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：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.

公开(公告)号：US20230223591A1

公开(公告)日：2023-07-13

申请号：US18013287

申请日：2021-06-22

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0562 ,  H01M4/04 ,  H01M4/62 ,  H01M4/36 ,  H01M4/583 ,  H01M4/38

CPC classification number: H01M10/0562 ,  H01M4/0404 ,  H01M4/622 ,  H01M4/364 ,  H01M4/583 ,  H01M4/38 ,  H01M4/366 ,  H01M4/382 ,  H01M2004/027

Abstract: The present invention relates to an all-solid-state battery including: an electrode assembly including a negative electrode, a positive electrode, and a solid electrolyte between the negative electrode and the positive electrode; and a case for accommodating the electrode assembly, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer including a negative electrode active material and a binder, the negative electrode active material includes a carbon-based material and metal particles, the binder includes a first polymer of a butadiene rubber, and a second polymer selected from carboxy alkyl cellulose (wherein alkyl is a C1 to C6 alkyl), a salt thereof, and a combination thereof, and the first polymer and the second polymer are included in a weight ratio of 1:1 to 6:1.

公开(公告)号：US20220199995A1

公开(公告)日：2022-06-23

申请号：US17554635

申请日：2021-12-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M4/587 ,  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：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：US20160149187A1

公开(公告)日：2016-05-26

申请号：US14918454

申请日：2015-10-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Byeonggyu CHO ,  Hyungbae KIM ,  Eungyeong LEE ,  Jinhyuk IN ,  Jonghwan PARK

IPC: H01M2/16 ,  H01M2/14

CPC classification number: H01M2/1686 ,  H01M2/145 ,  H01M2/166

Abstract: Provided are a separator having high heat resistance, a manufacturing method thereof and a secondary battery including the separator. The separator includes a porous base layer, and a coating layer formed on at least one surface of the base layer. Here, the coating layer includes 5 wt % to 25 wt % of polyvinyl alcohol (PVA) or derivatives thereof as a first binder and 75 wt % to 95 wt % of polyacrylic acid (PAA) or derivatives thereof as a second binder.

Abstract translation: 提供具有高耐热性的隔膜，其制造方法和包括隔膜的二次电池。 分离器包括多孔基底层和形成在基底层的至少一个表面上的涂层。 这里，涂层包含作为第一粘合剂的5重量％至25重量％的聚乙烯醇（PVA）或其衍生物，作为第二粘合剂的包含75重量％至95重量％的聚丙烯酸（PAA）或其衍生物。

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.