公开(公告)号：US20190088928A1

公开(公告)日：2019-03-21

申请号：US15914524

申请日：2018-03-07

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Takashi Kishi ,  Kazuomi Yoshima ,  Tomoko Sugizaki ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/131 ,  H01M10/44 ,  H01M10/0525

Abstract: According to one embodiment, there is provided an electrode group including an electrically insulating layer, a first electrode, and a second electrode. The second electrode is stacked in a first direction on the first electrode with the electrically insulating layer interposed therebetween. The first electrode includes plural first end portions in one or more second directions among directions orthogonal to the first direction. The plural first end portions are disposed at different positions in at least one of the second directions.

公开(公告)号：US10236501B2

公开(公告)日：2019-03-19

申请号：US14325728

申请日：2014-07-08

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Yasuhiro Harada ,  Kazuki Ise ,  Yorikazu Yoshida

IPC: H01M4/36 ,  H01M4/131 ,  H01M4/62 ,  H01M10/05 ,  H01M10/052 ,  H01M10/054 ,  H01M4/02 ,  H01M10/0525

Abstract: According to one embodiment, there is provided an active material including monoclinic niobium titanium composite oxide particles and a carbon material layer. The monoclinic niobium titanium composite oxide particles can absorb and release Li ions or Na ions and satisfy Formula (1) below. The carbon material layer covers at least a part of surfaces of the niobium titanium composite oxide particles and satisfies Formula (2) below: 0.5≤(α/β)≤2  (1) 0≤(γ/σ)≤0.1  (2)

公开(公告)号：US10020503B2

公开(公告)日：2018-07-10

申请号：US14957313

申请日：2015-12-02

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiroki Inagaki ,  Yasuhiro Harada ,  Yorikazu Yoshida ,  Kazuki Ise ,  Norio Takami

IPC: H01M4/485 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M10/052 ,  H01M4/58 ,  H01M4/02

CPC classification number: H01M4/485 ,  H01M4/0416 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: An active material for a battery contains a niobium composite oxide represented by the formula: LixM(1-y)NbyNb2O(7+δ), where M represents at least one kind selected from Ti and Zr. X, y, and δ are numbers respectively satisfying the following: 0≤x≤6, 0≤y≤1, and −1≤δ≤1.

公开(公告)号：US20170077547A1

公开(公告)日：2017-03-16

申请号：US15262275

申请日：2016-09-12

Applicant: Kabushiki Kaisha Toshiba

Inventor： Norio TAKAMI ,  Kazuomi Yoshima ,  Yasuhiro Harada

IPC: H01M10/056 ,  H01M4/485 ,  H01M4/58 ,  H01M10/42

Abstract: According to one embodiment, a composite electrolyte includes lithium-containing oxide particles and an electrolytic composition. The electrolytic composition includes lithium ions, an organic solvent and a polymer. A content of the lithium-containing oxide particles in the composite electrolyte falls within a range of from 90% by weight to 98% by weight. A specific surface area of the lithium-containing oxide particles falls within a range of 10 m2/g to 500 m2/g and is measured by a BET adsorption method using N2.

Abstract translation: 根据一个实施方案，复合电解质包括含锂氧化物颗粒和电解质组合物。 电解质组合物包括锂离子，有机溶剂和聚合物。 复合电解质中的含锂氧化物粒子的含量在90重量％〜98重量％的范围内。 含锂氧化物粒子的比表面积在10m 2 / g〜500m 2 / g的范围内，通过使用N 2的BET吸附法进行测定。

公开(公告)号：US20170062820A1

公开(公告)日：2017-03-02

申请号：US15348011

申请日：2016-11-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiroki INAGAKI ,  Wen Zhang ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/525 ,  H01M10/48 ,  C01G23/00 ,  C01G33/00 ,  C01G49/00 ,  H01M10/42 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G23/005 ,  C01G33/00 ,  C01G33/006 ,  C01G45/00 ,  C01G49/0018 ,  C01G49/0072 ,  C01P2002/32 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M10/425 ,  H01M10/48 ,  H01M10/486

Abstract: According to one embodiment, an active material is provided. The active material includes orthorhombic system oxide represented by the following formula: LixM1M22O6. In this formula, 0≦x≦5, M1 is at least one selected from the group consisting of Fe and Mn, and M2 is at least one selected from the group consisting of Nb, Ta and V.

