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：US20230011360A1

公开(公告)日：2023-01-12

申请号：US17537839

申请日：2021-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Heo ,  Kihong Kim ,  Jusik Kim ,  Ryounghee Kim ,  Wooyoung Yang ,  Myungjin Lee

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/04

Abstract: A protected anode, an electrochemical device including the same, and a method of preparing the electrochemical device. The protected anode may include: an anode layer; and a protective layer including an oxide represented by Formula 1, on the anode layer: In Formula 1, A is at least one of Ge, Sb, Bi, Se, Sn, or Pb; M is at least one of In, Tl, Sb, Bi, S, Se, Te, or Po; A and M are different from each other; and 0

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.

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：US11901510B2

公开(公告)日：2024-02-13

申请号：US16852513

申请日：2020-04-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myungjin Lee ,  Jusik Kim ,  Ryounghee Kim ,  Victor Roev

IPC: H01M10/0568 ,  H01M4/36 ,  H01M10/0562 ,  H01M4/62 ,  C08F120/38 ,  C08F112/14

CPC classification number: H01M10/0568 ,  C08F112/30 ,  C08F120/38 ,  H01M4/362 ,  H01M4/62 ,  H01M10/0562 ,  H01M2300/0025 ,  H01M2300/0068 ,  H01M2300/0088

Abstract: Provided are a cathode hybrid electrolyte for a solid secondary battery, a cathode including the cathode hybrid electrolyte, a method of preparing the cathode, and a solid secondary battery including the cathode hybrid electrolyte, wherein the cathode hybrid electrolyte includes an ion conductor represented by Formula 1, and an ionic liquid, where at least a portion of the anions of the ionic liquid comprise the same anionic moiety —Y− of the ion conductor,




where, in Formula 1, X, R1 to R3, Y−, and n are the same as defined in the detailed description.

公开(公告)号：US20240006595A1

公开(公告)日：2024-01-04

申请号：US18342893

申请日：2023-06-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jusik Kim ,  Sewon Kim ,  Yongsu Kim ,  Ryounghee Kim ,  Myungjin Lee

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/583 ,  H01M4/485 ,  H01M4/40 ,  H01M10/0562

CPC classification number: H01M4/366 ,  H01M4/0404 ,  H01M4/583 ,  H01M4/485 ,  H01M4/405 ,  H01M10/0562 ,  H01M2004/027

Abstract: An all-solid-state battery including a cathode including a cathode active material; an anode including an anode current collector, a first anode active material layer, and a second anode active material layer; and a solid electrolyte arranged between the cathode and the anode, wherein the first anode active material layer is arranged adjacent to the solid electrolyte and comprises M1-M2Ox, Li-M1-M2Ox, or a combination thereof, wherein the first metal and the second metal are each independently at least one element that reacts with lithium to form a lithium alloy or compound, x>0, the second anode active material layer is arranged between the anode current collector and the first anode active material layer and includes a second anode active material, and the second anode active material includes a carbon-containing anode active material, or a carbon-containing anode active material, and at least one of a metallic or metalloid anode active material.

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：US20220158229A1

公开(公告)日：2022-05-19

申请号：US17467749

申请日：2021-09-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ryounghee Kim ,  Gabin Yoon ,  Jusik Kim

IPC: H01M10/0562 ,  H01M10/0525

Abstract: Provided are an oxide including a compound represented by Formula 1, a method of preparing the same, a solid electrolyte including the oxide, and an electrochemical device including the oxide: LiaTa2-yAyP1-xMxO8-zXz  Formula 1 wherein, in Formula 1, M is an element having an oxidation number of +3, A is an element having an oxidation number of +4, +5, or +6, or a combination thereof, when A is an element having an oxidation number of +4, a is 1+y+2x−z, when A is an element having an oxidation number of +5, a is 1+2x−z, when A is an element having an oxidation number of +6, a is 1−y+2x−z, X is a halogen atom or a pseudohalogen, and 0≤y

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).