公开(公告)号：US20230155109A1

公开(公告)日：2023-05-18

申请号：US18157105

申请日：2023-01-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Naoki SUZUKI ,  Nobuyoshi YASHIRO ,  Yuichi AIHARA

IPC: H01M4/133 ,  H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/134

CPC classification number: H01M4/133 ,  H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M4/364 ,  H01M4/38 ,  H01M4/587 ,  H01M4/134 ,  H01M2004/027

Abstract: An all-solid lithium secondary battery, including: a cathode including a cathode active material layer; a solid electrolyte layer; and an anode including an anode active material layer, which forms an alloy or a compound with lithium, wherein the cathode, the solid electrolyte is between the cathode and the anode, wherein the anode active material layer includes about 33 weight percent to about 95 weight percent of an amorphous carbon with respect to the total mass of an anode active material in the anode active material layer, and a ratio of the initial charge capacity of the cathode active material layer to the initial charge capacity of the anode active material layer satisfies 0.01

公开(公告)号：US20210408522A1

公开(公告)日：2021-12-30

申请号：US17471250

申请日：2021-09-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Seitaro ITO ,  Taku WATANABE ,  Yuichi AIHARA ,  Takanobu YAMADA

IPC: H01M4/134 ,  H01M4/1395 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/44 ,  H01M4/38

Abstract: An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.

公开(公告)号：US20190067695A1

公开(公告)日：2019-02-28

申请号：US16113100

申请日：2018-08-27

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

Inventor： Seitaro ITO ,  Ulderico ULISSI ,  Yuichi AIHARA ,  Alberto VARZI ,  Stefano PASSERINI

IPC: H01M4/58 ,  H01M4/136 ,  H01M10/0525

Abstract: An all-solid-state secondary battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a sulfur-containing positive electrode active material, a halogen-containing sulfide solid electrolyte, and a conductive carbon material, and wherein the sulfur-containing positive electrode active material includes elemental sulfur and a transition metal disulfide.

公开(公告)号：US20180226633A1

公开(公告)日：2018-08-09

申请号：US15890472

申请日：2018-02-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Seitaro ITO ,  Taku WATANABE ,  Yuichi AIHARA ,  Takanobu YAMADA

IPC: H01M4/134 ,  H01M4/1395 ,  H01M4/04 ,  H01M4/38 ,  H01M4/42 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/44

CPC classification number: H01M4/134 ,  H01M4/0404 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/387 ,  H01M4/42 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/44 ,  H01M2004/027 ,  H01M2300/0068

Abstract: An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.

公开(公告)号：US20180090752A1

公开(公告)日：2018-03-29

申请号：US15466409

申请日：2017-03-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Tomoyuki SHIRATSUCHI ,  Yuichi AIHARA

IPC: H01M4/36 ,  H01M4/58 ,  H01M10/0562 ,  H01M4/485 ,  H01M10/0525

CPC classification number: H01M4/364 ,  C01B25/45 ,  H01M4/366 ,  H01M4/485 ,  H01M4/5825 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M2004/028 ,  H01M2300/0068

Abstract: A cathode active material including a first composite oxide represented by Formula (1): xV2O5.Li3PO4  (1) wherein, in Formula 1, x satisfies 2

公开(公告)号：US20170288228A1

公开(公告)日：2017-10-05

申请号：US15460711

申请日：2017-03-16

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  MIE UNIVERSITY

Inventor： Seitaro ITO ,  Tomonobu MIZUMO ,  Yuichi AIHARA ,  Takahito ITOH ,  Takahiro UNO

IPC: H01M4/60 ,  H01M10/0525 ,  C07C255/34 ,  H01M10/0569 ,  H01M10/0565 ,  H01M10/0568 ,  H01M4/38 ,  H01M10/0562

CPC classification number: C07C255/34 ,  H01M4/606 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/0565 ,  H01M2300/0068 ,  H01M2300/0082

Abstract: An electrode active material including at least one selected from a quinodimethane derivative and a lithium salt thereof, wherein the quinodimethane derivative has at least three linearly-condensed aryl groups and at least two quinodimethane moieties.

