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：US11575128B2

公开(公告)日：2023-02-07

申请号：US16675359

申请日：2019-11-06

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

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

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

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：US11984592B2

公开(公告)日：2024-05-14

申请号：US16989956

申请日：2020-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeokjo Gwon ,  Jusik Kim ,  Wooyoung Yang ,  Ryounghee Kim ,  Sewon Kim ,  Sungkyun Jung

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/131 ,  H01M4/133 ,  H01M4/36 ,  H01M10/0525

CPC classification number: H01M4/525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/366 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0028 ,  H01M2300/0071

Abstract: A composite solid electrolyte including: a porous nanostructure; and a solid electrolyte disposed on a surface of the porous nanostructure, wherein the composite solid electrolyte satisfies Equation 1

0

公开(公告)号：US20220166058A1

公开(公告)日：2022-05-26

申请号：US17404002

申请日：2021-08-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungkyun Jung ,  Hyeokjo Gwon ,  Jusik Kim

IPC: H01M10/0562 ,  H01M4/38

Abstract: A solid electrolyte includes: a crystalline composite, wherein the composite is a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof: 3LiF-M12O3   Formula 1 wherein, in Formula 1, M1 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M1 is not aluminum or yttrium, 3LiF-M2(OH)3   Formula 2 wherein, in Formula 2, M2 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M2 is not aluminum or yttrium.

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：US20190221809A1

公开(公告)日：2019-07-18

申请号：US16196729

申请日：2018-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunchul Lee ,  Junhwan Ku ,  Hyeokjo Gwon ,  Nagjong Kim ,  Chilhee Chung ,  Sangmin Ji ,  Jinkyu Kang ,  Changduk Kang ,  Ryounghee Kim ,  Minsang Kim ,  Euncheol Do ,  Kitae Park ,  Sunghaeng Lee

IPC: H01M2/16 ,  H01M10/052 ,  C08J5/22

CPC classification number: H01M2/1626 ,  C08J5/2212 ,  H01M2/1686 ,  H01M10/052

Abstract: Provided herein are a porous film, a separator including the same, an electrochemical device including the separator, and a method of preparing the porous film. The porous film includes first cellulose nanofibers which is impregnated with a carbonate-based solvent-containing electrolyte solution and has a reaction heat of 150 J/g or less at a temperature ranging from about 30° C. to about 300° C., as measured by differential scanning calorimetry (DSC).

公开(公告)号：US12206066B2

公开(公告)日：2025-01-21

申请号：US17404002

申请日：2021-08-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungkyun Jung ,  Hyeokjo Gwon ,  Jusik Kim

IPC: H01M10/05 ,  H01M4/38 ,  H01M10/0562

Abstract: A solid electrolyte includes: a crystalline composite, wherein the composite is a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof: 3LiF-M12O3  Formula 1 wherein, in Formula 1, M1 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M1 is not aluminum or yttrium, 3LiF-M2(OH)3  Formula 2 wherein, in Formula 2, M2 is an element having an oxidation number of +3, or a combination thereof, with the proviso that M2 is not aluminum or yttrium.

公开(公告)号：US11837695B2

公开(公告)日：2023-12-05

申请号：US16925547

申请日：2020-07-10

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01M10/0525 ,  H01M10/0562

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/0077

Abstract: An oxide including a compound represented by Formula 1:

(LixM1y)(M2)3-δ(M3)2-ωO12-zXz  Formula 1

wherein, in Formula 1,



6≤x≤8, 0≤y

公开(公告)号：US11721834B2

公开(公告)日：2023-08-08

申请号：US17139632

申请日：2020-12-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yan Wang ,  Lincoln Miara ,  Jeong-Ju Cho ,  Sung-Kyun Jung ,  Hyeokjo Gwon

IPC: H01M10/0562 ,  H01M10/052 ,  H01M4/38 ,  H01M4/40 ,  C01B21/083 ,  H01M4/02

CPC classification number: H01M10/0562 ,  C01B21/083 ,  H01M4/382 ,  H01M4/405 ,  H01M10/052 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2002/78 ,  C01P2002/88 ,  C01P2006/40 ,  H01M2004/027 ,  H01M2300/0068

Abstract: A solid-state ion conductor includes a compound of Formula 1:

Li3a+b−(c*N)NaClbXc  Formula 1

wherein, in Formula 1, X is an anion having an average oxidation state of n and is −3≤n≤−1, and is at least one of Br, I, F, O, S, or P; and 1≤a≤4, 1≤b≤3, 0

公开(公告)号：US11611103B2

公开(公告)日：2023-03-21

申请号：US16914937

申请日：2020-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ryounghee Kim ,  Yan Wang ,  Lincoln Miara ,  Hyeokjo Gwon ,  Sewon Kim ,  Jusik Kim ,  Sungkyun Jung

IPC: H01M10/0562 ,  H01M4/40 ,  H01M4/38 ,  H01B1/08 ,  H01M4/36 ,  C01G27/00 ,  H01M12/06 ,  H01M12/08 ,  H01M4/62 ,  C01G35/00 ,  H01M10/052

Abstract: A solid ion conductor compound includes a compound represented by Formula 1: Li6−wHf2−xMxO7−yZy  Formula 1 where, in Formula 1, M is an element having an oxidation number of a and a is 5, 6, or a combination thereof, Z is an element having an oxidation number of −1, and 0