公开(公告)号：US20190296343A1

公开(公告)日：2019-09-26

申请号：US16117978

申请日：2018-08-30

Applicant: KABUSHIKI KAISHA TOSHIBA ,  Toshiba Infrastructure Systems & Solutions Corporaton

Inventor： Yasuhiro HARADA ,  Norio TAKAMI ,  Tetsuya SASAKAWA ,  Yusuke NAMIKI ,  Yasunobu YAMASHITA

IPC: H01M4/485 ,  C01G33/00 ,  H01M4/36 ,  H01M10/0525 ,  H01M2/30 ,  H01M2/10 ,  B60L11/18

Abstract: According to one embodiment, an active material is provided. The active material includes an Nb2TiO7 phase and at least one Nb-rich phase selected from the group consisting of an Nb10Ti2O29 phase, an Nb14TiO37 phase, and an Nb24TiO64 phase. The active material satisfies a peak intensity ratio represented by the following Formula (1). 0

公开(公告)号：US20190198871A1

公开(公告)日：2019-06-27

申请号：US16257230

申请日：2019-01-25

Applicant: KABUSHIKI KAISHA TOSHIBA ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Keigo HOSHINA ,  Ryo HARA ,  Dai YAMAMOTO ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M4/485 ,  C01G33/00 ,  H01M4/505 ,  H01M4/131

CPC classification number: H01M4/485 ,  C01G33/00 ,  C01G33/006 ,  C01P2004/38 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

Abstract: A nonaqueous electrolyte battery according to one embodiment includes a negative electrode, a positive electrode and a nonaqueous electrolyte. The negative electrode includes a negative electrode active material-containing layer. The negative electrode active material-containing layer contains a negative electrode active material containing an orthorhombic Na-containing niobium titanium composite oxide. The positive electrode includes a positive electrode active material-containing layer. The positive electrode active material-containing layer contains a positive electrode active material. A mass C [g/m2] of the positive electrode active material per unit area of the positive electrode and a mass A [g/m2] of the negative electrode active material per unit area of the negative electrode satisfy the formula (1): 0.95≤A/C≤1.5.

公开(公告)号：US20180277908A1

公开(公告)日：2018-09-27

申请号：US15702031

申请日：2017-09-12

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Tetsuya SASAKAWA ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M10/42 ,  H01M2/10 ,  H01M10/05 ,  H01M4/36 ,  H01M4/48 ,  H01M10/058

CPC classification number: H01M10/4257 ,  H01M2/1077 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/1673 ,  H01M2/24 ,  H01M4/131 ,  H01M4/362 ,  H01M4/48 ,  H01M4/485 ,  H01M6/045 ,  H01M10/05 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0565 ,  H01M10/058 ,  H01M10/425 ,  H01M2004/027 ,  H01M2010/4271 ,  H01M2220/20 ,  H01M2300/0071 ,  H01M2300/0082 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided a secondary battery including a negative electrode active material-containing layer, a positive electrode active material-containing layer, and an electrical insulation layer. The electrical insulation layer is provided between the negative electrode active material-containing layer and the positive electrode active material-containing layer and contains electrically insulating particles. The particle size distribution of the electrically insulating particles includes at least two peaks.

公开(公告)号：US20180277906A1

公开(公告)日：2018-09-27

申请号：US15698895

申请日：2017-09-08

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kazuomi YOSHIMA ,  Tetsuya SASAKAWA ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M10/42 ,  H01M10/0525 ,  H01M2/10

CPC classification number: H01M10/4257 ,  H01M2/024 ,  H01M2/1077 ,  H01M2/14 ,  H01M2/266 ,  H01M2/305 ,  H01M10/0413 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: In one embodiment, a secondary battery includes two or more electrode groups. The negative electrode tabs of one of the electrode groups and the positive electrode tabs of the other electrode group are arranged in rows. One of the positive electrode tabs of one of the electrode groups and the negative electrode tabs of the other electrode group is disposed at the other end in the second direction. The other is disposed at one end in the second direction at a position different from those of the negative electrode tabs of one of the electrode groups and the positive electrode tabs of the other electrode group that are connected in series.

公开(公告)号：US20180277905A1

公开(公告)日：2018-09-27

申请号：US15697574

申请日：2017-09-07

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuhiro HARADA ,  Norio TAKAMI ,  Kazuomi YOSHIMA

IPC: H01M10/42 ,  H01M4/485 ,  H01M4/62 ,  H01M10/05 ,  H01M2/10

CPC classification number: H01M10/4257 ,  H01M2/1077 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/621 ,  H01M4/624 ,  H01M10/05 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/027 ,  H01M2010/4271 ,  H01M2220/20 ,  H01M2300/0065 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided an electrode construct including an active material-containing layer and a sodium ion-blocking layer. The active material-containing layer contains a sodium-containing titanium composite oxide having a crystal structure belonging to a space group Cmca or a space group Fmmm. The sodium ion-blocking layer is disposed on a surface of the active material-containing layer. The sodium ion-blocking layer contains a material impermeable to sodium ions.