公开(公告)号：US20160156021A1

公开(公告)日：2016-06-02

申请号：US14951624

申请日：2015-11-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yuichi AIHARA ,  Heidy Hodex VISBALMENDOZA ,  Seitaro ITO

IPC: H01M4/131 ,  H01M10/0562 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/62

CPC classification number: H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0562

Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode particle including a positive active material particle, wherein the positive electrode particle comprises a first coating layer on a surface of the positive active material particle wherein the first coating layer includes a carbonaceous material, and a second coating layer on the first coating layer, wherein the second coating layer includes a lithium-containing compound, and a sulfide solid electrolyte contacting the positive electrode particle.

Abstract translation: 1.一种锂离子二次电池用正极，所述正极具有包含正极活性物质粒子的正极粒子，所述正极粒子在所述正极活性物质粒子的表面上具有第一被覆层，所述第一被覆层包含 碳质材料和第一涂层上的第二涂层，其中第二涂层包含含锂化合物和与正极颗粒接触的硫化物固体电解质。

公开(公告)号：US20150147660A1

公开(公告)日：2015-05-28

申请号：US14551657

申请日：2014-11-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Yuichi AIHARA ,  Hajime TSUCHIYA

IPC: H01M10/0562 ,  H01M10/058

Abstract: An all solid secondary battery including a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, wherein at least one of the positive electrode layer, the negative electrode layer, and the solid electrolyte layer includes a solid electrolyte including a first binder that is insoluble in a non-polar solvent and is non-continuously present in at least one of the positive electrode layer, the negative electrode layer, and the solid electrolyte layer, and a second binder that is soluble in non-polar solvent and is continuously present in at least one of the positive electrode layer, the negative electrode layer, and the solid electrolyte layer, wherein a solubility parameter of the first binder and a solubility parameter of the second binder are different from each other.

Abstract translation: 包括正极层的全固体二次电池; 负极层; 以及设置在正极层和负极层之间的固体电解质层，其中正极层，负极层和固体电解质层中的至少一个包括固体电解质，其包含不溶于第一粘合剂的第一粘合剂 非极性溶剂，并且不连续地存在于正电极层，负极层和固体电解质层中的至少一个中，以及可溶于非极性溶剂并且至少连续存在的第二粘合剂 正电极层，负极层和固体电解质层中的一个，其中第一粘合剂的溶解度参数和第二粘合剂的溶解度参数彼此不同。

公开(公告)号：US20200161699A1

公开(公告)日：2020-05-21

申请号：US16683457

申请日：2019-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seitaro ITO ,  Tomoyuki TSUJIMURA ,  Yuichi AIHARA

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M4/38 ,  H01M4/525 ,  H01M4/505 ,  C01G53/00

Abstract: An all-solid secondary battery includes: a cathode layer including a cathode active material; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein at least one of the cathode layer, the anode layer, or the solid electrolyte layer includes a phase-transition solid electrolyte material, wherein upon heating, the phase-transition solid electrolyte material undergoes a phase transition from a first phase to a second phase, and the second phase has an ionic conductivity less than the ionic conductivity of the first phase.

公开(公告)号：US20180351159A1

公开(公告)日：2018-12-06

申请号：US15990898

申请日：2018-05-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Takanobu YAMADA ,  Tomoyuki SHIRATSUCHI ,  Yuichi AIHARA

IPC: H01M4/133 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/38 ,  H01M4/66 ,  H01M4/36

Abstract: An all-solid secondary battery including: a cathode including a cathode active material layer; an anode including an anode active material layer; and a solid electrolyte layer including a sulfide solid electrolyte between the cathode active material layer and the anode active material layer, wherein an arithmetic mean roughness (Ra) of an interface between the cathode active material layer and the solid electrolyte layer is about 1 micrometer or less, and a relative density of the solid electrolyte layer is about 80% or more.