公开(公告)号：US11742478B2

公开(公告)日：2023-08-29

申请号：US17976316

申请日：2022-10-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sewon Kim ,  Sungkyun Jung ,  Naoki Suzuki ,  Satoshi Fujiki ,  Tomoyuki Tsujimura ,  Hyeokjo Gwon ,  Jusik Kim

IPC: H01M4/00 ,  H01M4/36 ,  H01M10/052 ,  H01M4/40 ,  H01M4/38 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/587 ,  H01M4/02

CPC classification number: H01M4/366 ,  H01M4/043 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/382 ,  H01M4/405 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/027 ,  H01M2300/0071

Abstract: An all-solid secondary battery, including: a cathode; an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the anode comprises an anode current collector; a first anode active material layer in contact with the anode current collector and comprising a first metal; a second anode active material layer disposed between the first anode active material layer and the solid electrolyte layer and comprising a carbon-containing active material; and a contact layer between the second anode active material layer and the solid electrolyte layer, and disposed such that the contact layer prevents contact between the second anode active material layer and the solid electrolyte layer, wherein the contact layer comprises a second metal, and has a thickness less than a thickness of the first anode active material layer.

公开(公告)号：US11728510B2

公开(公告)日：2023-08-15

申请号：US16881629

申请日：2020-05-22

Applicant: Samsung Electronics Co., Ltd. ,  The Florida State University Research Foundation, Inc.

Inventor： Ryounghee Kim ,  Jeongju Cho ,  Lincoln Miara ,  Sawankumar Patel ,  Yan Wang ,  Yan-Yan Hu ,  Hyeokjo Gwon ,  Sewon Kim ,  Jusik Kim ,  Sungkyun Jung

IPC: H01M10/0562 ,  H01M10/0525 ,  C01B25/45 ,  C01B25/455 ,  C01B33/32

CPC classification number: H01M10/0562 ,  C01B25/45 ,  C01B25/455 ,  C01B33/32 ,  H01M10/0525 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/86 ,  C01P2002/88 ,  C01P2006/40 ,  H01M2300/008 ,  H01M2300/0074

Abstract: A solid conductor including:



a compound represented by Formula 1, a compound represented by Formula 2,
or a combination thereof

Li1+x+y−zTa2−xMxP1−yQyO8−zXz  Formula 1

wherein, in Formula 1,

M is an element having an oxidation number of +4,
Q is an element having an oxidation number of +4,
X is a halogen, a pseudohalogen, or a combination thereof, and

0≤x≤2, 0≤y

公开(公告)号：US11605812B2

公开(公告)日：2023-03-14

申请号：US17093989

申请日：2020-11-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sewon Kim ,  Sungkyun Jung ,  Naoki Suzuki ,  Satoshi Fujiki ,  Tomoyuki Tsujimura ,  Hyeokjo Gwon ,  Jusik Kim

IPC: H01M4/00 ,  H01M4/36 ,  H01M10/052 ,  H01M4/40 ,  H01M4/38 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/587 ,  H01M4/02

Abstract: An all-solid secondary battery, including: a cathode; an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the anode comprises an anode current collector; a first anode active material layer in contact with the anode current collector and comprising a first metal; a second anode active material layer disposed between the first anode active material layer and the solid electrolyte layer and comprising a carbon-containing active material; and a contact layer between the second anode active material layer and the solid electrolyte layer, and disposed such that the contact layer prevents contact between the second anode active material layer and the solid electrolyte layer, wherein the contact layer comprises a second metal, and has a thickness less than a thickness of the first anode active material layer.

公开(公告)号：US11575152B2

公开(公告)日：2023-02-07

申请号：US16914859

申请日：2020-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ryounghee Kim ,  Yan Wang ,  Lincoln Miara ,  Hyeokjo Gwon ,  Sewon Kim ,  Jusik Kim ,  Victor Roev ,  Myungjin Lee ,  Sungkyun Jung

IPC: H01M10/0562 ,  C01B25/45 ,  C01B25/455 ,  C01B33/32 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525

Abstract: An oxide includes a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof: Li1−x+y−zTa2−xMxP1−yQyO8−zXz  Formula 1 wherein, in Formula 1, M is an element having an oxidation number of 5+ or 6+, Q is an element having an oxidation number of 4+, X is a halogen atom, a pseudohalogen, or a combination thereof, 0≤x

公开(公告)号：US20200036032A1

公开(公告)日：2020-01-30

申请号：US16517302

申请日：2019-07-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyeokjo Gwon ,  Jinkyu Kang ,  Kitae Park ,  Hyunchul Lee ,  Ryounghee Kim ,  Euncheol Do ,  Soojin Park ,  Sangmin Ji

IPC: H01M10/052 ,  H01M10/0567 ,  H01M2/14 ,  H01M2/16

Abstract: Provided herein is a lithium battery including: a cathode including a cathode active material; an anode including an anode active material; an electrolyte between the cathode and the anode; and a separator impregnated with the electrolyte, wherein the separator includes cellulose nanofibers, and wherein a differential scanning calorimetry (DSC) thermogram of the separator evinces an exothermic reaction peak, represented by a differential value (dH/dT), at a temperature in a range of about 150° C. to about 200° C.