公开(公告)号：US20180277843A1

公开(公告)日：2018-09-27

申请号：US15692760

申请日：2017-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kazuhiro YASUDA ,  Tomoko SUGIZAKI ,  Kazuomi YOSHIMA ,  Takuya IWASAKI ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M4/485 ,  H01M10/0525

CPC classification number: H01M4/485 ,  B60L50/30 ,  B60L50/66 ,  C01P2002/30 ,  C01P2002/32 ,  H01M2/1646 ,  H01M2/1673 ,  H01M2/1686 ,  H01M4/131 ,  H01M4/385 ,  H01M10/0525 ,  H01M10/625 ,  H01M2004/027 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, an electrode composite is provided. The electrode composite includes a negative electrode active material-containing layer and an insulating particle layer. The negative electrode active material-containing layer includes negative electrode active material secondary particles having an average secondary particle size of from 1 μm to 30 μm. The insulating particle layer is provided on the negative electrode active material-containing layer. The insulating particle layer includes a first surface and a second surface opposed to the first surface. The first surface is in contact with the negative electrode active material-containing layer. The second surface has a surface roughness of 0.1 μm or less.

公开(公告)号：US20180277842A1

公开(公告)日：2018-09-27

申请号：US15692685

申请日：2017-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Fumihiro TEJIMA ,  Yasuhiro HARADA ,  Kazuki ISE ,  Norio TAKAMI

IPC: H01M4/485 ,  H01M10/0525 ,  H01M2/10 ,  B60L11/18

CPC classification number: H01M4/485 ,  B60L50/64 ,  B60L58/12 ,  B60L58/21 ,  C01G23/005 ,  C01G33/006 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2/1077 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided an active material including particles of a composite oxide having an orthorhombic crystal structure and represented by the general formula Li2+wNa2−xM1yTi6−zM2zO14−δ. The particles of the composite oxide have an average crystallite size of 50 nm to 90 nm and an average primary particle size of 0.1 μm to 0.6 μm. M1 is at least one selected from the group consisting of Cs and K. M2 is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Y, Co, Mn, and Al. w falls within 0≤w≤4, x falls within 0

公开(公告)号：US20180083252A1

公开(公告)日：2018-03-22

申请号：US15443494

申请日：2017-02-27

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kazuomi YOSHIMA ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M2/20 ,  H01M2/10 ,  H01M10/44 ,  H01M10/0565 ,  H01M10/42 ,  B60L7/10 ,  B60L3/00 ,  B60L11/18

CPC classification number: H01M2/206 ,  B60L3/0046 ,  B60L7/10 ,  B60L50/64 ,  H01M2/1077 ,  H01M2/202 ,  H01M2/22 ,  H01M2/26 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0565 ,  H01M10/425 ,  H01M10/441 ,  H01M2220/20 ,  H01M2300/0082 ,  H01M2300/0085 ,  Y10S903/907

Abstract: An assembled battery includes non-aqueous electrolyte batteries laminated with each other and at least one lead being interposed between two adjacent batteries. The lead is connected to the two adjacent batteries and has an area larger than that of a side surface of each battery, the side surface being opposing to the lead. Each battery includes at least one positive electrode, at least one negative electrode and a non-aqueous electrolyte. The positive electrode includes a current collector and positive electrode active material layers provided on both side surfaces of the collector. The negative electrode includes a negative electrode current collector and negative electrode active material layers provided on both side surfaces of the collector.

公开(公告)号：US20170358825A1

公开(公告)日：2017-12-14

申请号：US15688215

申请日：2017-08-28

Applicant: Kabushiki Kaisha Toshiba

Inventor： Kazuomi YOSHIMA ,  Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M10/0565 ,  H01M10/0525 ,  H01M4/485 ,  C08F14/26 ,  C08F14/22

CPC classification number: H01M10/0565 ,  C08F14/22 ,  C08F14/26 ,  C09D127/16 ,  H01M4/485 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/056 ,  H01M10/0585 ,  H01M2300/0017 ,  H01M2300/0071 ,  H01M2300/0088 ,  H01M2300/0091 ,  Y02T10/7011 ,  C08K3/01

Abstract: The present invention is provided to reduce the influence of expansion and contraction of an active material, form a favorable interface between the solid electrolyte and the active material, and increase ion conductivity in the electrolyte, thereby obtaining a wide operation temperature range. A secondary battery composite electrolyte includes an inorganic compound having an Li ion conductivity at room temperature that is 1×10−10 S/cm or more and having particle diameter of 0.05 μm or more and less than 8 μm, and an organic electrolyte. The weight ratio between the organic electrolyte and the inorganic compound is 0.1% or more and 20% or less.

公开(公告)号：US20170271665A1

公开(公告)日：2017-09-21

申请号：US15432268

申请日：2017-02-14

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro HARADA ,  Norio TAKAMI

IPC: H01M4/485 ,  H01M10/44 ,  B60L11/18 ,  H01M10/42

CPC classification number: H01M4/485 ,  B60L11/1809 ,  C01G23/003 ,  C01G33/006 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2/1077 ,  H01M10/052 ,  H01M10/425 ,  H01M10/44 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P20/133 ,  Y02T10/7011

Abstract: According to one embodiment, an active material is provided. The active material includes a composite oxide including yttrium atoms in an orthorhombic crystal structure thereof. Also included in the orthorhombic crystal structure of the composite oxide is at least one selected from the group consisting of alkali metal atoms and alkaline earth metal atoms. Among crystal sites represented by Wyckoff notations in the orthorhombic crystal structure, an occupancy of crystal sites that can be occupied by the alkali metal atoms or by the alkaline earth metal atoms is less than 100%.