公开(公告)号：US20160099463A1

公开(公告)日：2016-04-07

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 ,  H01M4/134 ,  H01M4/485 ,  H01M4/38 ,  H01M4/46 ,  H01M4/133 ,  H01M4/131

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.

Abstract translation: 包括压电材料的复合负极活性材料; 和负极活性物质。 还有一种包括复合负极活性材料的负极和包含负极的锂二次电池。

公开(公告)号：US20210119203A1

公开(公告)日：2021-04-22

申请号：US17075059

申请日：2020-10-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sewon Kim ,  Jusik Kim ,  Hyeokjo Gwon ,  Ryounghee Kim ,  Hyunseok Kim ,  Sungkyun Jung ,  Changhoon Jung

IPC: H01M4/36 ,  H01M10/0562 ,  H01M4/38 ,  H01M10/0525

Abstract: An all-solid secondary battery including: a cathode layer including a cathode active material; an anode layer; and a solid electrolyte layer including a solid electrolyte disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector, a first anode active material layer in contact with the solid electrolyte layer, and a second anode active material layer disposed between the anode current collector and the first anode active material layer, wherein the first anode active material layer includes a first metal and has a lithium-ion reduction potential greater than a reduction potential of the solid electrolyte, and wherein the second anode active material layer includes a second metal, and a solid solubility of lithium (Li) in the second metal is greater than a solid solubility of lithium in the first metal.

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：US20240258533A1

公开(公告)日：2024-08-01

申请号：US18493459

申请日：2023-10-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myungjin Lee ,  Jirae Kim ,  Jeongkuk Shon ,  Yongsu Kim ,  Jusik Kim ,  Changhoon Jung

IPC: H01M4/80 ,  H01M4/02 ,  H01M4/587 ,  H01M4/66

CPC classification number: H01M4/808 ,  H01M4/587 ,  H01M4/661 ,  H01M2004/021 ,  H01M2004/027

Abstract: An anode for a solid-state secondary battery, the anode including: a three-dimensional porous current collector including a plurality of pores having a lithiophilic property, and having a porosity of about 10 percent to about 99 percent, based on a total volume of the three-dimensional current collector, wherein pores of the plurality of the pores have a size and a pitch, and a ratio of the size to the pitch is about 0.1 to about 0.9; and a first anode active material layer disposed on a first side of the three-dimensional porous current collector, wherein the first anode active material layer is disposed in at least a portion of the pores of the three-dimensional porous current collector.

公开(公告)号：US20240030434A1

公开(公告)日：2024-01-25

申请号：US18474350

申请日：2023-09-26

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

Inventor： Kwangjin Park ,  Dongsu Ko ,  Kyoungmin Min ,  Changhoon Jung ,  Byungjin Choi

IPC: H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/04 ,  H01M4/485

CPC classification number: H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/0471 ,  H01M4/485 ,  H01M2004/028

Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

公开(公告)号：US20230146690A1

公开(公告)日：2023-05-11

申请号：US18089725

申请日：2022-12-28

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

Inventor： Kwangjin Park ,  Dongsu Ko ,  Kyoungmin Min ,  Changhoon Jung ,  Byungjin Choi

IPC: H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/04 ,  H01M4/485

CPC classification number: H01M4/525 ,  H01M4/366 ,  H01M4/0471 ,  H01M4/485 ,  H01M4/505 ,  H01M4/1391 ,  H01M10/052 ,  H01M2004/028

Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

公开(公告)号：US20220006125A1

公开(公告)日：2022-01-06

申请号：US17118527

申请日：2020-12-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myungjin Lee ,  Jusik Kim ,  Sewon Kim ,  Victor ROEV ,  Changhoon Jung ,  Intaek Han

IPC: H01M10/0585 ,  H01M4/62 ,  H01M4/36 ,  H01M4/587 ,  H01M4/38 ,  H01M4/40 ,  H01M10/0562 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525 ,  H01M10/0564 ,  C07D295/037

Abstract: An all-solid secondary battery includes a cathode layer including a cathode active material layer; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector and a first anode active material layer is disposed on the anode current collector, wherein the first anode active material layer includes an organic electrolyte and an anode active material that is capable of forming an alloy with lithium or a compound with lithium, and wherein the organic electrolyte includes an organic salt including an organic cation and an anion.

公开(公告)号：US20190006669A1

公开(公告)日：2019-01-03

申请号：US15860901

申请日：2018-01-03

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

Inventor： Kwangjin Park ,  Dongsu Ko ,  Kyoungmin Min ,  Changhoon Jung ,  Byungjin Choi

IPC: H01M4/525 ,  H01M4/505 ,  H01M10/052

Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

公开(公告)号：US09966782B2

公开(公告)日：2018-05-08

申请号：US15274223

申请日：2016-09-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong Hee Cho ,  Seong Woon Booh ,  Changhoon Jung ,  Eun Seog Cho

IPC: H02J7/00 ,  H01M4/00 ,  H01M10/00 ,  H01M10/44 ,  H01M10/0525 ,  H01M10/46 ,  H01M10/42 ,  H01M4/38 ,  H01M4/36 ,  H01M4/587 ,  H01M4/02

CPC classification number: H02J7/007 ,  H01M4/364 ,  H01M4/386 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/4257 ,  H01M10/441 ,  H01M10/46 ,  H01M2004/027 ,  H02J7/0021 ,  H02J7/0031

Abstract: A battery assembly including: at least one rechargeable lithium battery including a negative electrode including a silicon-containing negative active material selected from silicon, a silicon-carbon composite, and a combination thereof, and a positive electrode including a positive active material; a circuit board electrically connected to the battery assembly; and an outer terminal electrically connecting the battery assembly to an outer power or an outer load, wherein the circuit board includes a charge/discharge element for charging and discharging the battery assembly and a charge/discharge controller electrically connected to the battery assembly and the charge/discharge element, wherein the charge/discharge controller controls the charge and discharge of the battery assembly, and wherein a discharge cut-off voltage of the charge/discharge controller is predetermined as a voltage when LixSi present in the negative electrode during the discharge has an x value of less than or equal to about 1.25.

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.