公开(公告)号：US20190260065A1

公开(公告)日：2019-08-22

申请号：US16280610

申请日：2019-02-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nobuyoshi YASHIRO ,  Seitaro ITO ,  Tomoyuki SHIRATSUCHI ,  Yuichi AIHARA

IPC: H01M10/04 ,  H01M4/46 ,  H01M4/38 ,  H01M4/133

Abstract: An all-solid-state secondary battery including: a positive electrode active material layer including a positive electrode active material and a sacrificial positive electrode material having an oxidation-reduction potential which is less than a discharge voltage of the positive electrode active material; and a negative electrode active material layer including a negative electrode active material including an element alloyable with lithium or that forms a compound with lithium; and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer, wherein the sacrificial positive electrode material includes a sacrificial active material and a conductive agent.

公开(公告)号：US20190157723A1

公开(公告)日：2019-05-23

申请号：US16196252

申请日：2018-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Naoki SUZUKI ,  Nobuyoshi YASHIRO ,  Takanobu YAMADA ,  Yuichi AIHARA

IPC: H01M10/0585 ,  H01M10/44 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/66 ,  H01M4/38 ,  H01M4/36

Abstract: An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01

公开(公告)号：US20190148769A1

公开(公告)日：2019-05-16

申请号：US16180552

申请日：2018-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yuichi AIHARA ,  Tomoyuki TSUJIMURA

IPC: H01M10/0562 ,  H01M10/0525

Abstract: A solid electrolyte for an all-solid secondary battery, wherein the solid electrolyte has a composition represented by Formula (1): Li7-xPS6-xBrx  (1) wherein 1.2

公开(公告)号：US20180219219A1

公开(公告)日：2018-08-02

申请号：US15848074

申请日：2017-12-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seitaro ITO ,  Yuichi AIHARA

IPC: H01M4/36 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/628 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/028 ,  H01M2300/0068

Abstract: A lithium ion secondary battery includes: a positive electrode; a negative electrode wherein least one of the positive electrode and the negative electrode includes an electrode active material composite including an electrode active material particle, and a needle-shaped crystal of a first sulfide solid electrolyte in contact with the electrode active material particle, wherein the needle-shaped crystal has an aspect ratio of greater than 2; and a second sulfide solid electrolyte between the positive electrode and the negative electrode and in contact with the electrode active material composite.

公开(公告)号：US20170069912A1

公开(公告)日：2017-03-09

申请号：US15260540

申请日：2016-09-09

Applicant: Samsung Electronics Co., Ltd. ,  TOHOKU TECHNO ARCH CO., LTD.

Inventor： Itaru HONMA ,  Murukanahally Kempaiah DEVARAJU ,  Yuichi AIHARA ,  Seitaro ITO

IPC: H01M4/525 ,  H01M4/131 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/1391

CPC classification number: H01M4/525 ,  C01G53/54 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2004/04 ,  C01P2004/20 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2006/40 ,  H01M10/0525

Abstract: A lithium ion secondary battery including: a cathode including a plurality cathode active material particles; an electrolyte; and an anode, wherein a cathode active material particle of the plurality of cathode active material particles has a plate-shaped crystal structure having an aspect ratio of 2 to 1000, wherein a major surface in at least one direction of the plate-shaped crystal structure is a 111 face, wherein the cathode active material particle also has a spinel-type crystal structure, and wherein the cathode active material particle has a composition represented by the formula LiCo2-xNixO4, wherein 0

Abstract translation: 一种锂离子二次电池，包括：包含多个正极活性物质粒子的阴极; 电解液 阳极，其中所述多个正极活性物质粒子的正极活性物质粒子具有纵横比为2〜1000的板状晶体结构，其中，所述板状晶体结构的至少一个方向的主面 是111面，其中正极活性物质粒子也具有尖晶石型晶体结构，其中正极活性物质粒子具有由式LiCo 2-x NixO 4表示的组成，其中0

公开(公告)号：US20170018802A1

公开(公告)日：2017-01-19

申请号：US15209922

申请日：2016-07-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ryo OMODA ,  Yuichi AIHARA ,  Seitaro ITO ,  Takanobu YAMADA

IPC: H01M10/0565 ,  H01M4/133 ,  H01M4/38 ,  H01M4/587 ,  H01M4/40 ,  H01M10/0525 ,  H01M4/134

CPC classification number: H01M10/0562 ,  H01M4/136 ,  H01M4/382 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5815 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/056 ,  Y02T10/7011

Abstract: An electrolyte for a secondary battery, the electrolyte including: an organic solvent; and a lithium ion conductive solid electrolyte represented by the formula LiaPbSc wherein 3

Abstract translation: 其中3

公开(公告)号：US20160181600A1

公开(公告)日：2016-06-23

申请号：US14955137

申请日：2015-12-01

Applicant: ULVAC, INC. ,  Samsung Electronics Co., Ltd.

