公开(公告)号：US11264615B2

公开(公告)日：2022-03-01

申请号：US16105045

申请日：2018-08-20

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

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

IPC: H01M2/14 ,  H01M4/62 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M10/0525 ,  C08J3/24 ,  H01M4/587 ,  H01M4/02 ,  H01M10/052

Abstract: A binder includes a cross-linked product of at least a first polymer, a second polymer, and a third polymer, wherein the cross-linked product is cross-linked by at least two ester bonds; the first polymer includes polyimide, polyamic acid, a copolymer thereof, or a combination thereof, wherein the first polymer includes a structural unit including an alkali metal and a structural unit including at least one hydroxyl functional group; the second polymer includes poly(acrylic acid), poly(methacrylic acid), a copolymer thereof, or a combination thereof; and the third polymer includes polyvinyl alcohol, polyacrylamide, polymethacrylamide, a copolymer thereof, or a combination thereof.

公开(公告)号：US10164252B2

公开(公告)日：2018-12-25

申请号：US14985544

申请日：2015-12-31

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

Inventor： Jeeeun Yang ,  Heechul Jung ,  Jinsoo Mun

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/42 ,  H01M4/46 ,  H01M4/62 ,  H01M10/052

Abstract: A composite anode active material includes a metal silicide core, a silicon shell, and a metal nitride and a carbon material that are dispersed in at least one surface of the silicon shell.

公开(公告)号：US09923197B2

公开(公告)日：2018-03-20

申请号：US14872251

申请日：2015-10-01

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

Inventor： Byoungsun Lee ,  Heechul Jung ,  Kanghee Lee ,  Jinhwan Park ,  Changhoon Jung ,  Kihong Kim ,  Yoonsok Kang ,  Dongyoung Kim

IPC: H01M4/36 ,  H01M4/133 ,  H01M4/134 ,  H01M4/131 ,  H01M4/38 ,  H01M4/46 ,  H01M4/485 ,  H01M4/139 ,  H01M4/587 ,  H01M10/052 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/463 ,  H01M4/485 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/027

Abstract: A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.

公开(公告)号：US20170092939A1

公开(公告)日：2017-03-30

申请号：US15072547

申请日：2016-03-17

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

Inventor： Guesung Kim ,  Jinsoo Mun ,  Heechul Jung

IPC: H01M4/36 ,  H01M4/60 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0569 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/38 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/386 ,  H01M4/582 ,  H01M4/587 ,  H01M4/604 ,  H01M4/622 ,  H01M4/625 ,  H01M4/628 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0034 ,  H01M2300/004

Abstract: A composite negative active material, and a negative electrode and a lithium secondary battery that include the composite negative active material, and a method of preparing the composite negative active material are disclosed. The composite negative active material includes: a core including a silicon material and a coating layer disposed on the core, wherein the coating layer includes a water-insoluble polymer composite in which at least one anionic component is chemically bonded to a water-soluble polymer, thereby improving lifespan characteristics of the composite negative active material.

公开(公告)号：US11005122B2

公开(公告)日：2021-05-11

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.

公开(公告)号：US10177374B2

公开(公告)日：2019-01-08

申请号：US14985561

申请日：2015-12-31

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

Inventor： Kanghee Lee ,  Heechul Jung ,  Byoungsun Lee ,  Junho Lee

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

Abstract: A silicon-containing negative active material may include a silicon particle and a coating layer surrounding the silicon particle, and the coating layer may include carbon and a metallic particle.

公开(公告)号：US09716295B2

公开(公告)日：2017-07-25

申请号：US14919100

申请日：2015-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Changhoon Jung ,  Euiseong Moon ,  Soohwan Sul ,  Jaeduck Jang ,  Heechul Jung ,  Byungjin Choi

IPC: H01M10/48 ,  H01M10/0525 ,  H01M10/04 ,  H01M2/02

CPC classification number: H01M10/48 ,  H01M2/0222 ,  H01M10/0427 ,  H01M10/0525 ,  H01M2220/30 ,  Y02T10/7011

Abstract: An in-situ coin cell includes a case, a cap coupled to the case, and an energy storage member disposed between the case and the cap, where a through hole is defined in at least one of the case and the cap, the energy storage member includes a current collector adjacent to the through hole, and another through hole is defined in the current collector. The in-situ coin cell may further include a transparent window between the current collector and at least one of the through holes.

公开(公告)号：US20160365572A1

公开(公告)日：2016-12-15

申请号：US15172259

申请日：2016-06-03

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

Inventor： Jinsoo Mun ,  Gyusung Kim ,  Heechul Jung ,  Junho Park

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

CPC classification number: H01M4/366 ,  H01M4/386 ,  H01M4/624 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/027

Abstract: A composite anode active material includes: a silicon anode active material, a metal nitride; and a metal fluoride, wherein the metal nitride and the metal fluoride are each independently disposed on at least one surface of the silicon anode active material.

Abstract translation: 复合阳极活性材料包括：硅阳极活性材料，金属氮化物; 和金属氟化物，其中金属氮化物和金属氟化物各自独立地设置在硅阳极活性材料的至少一个表面上。

公开(公告)号：US10439172B2

公开(公告)日：2019-10-08

申请号：US14614520

申请日：2015-02-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Changhoon Jung ,  Kihong Kim ,  Woosung Jeon ,  Heechul Jung

IPC: H01M2/02 ,  H01M2/04 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/48 ,  H01M4/134 ,  H01M4/66

Abstract: An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap.

公开(公告)号：US10164240B2

公开(公告)日：2018-12-25

申请号：US14983857

申请日：2015-12-30

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

Inventor： Gyusung Kim ,  Heechul Jung ,  Jinsoo Mun

IPC: H01M4/134 ,  H01M4/62 ,  H01M4/38 ,  H01M10/052 ,  H01M4/36 ,  H01M4/583 ,  H01M4/58 ,  H01M4/02

Abstract: A composite anode active material includes a silicon-based material, a metal fluoride, and a carbon-based material. The metal fluoride may be a compound represented by the following formula: MFx, where M is at least one selected from magnesium (Mg), aluminum (Al), titanium (Ti), copper (Cu), zinc (Zn), barium (Ba) and bismuth (Bi), and 0