公开(公告)号：US11695107B2

公开(公告)日：2023-07-04

申请号：US16595751

申请日：2019-10-08

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

Inventor： Junghyun Choi ,  Inhyuk Son ,  Mijong Kim ,  Sangkook Mah ,  Jumyeung Lee ,  Minwoo Lim ,  Sungsoo Han

IPC: H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.

公开(公告)号：US20200161634A1

公开(公告)日：2020-05-21

申请号：US16557097

申请日：2019-08-30

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

Inventor： Mijong Kim ,  Inhyuk Son ,  Sangkook Mah ,  Jumyeung Lee ,  Minwoo Lim ,  Junghyun Choi ,  Sungsoo Han

IPC: H01M4/133 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/1393

Abstract: An electrode composite conducting agent for a lithium battery includes a carbonaceous conductive material, and the graphene-silica composite, wherein the graphene-silica composite includes a matrix including graphene, and a silicon suboxide of the formula SiOx wherein 0

公开(公告)号：US20190233294A1

公开(公告)日：2019-08-01

申请号：US16253639

申请日：2019-01-22

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

Inventor： Jongseok Moon ,  Mijong Kim ,  Sewon Kim ,  Kyueun Shim ,  Sungsoo Han ,  Inhyuk Son ,  Jumyeung Lee ,  Minwoo Lim

IPC: C01B33/023 ,  H01M4/38 ,  H01M4/583 ,  H01L35/14

CPC classification number: C01B33/023 ,  B82Y40/00 ,  C01B32/182 ,  C01B32/186 ,  C01B32/20 ,  C01B33/00 ,  C01B33/113 ,  C01P2004/03 ,  C01P2004/04 ,  H01L35/14 ,  H01M4/0416 ,  H01M4/0428 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/386 ,  H01M4/48 ,  H01M4/583 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525

Abstract: A silicon-containing structure including: a silicon composite including a porous silicon secondary particle and a first carbon flake on a surface of the porous silicon secondary particle; a carbonaceous coating layer on the porous silicon composite, the carbonaceous coating layer comprising a first amorphous carbon; and the silicon composite comprises a second amorphous carbon and has a density that is equal to or less than a density of the carbonaceous coating layer, wherein the porous silicon secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a second carbon flake on a surface of the silicon suboxide.

公开(公告)号：US11302904B2

公开(公告)日：2022-04-12

申请号：US16557097

申请日：2019-08-30

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

Inventor： Mijong Kim ,  Inhyuk Son ,  Sangkook Mah ,  Jumyeung Lee ,  Minwoo Lim ,  Junghyun Choi ,  Sungsoo Han

IPC: H01M4/133 ,  H01M4/62 ,  H01M4/1393 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/1395 ,  H01M4/48 ,  H01M4/587 ,  H01M4/38 ,  H01M4/134

Abstract: An electrode composite conducting agent for a lithium battery includes a carbonaceous conductive material, and the graphene-silica composite, wherein the graphene-silica composite includes a matrix including graphene, and a silicon suboxide of the formula SiOx wherein 0

公开(公告)号：US12199271B2

公开(公告)日：2025-01-14

申请号：US18316830

申请日：2023-05-12

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

Inventor： Junghyun Choi ,  Inhyuk Son ,  Mijong Kim ,  Sangkook Mah ,  Jumyeung Lee ,  Minwoo Lim ,  Sungsoo Han

IPC: H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/02

Abstract: A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.

公开(公告)号：US10974965B2

公开(公告)日：2021-04-13

申请号：US16253639

申请日：2019-01-22

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

Inventor： Jongseok Moon ,  Mijong Kim ,  Sewon Kim ,  Kyueun Shim ,  Sungsoo Han ,  Inhyuk Son ,  Jumyeung Lee ,  Minwoo Lim

IPC: B32B9/00 ,  C01B33/023 ,  H01M4/38 ,  H01M4/48 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/36 ,  H01M4/04 ,  H01M4/587 ,  C01B33/00 ,  C01B32/186 ,  H01L35/14 ,  H01M4/583 ,  H01M4/134 ,  H01M10/0525 ,  C01B32/182 ,  C01B32/20 ,  B82Y40/00 ,  C01B33/113

Abstract: A silicon-containing structure including: a silicon composite including a porous silicon secondary particle and a first carbon flake on a surface of the porous silicon secondary particle; a carbonaceous coating layer on the porous silicon composite, the carbonaceous coating layer comprising a first amorphous carbon; and the silicon composite comprises a second amorphous carbon and has a density that is equal to or less than a density of the carbonaceous coating layer, wherein the porous silicon secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a second carbon flake on a surface of the silicon suboxide.

公开(公告)号：US20170077497A1

公开(公告)日：2017-03-16

申请号：US15205068

申请日：2016-07-08

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

Inventor： Ken OGATA ,  Koichi TAKEI ,  Kanghee Lee ,  Byoungsun Lee ,  Jaemyung Lee ,  Minwoo Lim

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/38

CPC classification number: H01M4/364 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M4/622 ,  H01M4/624 ,  H01M4/625 ,  H01M4/626 ,  H01M10/052 ,  H01M12/08 ,  Y02E60/128 ,  Y02T10/7011

Abstract: An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.

Abstract translation: 一种包括二次粒子的电极活性材料，所述二次粒子包括：包含含硅材料的多个一次粒子; 导电材料; 和化学交联的水不溶性聚合物。 还有一种包括电极活性材料的电极和二次电池以及制备电极活性材料的方法。

公开(公告)号：US11824198B2

公开(公告)日：2023-11-21

申请号：US16230946

申请日：2018-12-21

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

Inventor： Inhyuk Son ,  Mijong Kim ,  Jumyeung Lee ,  Minwoo Lim ,  Junghyun Choi ,  Sungsoo Han

IPC: H01M4/62 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/02 ,  H01M4/04 ,  H01M10/0565

CPC classification number: H01M4/625 ,  H01M4/02 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/364 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2004/027

Abstract: A porous silicon composite includes: a porous core including a porous silicon composite secondary particle; and a shell disposed on a surface of the porous core and surrounding the porous core, wherein the porous silicon composite secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a first graphene on a surface of the silicon suboxide, wherein the shell include a second graphene, and at least one of the first graphene and the second graphene includes at least one element selected from nitrogen, phosphorus, and sulfur.

公开(公告)号：US20230282807A1

公开(公告)日：2023-09-07

申请号：US18316830

申请日：2023-05-12

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

Inventor： Junghyun Choi ,  Inhyuk Son ,  Mijong Kim ,  Sangkook Mah ,  Jumyeung Lee ,  Minwoo Lim ,  Sungsoo Han

IPC: H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/0525

CPC classification number: H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M10/0525 ,  H01M2004/021

Abstract: A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.

公开(公告)号：US10516157B2

公开(公告)日：2019-12-24

申请号：US15205068

申请日：2016-07-08

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

Inventor： Ken Ogata ,  Koichi Takei ,  Kanghee Lee ,  Byoungsun Lee ,  Jaemyung Lee ,  Minwoo Lim

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/38

Abstract: An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.