Inventor： Ryo OMODA ,  Takanobu YAMADA ,  Haruhisa NAKANO ,  Hirohiko MURAKAMI ,  Naoki TSUKAHARA ,  Tatsuhiro NOZUE ,  Yoshiaki FUKUDA ,  Yuichi AIHARA

IPC: H01M4/38 ,  H01M10/052 ,  H01M4/04 ,  H01M4/62

CPC classification number: H01M4/38 ,  H01M4/0416 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/139 ,  H01M4/622 ,  H01M4/625 ,  H01M10/052

Abstract: A positive electrode for an alkali metal-sulfur battery, the positive electrode including: a porous conductive material layer including a plurality of nanocarbon structures of a conductive material, wherein the conductive material defines a plurality of pores between the plurality of nanocarbon structures of the conductive material; sulfur, which is contained in the plurality of pores of the porous conductive material layer; and a polymer film disposed directly on at least a portion of the porous conductive material layer.

Abstract translation: 1.一种碱金属硫电池用正极，其特征在于，所述正极包括：多孔导电材料层，其包含导电性材料的多个纳米碳结构体，其中，所述导电材料在所述多个导电性纳米碳结构体之间形成多个孔 材料; 硫，其包含在多孔导电材料层的多个孔中; 以及直接设置在多孔导电材料层的至少一部分上的聚合物膜。

公开(公告)号：US20140162147A1

公开(公告)日：2014-06-12

申请号：US14097676

申请日：2013-12-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ryo OMODA ,  Yuichi AIHARA ,  Hiroyuki NISHIDE ,  Satoshi NAKAJIMA ,  Natsuru CHIKUSHI

IPC: H01M12/08

CPC classification number: H01M12/08 ,  H01M4/382 ,  H01M4/60 ,  Y02E60/128

Abstract: An electrochemical device including: a positive electrode including oxygen as a positive active material; a negative electrode including a lithium ion-intercalatable/deintercalatable material as a negative active material; and an electrolytic solution in fluid communication with the positive electrode and the negative electrode and including a solvent and an oxygen absorbing/desorbing material with an oxygen binding rate of about 60 to about 95% in a pure oxygen atmosphere.

Abstract translation: 一种电化学装置，包括：正极，其包括作为正极活性物质的氧; 负极，其包含作为负极活性物质的锂离子 - 可插入/脱嵌性材料; 和与正极和负极流体连通的电解液，在纯氧气氛中含有约60〜约95％的氧结合率的溶剂和氧吸收/解吸材料。

公开(公告)号：US20140162139A1

公开(公告)日：2014-06-12

申请号：US14098571

申请日：2013-12-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Koji HOSHIBA ,  Satoshi FUJIKI ,  Takanobu YAMADA ,  Yuichi AIHARA

IPC: H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/133 ,  H01M4/134

Abstract: A solid-state battery including a cathode, an anode, and a solid-state electrolyte layer including a solid-state electrolyte, wherein the solid-state electrolyte layer is disposed between the cathode and the anode, wherein the anode includes an anode active material, a first binder, and a second binder, the first binder is inactive to the solid-state electrolyte, the second binder has a tensile modulus greater than a tensile modulus of the first binder, and the second binder has a binding force which is greater than a binding force of the first binder.

Abstract translation: 一种固体电池，包括阴极，阳极和包含固态电解质的固态电解质层，其中所述固态电解质层设置在所述阴极和所述阳极之间，其中所述阳极包括阳极活性材料 第一粘合剂和第二粘合剂，所述第一粘合剂对所述固态电解质无活性，所述第二粘合剂的拉伸模量大于所述第一粘合剂的拉伸模量，并且所述第二粘合剂具有较大的粘合力 而不是第一粘结剂的粘合力。

公开(公告)号：US20240291029A1

公开(公告)日：2024-08-29

申请号：US18647292

申请日：2024-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seitaro ITO ,  Tomoyuki TSUJIMURA ,  Yuichi AIHARA

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

CPC classification number: H01M10/0562 ,  C01G53/42 ,  C01G53/50 ,  H01M4/382 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0585 ,  C01P2002/72 ,  C01P2006/40 ,  H01M2300/0068

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.