公开(公告)号：US10446872B2

公开(公告)日：2019-10-15

申请号：US15226179

申请日：2016-08-02

Applicant: Samsung Electronics Co., Ltd. ,  MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Gerbrand Ceder ,  Jaechul Kim ,  Lincoln Miara ,  William Richards ,  Tomoyuki Tsujimura ,  Yan Wang ,  Naoki Suzuki

IPC: H01M10/0562 ,  H01M10/0525 ,  C01B25/14 ,  C01B17/22

Abstract: A solid electrolyte material represented by Formula 1: L1+2x(M1)1−x(M2)(M3)4  Formula 1 wherein 0.25

公开(公告)号：US20190140265A1

公开(公告)日：2019-05-09

申请号：US15970144

申请日：2018-05-03

Applicant: Samsung Electronics Co., Ltd. ,  The Regents of the University of California ,  Massachusetts Institute of Technology

Inventor： Lincoln Miara ,  Yan Wang ,  Tomoyuki Tsujimura ,  Yuichi Aihara ,  William Richards ,  Gerbrand Ceder

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/58 ,  H01M4/587 ,  H01M4/38 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/058 ,  C01G53/00 ,  C01B25/45 ,  C01B35/12 ,  C01D15/04

Abstract: A positive electrode active material includes a core and a coating disposed on at least a portion of a surface of the core. The core includes a lithium metal oxide, a lithium metal phosphate, or a combination thereof. The coating includes a compound according to the formula LimM1nXp, wherein M1, X, m, n and p are as defined herein. Also, an electrochemical cell including the positive electrode active material, and methods for the manufacture of the positive electrode active material and the electrochemical cell.

公开(公告)号：US11961962B2

公开(公告)日：2024-04-16

申请号：US17209579

申请日：2021-03-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wonsung Choi ,  Gabin Yoon ,  Tomoyuki Tsujimura ,  Toshinori Sugimoto

IPC: H01M10/0562 ,  C01F17/36 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  C01F17/36 ,  H01M10/0525 ,  H01M2300/008

Abstract: A solid ion conductor compound including Li, Ho, and a halogen element, wherein the compound has diffraction peaks at 30°2θ to 33°2θ, 33°2θ to 36°2θ, 40°2θ to 44°2θ, and 48°2θ to 52°28θ, when analyzed using CuKα radiation, and wherein a full width at half maximum of at least one peak at 40°2θ to 44°2θ is 0.3°2θ or greater.

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：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：US11245131B2

公开(公告)日：2022-02-08

申请号：US15354614

申请日：2016-11-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tomoyuki Tsujimura ,  Naoki Suzuki ,  Yuichi Aihara

IPC: H01M10/0562 ,  H01M10/052 ,  H01M4/62

Abstract: A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0

公开(公告)号：US20160226095A1

公开(公告)日：2016-08-04

申请号：US14698691

申请日：2015-04-28

Applicant: Samsung Electronics, Co. Ltd. ,  Massachusetts Institute of Technology

Inventor： William D. Richards ,  Shyue Ping Ong ,  Yifei Mo ,  Gerbrand Ceder ,  Lincoln Miara ,  Tomoyuki Tsujimura ,  Yan Wang ,  Young-Gyoon Ryu ,  Naoki Suzuki ,  Ichiro Uechi

IPC: H01M10/0562 ,  C01B25/14 ,  H01M10/054

CPC classification number: H01M10/0562 ,  C01B25/14 ,  C01P2002/30 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/381 ,  H01M10/05 ,  H01M2300/0068

Abstract: A sodium-conductive solid-state electrolyte material includes a compound of the composition Na10MP2S12, wherein M is selected from Ge, Si, and Sn. The material may have a conductivity of at least 1.0×10−5 S/cm at a temperature of about 300K and may have a tetragonal microstructure, e.g., a skewed P1 crystallographic structure. Also provided are an electrochemical cell that includes the sodium-conductive solid-state electrolyte material and a method for producing the sodium-conductive solid electrolyte material via controlled thermal processing parameters.

Abstract translation: 导电固态电解质材料包括组成Na 10 MP 2 S 12的化合物，其中M选自Ge，Si和Sn。 该材料在约300K的温度下可以具有至少1.0×10 -5 S / cm的导电率，并且可以具有四方晶系微结构，例如倾斜的P1晶体结构。 还提供了包括导电固态电解质材料的电化学电池以及通过受控热处理参数制备导电固体电解质材料的方法。