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：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。

公开(公告)号：US20140162141A1

公开(公告)日：2014-06-12

申请号：US14099202

申请日：2013-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Satoshi FUJIKI ,  Hironari TAKASE

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

CPC classification number: H01M4/628 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0562 ,  Y02E60/122

Abstract: A positive electrode for an all-solid battery including a positive active material; a conductive material; and a binder, wherein the positive electrode further includes a cyano compound represented by Formula 1: M[A(CN)x]  Formula 1 wherein in Formula 1, A is at least one selected from boron, gallium, aluminum, fluorine, phosphorus, and carbon, M is at least one alkali metal, and x is an integer of 1 to 4.

Abstract translation: 一种包括正极活性材料的全固态电池的正电极; 导电材料; 和粘合剂，其中所述正极还包括由式1表示的氰基化合物：M [A（CN）x]式1其中在式1中，A是选自硼，镓，铝，氟，磷中的至少一种， 和碳，M是至少一种碱金属，x是1至4的整数。

公开(公告)号：US20230055212A1

公开(公告)日：2023-02-23

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

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：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：US20160079597A1

公开(公告)日：2016-03-17

申请号：US14855495

申请日：2015-09-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Yuichi AIHARA

IPC: H01M4/52 ,  H01M4/36 ,  H01M10/0562 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: An all-solid lithium ion secondary battery including a positive electrode including a positive active material particle and a solid electrolyte particle in contact with the positive active material particle, wherein the positive active material particle includes: a lithium cobalt oxide (LCO) particle; a first coating layer which includes nickel and is on at least a portion of a surface of the lithium cobalt oxide particle; and element M1, selected from B, Mg, Al, Si, Sc, Ti, V, Cr, Mn, Fe, Cu, Zn, Ga, Y, Zr, Nb, Mo, Ru, In, Sn, Sb, La, Ce, Pr, Eu, Tb, Hf, Ta, and Pb.

Abstract translation: 一种全固体锂离子二次电池，包括正极和正极活性物质粒子接触的正极活性物质粒子和固体电解质粒子，其中所述正极活性物质粒子包括：锂钴氧化物（LCO）粒子; 第一涂层，其包含镍并且在所述锂钴氧化物颗粒的表面的至少一部分上; 选自B，Mg，Al，Si，Sc，Ti，V，Cr，Mn，Fe，Cu，Zn，Ga，Y，Zr，Nb，Mo，Ru，In，Sn，Sb，La， Ce，Pr，Eu，Tb，Hf，Ta和Pb。

公开(公告)号：US20160049646A1

公开(公告)日：2016-02-18

申请号：US14818736

申请日：2015-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Satoshi FUJIKI ,  Yuichi AIHARA

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/1391 ,  H01M10/0562 ,  H01M4/04 ,  H01M10/052 ,  H01M4/38

CPC classification number: H01M4/366 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: A lithium secondary battery wherein the cathode layer comprises a cathode active material particle having a coating layer that is on at least a portion of a surface of the cathode active material particle, and a solid electrolyte particle which is in contact with the coating layer, wherein an average particle diameter of the cathode active material secondary particle is in a range of about 3 micrometers to about 10 micrometers, wherein the coating layer is amorphous and contains at least one element selected from metal elements not including nickel, and semi-metal elements, and wherein a mole ratio of the at least one element of the coating layer and all of the metal elements, not including lithium, or semi-metal elements in the cathode active material particle is in a range of about 0.1 mole percent to about 10 mole percent.

Abstract translation: 一种锂二次电池，其中所述阴极层包括具有在所述正极活性物质颗粒的表面的至少一部分上的涂层的正极活性物质颗粒和与所述涂层接触的固体电解质颗粒，其中， 正极活性物质二次粒子的平均粒径在约3微米〜约10微米的范围内，其中涂层是无定形的并且包含至少一种选自不包括镍的金属元素和半金属元素， 并且其中所述涂层的所述至少一种元素与所述阴极活性材料颗粒中不包括锂或半金属元素的所有金属元素的摩尔比在约0.1摩尔％至约10摩尔的范围内 百分。