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：US20240186569A1

公开(公告)日：2024-06-06

申请号：US18380778

申请日：2023-10-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinhoon YANG ,  Jungho LEE ,  Juhee SOHN ,  Hyuksoo SHIN ,  Kang Hee LEE ,  Sungwon JUNG

IPC: H01M10/0562 ,  H01M4/131 ,  H01M4/36

CPC classification number: H01M10/0562 ,  H01M4/131 ,  H01M4/366 ,  H01M2300/0071

Abstract: Disclosed is an all solid-state battery, and the all solid-state battery including a positive electrode including a positive active material layer including a positive active material, a negative catalyst layer including a negative catalyst and Nb2O5; and an electrolyte, wherein an amount of Nb2O5 is about 1 wt % to about 30 wt % of the total, 100 wt % of the negative catalyst layer, and a ratio (N/P) of a capacity of the negative catalyst layer relative to a capacity of the positive electrode is about 0.1 or more and less than 0.5.

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.

公开(公告)号：US20230275262A1

公开(公告)日：2023-08-31

申请号：US18013307

申请日：2021-06-16

Applicant: SAMSUNG SDI CO., LTD.

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

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

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

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：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：US20240105943A1

公开(公告)日：2024-03-28

申请号：US18013289

申请日：2022-08-09

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M4/587 ,  H01M4/133 ,  H01M4/62 ,  H01M10/0562

CPC classification number: H01M4/587 ,  H01M4/133 ,  H01M4/622 ,  H01M10/0562 ,  H01M2004/027

Abstract: Provided are a negative electrode layer for an all-solid secondary battery, and an all-solid secondary battery including the same, the negative electrode layer comprising a negative electrode current collector and a first negative electrode active material layer including a carbon-based material, wherein the carbon-based material includes a mixture of amorphous carbon black and crystalline carbon black, and satisfies that the D peak to G peak intensity ratio of the amorphous carbon black, obtained by Raman analysis, is 1.5 or more, and the D peak to G peak intensity ratio of the crystalline carbon black, obtained by Raman analysis, is greater than 0.5 and less than 1.5.