.

公开(公告)号：US20250125358A1

公开(公告)日：2025-04-17

申请号：US19002232

申请日：2024-12-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinkyu KIM ,  Jinhoon YANG ,  Byeonggyu CHO ,  Yunchae JUNG ,  Yoonchang KIM ,  Sangil HAN

IPC: H01M4/587 ,  H01M4/36 ,  H01M10/0562

Abstract: An anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof.

公开(公告)号：US20230411593A1

公开(公告)日：2023-12-21

申请号：US18013740

申请日：2021-11-26

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Yunchae JUNG ,  Jinkyu KIM ,  Jinhoon YANG ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M4/134 ,  H01M4/38 ,  H01M10/0562

CPC classification number: H01M4/134 ,  H01M4/38 ,  H01M10/0562 ,  H01M2004/027

Abstract: Disclosed are an anode layer for an all-solid-state secondary battery, an all-solid-state secondary battery including the same, and a method of preparing the all-solid-state secondary battery. The anode layer for an all-solid-state secondary battery includes an anode current collector and a porous metal-based anode active material sheet positioned on the anode current collector, wherein the porous metal-based anode active material sheet is capable of precipitating lithium into the sheet during charging and the porous metal-based anode active material sheet may have a porosity of 30% to 90%.

公开(公告)号：US20230238533A1

公开(公告)日：2023-07-27

申请号：US18098165

申请日：2023-01-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyuksoo SHIN ,  Sunghyun NOH ,  Sangil HAN ,  Jinkyu KIM ,  Jinhoon YANG ,  Byeonggyu CHO

IPC: H01M4/587 ,  H01M10/0562 ,  H01M4/38

CPC classification number: H01M4/587 ,  H01M10/0562 ,  H01M4/382 ,  H01M2004/027

Abstract: A negative active material for an all solid-state includes an aggregated material of amorphous carbon having pores therein in which primary particles are aggregated, and metal nanoparticles filling in the pores.

公开(公告)号：US20220223837A1

公开(公告)日：2022-07-14

申请号：US17500076

申请日：2021-10-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinkyu KIM ,  Jinhoon YANG ,  Yunchae JUNG ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M4/36 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134

Abstract: An anode layer for all-solid secondary batteries, an all-solid secondary battery, and a method of manufacturing an all-solid secondary battery, the anode layer including an anode current collector; and a first anode active material layer on the anode current collector, wherein the first anode active material layer includes a metal-carbon composite including a metal, carbon, and a polyol.

公开(公告)号：US20230387391A1

公开(公告)日：2023-11-30

申请号：US18013294

申请日：2021-12-22

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Yunchae JUNG ,  Jinkyu KIM ,  Jinhoon YANG ,  Byeonggyu CHO ,  Sangil HAN

IPC: H01M4/36 ,  H01M4/13 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/0585

CPC classification number: H01M4/366 ,  H01M4/13 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/0585 ,  H01M2004/021

Abstract: Provided are an all-solid secondary battery and a method of preparing the same, wherein the all-solid secondary battery includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer, wherein a mixed layer having a thickness of 2 μm or less is included between the negative electrode layer and the solid electrolyte layer, the mixed layer includes a negative electrode layer material and a solid electrolyte layer material, a thickness ratio of the negative electrode layer to the mixed layer is 2:1 to 50:1, and a mixing volume ratio of the negative electrode layer to the solid electrolyte in the mixed layer is 2:1 to 1:1.