公开(公告)号：US10431798B2

公开(公告)日：2019-10-01

申请号：US15540466

申请日：2015-12-22

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

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

IPC: H01M2/16 ,  C08J5/22 ,  C08L71/02 ,  H01M10/052 ,  H01M10/42 ,  H01M10/0525

Abstract: Provided are a separator for a lithium secondary battery including a substrate and a heat-resistance porous layer disposed on at least one surface of the substrate and including a cross-linked binder, wherein the cross-linked binder has a cross-linking structure of a compound represented by Chemical Formula 2, and a lithium secondary battery including the same.

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：US20190044130A1

公开(公告)日：2019-02-07

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: H01M4/36 ,  H01M4/58 ,  H01M4/48 ,  H01M4/485 ,  H01M4/60 ,  H01M10/052 ,  H01M4/38 ,  H01M4/62

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：US11616236B2

公开(公告)日：2023-03-28

申请号：US16599343

申请日：2019-10-11

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

Inventor： Koichi Takei ,  Woojin Bae ,  Kanghee Lee ,  Seongho Jeon ,  Heechul Jung ,  Sungsoo Han

IPC: C08F216/06 ,  H01M4/62 ,  H01M4/1393 ,  H01M10/0569 ,  H01M10/0525 ,  C08F220/06 ,  H01M4/36

Abstract: A binder including a metal salt of a graft copolymer, which is a polymerization product of polyvinyl alcohol, an ethylenically unsaturated carboxylic acid, and a polymerizable monomer having a long-chain alkyl group.

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：US11150170B2

公开(公告)日：2021-10-19

申请号：US16381214

申请日：2019-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Boksoon Kwon ,  Youngsuk Jung ,  Heechul Jung ,  Eunha Lee ,  Seongho Jeon ,  Sungsoo Han

IPC: G01N3/14 ,  H01M10/42 ,  G01N3/20 ,  G01N3/26 ,  H02J7/00

Abstract: An apparatus for measuring a deformation stiffness of an article includes a force measuring means configured to measure a force generated in a thickness direction of the article; a thickness measuring means configured to measure a thickness of the article; and a data processor configured to differentiate force with respect to thickness to calculate the deformation stiffness of the article, wherein each of the force and the thickness are a result of a volume change of the article.

公开(公告)号：US10964937B2

公开(公告)日：2021-03-30

申请号：US16137863

申请日：2018-09-21

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

Inventor： Heechul Jung ,  Woojin Bae ,  Guesung Kim ,  Koichi Takei ,  Seongho Jeon ,  Sungsoo Han

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/137 ,  H01M4/38 ,  H01M4/04 ,  H01M4/583 ,  H01M4/134 ,  H01M4/62 ,  H01M4/139 ,  H01M4/02

Abstract: A negative active material including an active material core; and a polymer layer disposed on a surface of the active material core, wherein the polymer layer includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer is at least one of polyamic acid, polyimide, or a combination thereof, and includes a first functional group; and the second polymer is water-soluble and includes a second functional group, and wherein the first polymer and the second polymer are cross-linked by an ester bond that is formed through at least one reaction starting from the first functional group and the second functional group, and at least one of the first polymer and the second polymer further includes a halogen group.

公开(公告)号：US10756350B2

公开(公告)日：2020-08-25

申请号：US15656476

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Woojin Bae ,  Seunguk Kwon ,  Sangkook Mah ,  Jeeeun Yang ,  Dukhyoung Yoon ,  Sungsoo Han

IPC: H01M4/62 ,  H01M4/60 ,  C08G73/10 ,  C08G81/02 ,  C08L87/00 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M6/16 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0567

Abstract: A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.

公开(公告)号：US10454086B2

公开(公告)日：2019-10-22

申请号：US15082369

申请日：2016-03-28

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

Inventor： Bokyung Jung ,  Byungmin Lee ,  Seungrim Yang ,  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 includes a substrate and a heat-resistant porous layer on at least one side of the substrate. The heat-resistant porous layer includes a crosslinked binder. The crosslinked binder has a cross-linked structure of a crosslinkable compound including a siloxane compound. The siloxane compound includes a siloxane resin including a unit represented by the chemical formula R1SiO3/2, where R1 is a curable reactive group, or an organic group having a curable reactive group.

公开(公告)号：US20190280325A1

公开(公告)日：2019-09-12

申请号：US16183853

申请日：2018-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngsuk Jung ,  Boksoon Kwon ,  Eunha Lee ,  Seongho Jeon ,  Heechul Jung ,  Sungnim Jo ,  Sungsoo Han

IPC: H01M10/04 ,  H01M2/10

Abstract: Battery housing structures and battery apparatuses including the same are provided. A battery housing structure may include a case including an accommodation region in which a battery unit is accommodated, and an elastic member assembly provided in the case and configured to apply a pressure to the battery unit accommodated in the accommodation region. The elastic member assembly may include at least one first elastic member having an elastic coefficient that increases when a displacement increases and at least one second elastic member having an elastic coefficient that decreases when a displacement increases. The at least one first elastic member and the at least one second elastic member may have different structures or may be arranged in different directions.