公开(公告)号：US20180145316A1

公开(公告)日：2018-05-24

申请号：US15816095

申请日：2017-11-17

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

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

IPC: H01M4/38 ,  H01M10/052 ,  H01M4/36 ,  H01M4/62 ,  H01M4/04

CPC classification number: H01M4/386 ,  H01G11/24 ,  H01G11/38 ,  H01G11/42 ,  H01G11/50 ,  H01M4/04 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/364 ,  H01M4/366 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/027 ,  Y02E60/13

Abstract: A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula SiOx, wherein 0

公开(公告)号：US20180097235A1

公开(公告)日：2018-04-05

申请号：US15718386

申请日：2017-09-28

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

Inventor： Jeeeun Yang ,  Seunguk Kwon ,  Kyueun Shim ,  Hyoungwoo Choi ,  Sungsoo Han

IPC: H01M4/62 ,  H01M4/38 ,  H01M10/052

Abstract: A negative electrode for a lithium secondary battery includes: a negative active material disposed on a current collector; a negative active material layer including a first binder and a conductive agent; and a protective layer disposed on the negative active material layer, wherein the protective layer is in direct contact with the current collector and includes a nonaqueous or aqueous second binder and an inorganic material, wherein, in the protective layer including the aqueous second binder and the inorganic material, the amount of the inorganic material may be about 65 parts by weight or greater, based on 100 parts by weight of the protective layer, and wherein the protective layer including the nonaqueous second binder and the inorganic material, the amount of the inorganic material may be in a range of about 5 parts to about 25 parts by weight, based on 100 parts by weight of the protective layer.

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：US11569500B2

公开(公告)日：2023-01-31

申请号：US17189837

申请日：2021-03-02

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

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

IPC: H01M4/38 ,  H01M4/1393 ,  H01M4/134 ,  H01M4/1395 ,  H01G11/24 ,  H01M4/36 ,  H01G11/42 ,  H01G11/50 ,  H01G11/38 ,  H01M4/04 ,  H01M4/62 ,  H01M10/052 ,  H01M4/02

Abstract: A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula SiOx, wherein 0

公开(公告)号：US20210202938A1

公开(公告)日：2021-07-01

申请号：US17189837

申请日：2021-03-02

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

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

IPC: H01M4/38 ,  H01M4/1393 ,  H01M4/134 ,  H01M4/1395 ,  H01G11/24 ,  H01M4/36 ,  H01G11/42 ,  H01G11/50 ,  H01G11/38 ,  H01M4/04 ,  H01M4/62 ,  H01M10/052

Abstract: A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula SiOx, wherein 0

公开(公告)号：US10930923B2

公开(公告)日：2021-02-23

申请号：US15860932

申请日：2018-01-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ken Ogata ,  Dong-Su Ko ,  Seongho Jeon ,  Koichi Takei ,  Sungsoo Han ,  Junho Lee

IPC: H01M4/13 ,  H01M4/36 ,  H01M4/58 ,  H01M4/48 ,  H01M4/485 ,  H01M4/60 ,  H01M10/052 ,  H01M4/38 ,  H01M4/62 ,  H01M4/134 ,  H01M4/04 ,  H01M4/1395 ,  H01M4/02 ,  G01N27/12

Abstract: A topological quantum framework includes a plurality of one-dimensional nanostructures disposed in different directions and connected to each other, wherein a one-dimensional nanostructure of the plurality of one-dimensional nanostructures includes a first composition including a metal capable of incorporating and deincorporating lithium, and wherein the topological quantum framework is porous.

公开(公告)号：US10236490B2

公开(公告)日：2019-03-19

申请号：US15073684

申请日：2016-03-18

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungrim Yang ,  Byungmin Lee ,  Bokyung Jung ,  Myungkook Park ,  Eon-Mi Lee ,  Sungsoo Han ,  Hana Kim ,  Jungsue Jang ,  Minho Cho ,  Hyoungwoo Choi

IPC: H01M2/16 ,  H01M10/052

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including a crosslinked binder and a non-crosslinked binder, wherein the crosslinked binder has a cross-linked structure of at least one crosslinkable compound, the at least one crosslinkable compound including a multi-functional urethane-based compound, and the crosslinked binder and the non-crosslinked binder are included in a weight ratio of about 3:7 to about 8:2.

公开(公告)号：US20180083272A1

公开(公告)日：2018-03-22

申请号：US15708255

申请日：2017-09-19

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

Inventor： Inhyuk Son ,  Jumyeung Lee ,  Seongyong Park ,  Jungho Lee ,  Sungsoo Han

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/38 ,  H01M4/48 ,  H01M10/04 ,  H01L35/22 ,  H01L35/32

CPC classification number: H01M4/366 ,  H01L35/22 ,  H01L35/32 ,  H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/386 ,  H01M4/483 ,  H01M4/485 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0427 ,  H01M10/0525 ,  H01M2004/027

Abstract: A porous silicon composite cluster comprising: a porous core comprising a porous silicon composite secondary particle, wherein the silicon composite secondary particle comprises an aggregate of two or more silicon composite primary particles, and the silicon composite primary particles each comprise silicon, a silicon oxide of the Formula SiOx, wherein 0

公开(公告)号：US20180006297A1

公开(公告)日：2018-01-04

申请号：US15398016

申请日：2017-01-04

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd. ,  Seoul National University R&DB Foundation

Inventor： Kanghee Lee ,  Byoungsun Lee ,  Woongryeol Yu ,  Sungsoo Han ,  Hosung Yang ,  Jihyun Yoon

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

Abstract: A composite electrode active material includes: a carbon nanostructure shell; a first core material disposed in a first pore channel of the carbon nanostructure shell; and a second core material disposed in a second pore channel of the carbon nanostructure shell, wherein the first core material includes a first electrode active material and the second core material includes a second electrode active material, and wherein the first electrode active material has a Li+/Li charge/discharge voltage potential which is different from a Li+/Li charge/discharge voltage potential of the second electrode active material.