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：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：US20210083252A1

公开(公告)日：2021-03-18

申请号：US17108139

申请日：2020-12-01

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01M2/16 ,  H01M4/133 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/66 ,  H01M4/36 ,  H01M4/38 ,  H01M4/131 ,  H01M4/134 ,  H01M4/62 ,  H01M10/04

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.

公开(公告)号：US20190190064A1

公开(公告)日：2019-06-20

申请号：US16143620

申请日：2018-09-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Takanobu YAMADA ,  Taku WATANABE ,  Yuichi AIHARA ,  Shiratsuchi TOMOYUKI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/131 ,  H01M4/62 ,  H01M4/66 ,  H01M10/04 ,  H01M4/52

CPC classification number: H01M10/0562 ,  H01M4/131 ,  H01M4/134 ,  H01M4/52 ,  H01M4/621 ,  H01M4/661 ,  H01M10/04 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0065

Abstract: An all-solid secondary battery, comprising: a cell comprising a positive electrode active material layer, a negative electrode active material comprising at least one of lithium metal and a lithium-containing alloy, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein a ratio of volume density to true density of the positive electrode active material layer is about 0.6 or greater, wherein a ratio of volume density to true density of the solid electrolyte layer is about 0.6 or greater, and wherein an average pressure applied to opposite sides of the solid electrolyte layer in a fully discharged state is greater than 0 megapascals and 7.5 megapascals or less.

公开(公告)号：US20190044146A1

公开(公告)日：2019-02-07

申请号：US16154198

申请日：2018-10-08

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01M4/62 ,  H01M10/0562 ,  H01M10/052 ,  H01M4/131 ,  H01M4/36 ,  H01M4/1391

Abstract: A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.

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.

公开(公告)号：US20170179481A1

公开(公告)日：2017-06-22

申请号：US15449092

申请日：2017-03-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takanobu YAMADA ,  Yasuaki MATSUDA ,  Masaki MATSUI ,  Yuichi AIHARA ,  Nobuyuki IMANISHI

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1397 ,  H01M10/0562 ,  H01M4/58

CPC classification number: H01M4/366 ,  H01M4/13 ,  H01M4/131 ,  H01M4/136 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/62 ,  H01M4/622 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.

公开(公告)号：US20160248120A1

公开(公告)日：2016-08-25

申请号：US15041201

申请日：2016-02-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takanobu YAMADA ,  Yuichi AIHARA

IPC: H01M10/0562 ,  H01M10/04 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0468 ,  H01M10/052 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02P70/54

Abstract: A solid state battery includes: a negative electrode layer including a negative electrode active material; a positive electrode layer including a positive electrode active material; and a solid electrolyte layer installed between the negative electrode layer and the positive electrode layer, wherein the solid electrolyte layer contacts the negative electrode layer and the positive electrode layer, and wherein the solid state battery satisfies Equation 1: {(Vp−V980)/Vp×100}≦3%   Equation 1 wherein Vp is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer, and V980 is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer under the total pressure of about 980 megapascals.

Abstract translation: 固体电池包括：负极层，包括负极活性物质; 包含正极活性物质的正极层; 以及固体电解质层，其设置在所述负极层和所述正极层之间，所述固体电解质层与所述负极层和所述正极层接触，所述固态电池满足式1：{（Vp-V980）/ Vp×100}≤3％等式1其中Vp是负极层，正极层和固体电解质层的总体积，V980是负极层，正极层和 固体电解质层总压力约为980兆帕。

公开(公告)号：US20160043392A1

公开(公告)日：2016-02-11

申请号：US14818626

申请日：2015-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Takanobu YAMADA ,  Yuichi AIHARA ,  Naoki SUZUKI

IPC: H01M4/38 ,  H01M4/583 ,  G01R31/36 ,  H01M10/0562 ,  H02J7/00 ,  H01M10/0525 ,  H01M4/62

CPC classification number: G01R31/3679 ,  H01M4/133 ,  H01M4/366 ,  H01M4/587 ,  H01M4/624 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/44 ,  H01M2300/0068 ,  H02J7/0029 ,  H02J2007/004

Abstract: A lithium ion secondary battery including a cathode layer, an anode layer including an anode active material and a coating including a metal element, wherein the coating is disposed on the anode active material; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the coating has an electrochemical reaction potential with lithium that is greater than an electrochemical reaction potential of the anode active material with lithium.

Abstract translation: 一种锂离子二次电池，包括阴极层，包括阳极活性材料的阳极层和包含金属元素的涂层，其中所述涂层设置在所述阳极活性材料上; 以及设置在所述阴极层和所述阳极层之间的固体电解质层，其中所述涂层具有大于所述负极活性物质与锂的电化学反应电位的锂的电化学反应电位。

公开(公告)号：US20150171431A1

公开(公告)日：2015-06-18

申请号：US14571488

申请日：2014-12-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takanobu YAMADA ,  Yuichi AIHARA ,  Satoshi FUJIKI

IPC: H01M4/70 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/04 ,  H01M10/058

CPC classification number: H01M4/70 ,  H01M2/1094 ,  H01M2/266 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/13 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585 ,  H01M2300/0068 ,  Y02T10/7011 ,  Y10T29/49115

Abstract: A secondary battery including a first electrode structure including a first electrode current collector, the first electrode current collector including a first electrode layer forming region and a first electrode layer non-forming region on each surface of the first electrode current collector, a second electrode structure including a second electrode current collector, the second electrode current collector including a second electrode layer forming region and a second electrode layer non-forming region on each surface of the second electrode current collector, wherein the first and second electrode layer non-forming regions respectively include first and second electrode current collector tab coupling regions in an interior portion of each of the first and second electrode layer forming regions, and wherein the first electrode structure, the second electrode structure, and an electrolyte layer disposed between the first electrode structure and the second electrode structure are enclosed with an exterior body.

Abstract translation: 一种二次电池，包括：第一电极集电体，包括第一电极层形成区域的第一电极集电体和第一电极集电体的每个表面上的第一电极层非形成区域的第一电极结构;第二电极结构体 包括第二电极集电器，所述第二电极集电器包括在所述第二电极集电体的每个表面上的第二电极层形成区域和第二电极层非形成区域，其中所述第一和第二电极层非成形区域分别 包括在第一和第二电极层形成区域的每一个的内部部分中的第一和第二电极集电极接合区域，并且其中第一电极结构，第二电极结构和设置在第一电极结构和第二电极结构之间的电解质层 第二电极结构被包围 与外部身体。