公开(公告)号：US11909037B2

公开(公告)日：2024-02-20

申请号：US18060681

申请日：2022-12-01

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

Inventor： Hongsoo Choi ,  Hyeokjo Gwon ,  Soyeon Kim ,  Hyunseok Kim ,  Wonseok Chang

IPC: H01M4/48 ,  H01M4/525 ,  H01M4/505 ,  H01M10/05 ,  H01M10/0525 ,  H01M4/38 ,  H01M10/0565 ,  C08F12/26 ,  H01M4/02

CPC classification number: H01M4/382 ,  C08F12/26 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2004/027 ,  H01M2004/028

Abstract: A positive electrode includes a composite material including a positive active material and a coating layer on a surface of the positive active material, wherein the coating layer includes a copolymer including a first repeating unit represented by Formula 1 below and a second repeating unit represented by Formula 2 below:




wherein Ar1, R1 to R6, A, A1,





Y−, m, and n are the same as defined in the specification.

公开(公告)号：US20230137721A1

公开(公告)日：2023-05-04

申请号：US17966989

申请日：2022-10-17

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Wonseok Chang ,  Jong Hyeok Park ,  Seungsik Hwang ,  Jusik Kim

IPC: H01M4/62 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0562 ,  H01M4/134 ,  H01M4/04

Abstract: An anode interlayer including a composite, the composite including: a first metal having electrochemical reactivity to lithium; and a second metal having no electrochemical reactivity to lithium, wherein the second metal has a non-spherical structure, and the first metal is disposed on at least one surface of the second metal.

公开(公告)号：US20220416235A1

公开(公告)日：2022-12-29

申请号：US17847328

申请日：2022-06-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jusik Kim ,  Myungjin Lee ,  Wonseok Chang ,  Sung Heo ,  Ryounghee Kim ,  Sewon Kim ,  Gabin Yoon

IPC: H01M4/48 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/40 ,  H01M4/587 ,  H01M10/0562 ,  H01M10/058

Abstract: An all-solid secondary battery includes: a cathode layer including a cathode active material; an anode layer including an anode current collector, a first anode active material layer, and a second anode active material layer between the anode current collector and the first anode active material layer; and a solid electrolyte layer between the cathode layer and the anode layer and including a solid electrolyte, wherein the first anode active material layer is adjacent to the solid electrolyte layer, has pores, and contains a metal or metal alloy capable of forming an alloy or a compound with lithium, and the second anode active material layer includes a second anode active material including a carbon anode active material and optionally a metal or metalloid anode active material.

公开(公告)号：US11462803B2

公开(公告)日：2022-10-04

申请号：US16202429

申请日：2018-11-28

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

Inventor： Saebom Ryu ,  Yonggun Lee ,  Toshinori Sugimoto ,  Dongmin Im ,  Wonseok Chang

IPC: H01M50/449 ,  H01M10/0525 ,  H01M10/056 ,  H01M50/403 ,  H01M50/411

Abstract: A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.

公开(公告)号：US11349148B2

公开(公告)日：2022-05-31

申请号：US16236867

申请日：2018-12-31

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

Inventor： Wonseok Chang ,  Hyorang Kang ,  Soyeon Kim ,  Jirai Kim ,  Toshinori Sugimoto ,  Yonggun Lee ,  Dongmin Im ,  Shintaro Kitajima

IPC: H01M10/056 ,  H01M10/052 ,  H01M4/74 ,  H01M10/0585 ,  H01M4/02

Abstract: An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; and a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte includes a first liquid electrolyte and at least one of lithium metal or a lithium metal alloy.

公开(公告)号：US11152642B2

公开(公告)日：2021-10-19

申请号：US16567091

申请日：2019-09-11

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

Inventor： Myungjin Lee ,  Victor Roev ,  Wonseok Chang ,  Seoksoo Lee ,  Dongmin Im

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/0587

Abstract: A hybrid electrolyte includes: an inorganic solid electrolyte; and an organic electrolyte, wherein the organic electrolyte includes an organic salt including an organic cation and an organic anion, and the organic cation includes a halogen. An electrode and a solid-state secondary battery each includes the hybrid electrolyte.

公开(公告)号：US10818913B2

公开(公告)日：2020-10-27

申请号：US16102162

申请日：2018-08-13

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Toshinori Sugimoto ,  Dongmin Im ,  Wonseok Chang

IPC: H01M4/134 ,  H01M10/052 ,  H01M10/0569 ,  H01M2/16 ,  H01M4/04 ,  H01M10/0565 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/36 ,  H01M4/38 ,  H01M10/42 ,  H01M4/02

Abstract: A negative electrode for a metal battery, the negative electrode a metal substrate; and a protective layer disposed directly on at least a portion of the metal substrate, wherein the protective layer comprises an ion-conductive oligomer, wherein the ion-conductive oligomer comprises an ion-conductive structural unit in at least one of a main chain and a side chain of the an ion-conductive oligomer, and at least two hydrogen-bond-forming functional groups at different ends of the ion-conductive oligomer, and wherein the protective layer has a thickness of 5 micrometers or less.

公开(公告)号：US10763545B2

公开(公告)日：2020-09-01

申请号：US15056200

申请日：2016-02-29

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

Inventor： Hongsoo Choi ,  Tomonobu Mizumo ,  Yonggun Lee ,  Wonseok Chang ,  Toshinori Sugimoto ,  Myungjin Lee

IPC: H01M10/052 ,  H01M10/0565 ,  B01J41/14 ,  C08F112/14 ,  C09D125/18 ,  H01M10/05 ,  C08F12/26

Abstract: An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: wherein, in Formula 1, CY, R1, R2, R3, X1−, n, and m are the same as described in the specification.

公开(公告)号：US20190198911A1

公开(公告)日：2019-06-27

申请号：US16030120

申请日：2018-07-09

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

Inventor： Jirae Kim ,  Hyorang Kang ,  Soyeon Kim ,  Dongmin Im ,  Wonseok Chang

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

CPC classification number: H01M10/0468 ,  H01M2/0257 ,  H01M10/0525

Abstract: A lithium secondary battery includes: a lithium secondary cell including a surface parallel to an electrode surface, a single-body pressing structure configured to apply pressure to the surface of the lithium secondary cell, wherein the pressing structure is configured to contract and expand in response to a change of volume of the lithium secondary cell; and a housing that accommodates the lithium secondary cell and the pressing structure, wherein an area of a surface of the lithium secondary battery which is parallel to the electrode surface is less than an area of a surface of the lithium secondary battery which is orthogonal to the electrode surface.

公开(公告)号：US09786950B2

公开(公告)日：2017-10-10

申请号：US14624968

申请日：2015-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yonggun Lee ,  Yooseong Yang ,  Jenam Lee ,  Wonseok Chang ,  Hongsoo Choi

IPC: C08G77/442 ,  H01M10/0565 ,  C08L65/00 ,  H01B1/12 ,  H01M2/16 ,  C08F230/08

CPC classification number: H01M10/0565 ,  C08F230/08 ,  C08G77/442 ,  C08G2261/144 ,  C08G2261/18 ,  C08G2261/312 ,  C08G2261/512 ,  C08L65/00 ,  H01B1/122 ,  H01M2/1673 ,  H01M2300/0082 ,  H01M2300/0085 ,  H01M2300/0094

Abstract: An organic-inorganic silicon structure-containing block copolymer including a first domain including an ion conductive polymer block; and a second domain including a polymer block including a non-conducting polymer and an organic-inorganic silicon structure, wherein the organic-inorganic silicon structure is connected to a side chain connected to a backbone of the non-conducting polymer.