Abstract translation: 根据一个实施例，提供活性材料。 活性物质包括由下式表示的斜方晶系氧化物：LixM1M22O6。 在该式中，0≤x≤5，M1是选自Fe和Mn中的至少一种，M2是选自Nb，Ta和V中的至少一种。

公开(公告)号：US09553331B2

公开(公告)日：2017-01-24

申请号：US14202729

申请日：2014-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro Harada ,  Norio Takami ,  Hiroki Inagaki

IPC: H01M10/0562 ,  H01B1/08 ,  H01M10/0525 ,  C04B35/495 ,  C01G35/00 ,  C01G1/02 ,  H01M10/0565 ,  H01M4/131 ,  H01M10/052

CPC classification number: H01M10/0562 ,  C01G1/02 ,  C01G35/006 ,  C01P2002/34 ,  C01P2002/77 ,  C01P2002/82 ,  C01P2006/40 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/3251 ,  C04B2235/6565 ,  C04B2235/761 ,  C04B2235/768 ,  H01B1/08 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2300/0017 ,  H01M2300/002 ,  Y02T10/7011

Abstract: According to one embodiment, a solid electrolyte material is an oxide represented by ABO3, wherein an A-site includes Li and vacancies. A cubic root V1/3 of a unit cell volume is within a range of 386 pm≦V1/3≦397 pm. A peak top νtop of an absorption peak in an infrared absorption spectrum satisfies Expression (1) νtop (cm−1)=4.7×V1/3 (pm)−b   (1), provided that 1220≦b≦1240.

Abstract translation: 根据一个实施方案，固体电解质材料是由ABO 3表示的氧化物，其中A-位包括Li和空位。 单位晶胞体积的立方根V1 / 3在386μm＆lt; V1; 3/3＆nlE;397μm的范围内。 红外吸收光谱中的吸收峰的峰顶和顶部满足表达式（1）＆ngr;顶（cm-1）= 4.7×V1 / 3（pm）-b（1），条件是1220＆nlE; b＆nlE; 1240 。

公开(公告)号：US09312536B2

公开(公告)日：2016-04-12

申请号：US14572359

申请日：2014-12-16

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro Harada ,  Norio Takami ,  Hiroki Inagaki ,  Keigo Hoshina

IPC: H01M4/131 ,  H01M4/48 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  C01G23/047 ,  H01M4/505 ,  H01M4/02

CPC classification number: H01M4/131 ,  C01G23/047 ,  H01M4/483 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2300/0017

Abstract: According to one embodiment, a negative electrode active material for nonaqueous electrolyte battery includes a titanium oxide compound having a crystal structure of monoclinic titanium dioxide. When a monoclinic titanium dioxide is used as the active material, the effective capacity is significantly lower than the theoretical capacity though the theoretical capacity was about 330 mAh/g. The invention comprises a titanium oxide compound which has a crystal structure of monoclinic titanium dioxide and a (001) plane spacing of 6.22 Å or more in the powder X-ray diffraction method using a Cu-Kα radiation source, thereby making an attempt to improve effective capacity.

Abstract translation: 根据一个实施方案，非水电解质电池用负极活性物质包括具有单斜钛白粉的晶体结构的氧化钛化合物。 当使用单斜钛白粉作为活性材料时，有效容量明显低于理论容量，理论容量约为330mAh / g。 本发明包括在使用Cu-Kα辐射源的粉末X射线衍射法中具有单斜钛氧化钛的晶体结构和（001）面间距为6.22以上的氧化钛化合物，从而试图改善 有效能力。

公开(公告)号：US20150333322A1

公开(公告)日：2015-11-19

申请号：US14660052

申请日：2015-03-17

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Katsuyuki NAITO ,  Yasuhiro Harada ,  Norihiro Yoshinaga ,  Yoshihiro Akasaka

IPC: H01M4/36 ,  H01M4/587 ,  H01M4/485 ,  H01M4/131 ,  H01M4/133

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/48 ,  H01M4/485 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/027 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided a composite. The composite includes active material particles of a titanium composite oxide or oxide of titanium, and a graphene structure including a carbon material. The carbon material has a graphene framework defining a graphene surface. The graphene structure is located in between the active material particles. The graphene structure has at least one side surface in contact with the active material particle. The side surface includes the carbon material whose graphene surface is slanted relative to the side surface.

Abstract translation: 根据一个实施例，提供了一种复合材料。 复合材料包括钛复合氧化物或钛的氧化物的活性材料颗粒和包括碳材料的石墨烯结构。 碳材料具有限定石墨烯表面的石墨烯框架。 石墨烯结构位于活性物质颗粒之间。 石墨烯结构具有与活性物质颗粒接触的至少一个侧表面。 侧表面包括石墨烯表面相对于侧表面倾斜的碳材料。

公开(公告)号：US20140044997A1

公开(公告)日：2014-02-13

申请号：US13960005

申请日：2013-08-06

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hiroki Inagaki ,  Kazuki Ise ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/485 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M4/485 ,  C01G33/006 ,  C01P2002/77 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/482 ,  Y02E60/122 ,  Y10T428/2982

Abstract: According to one embodiment, an active material containing a monoclinic oxide is provided. The monoclinic oxide is represented by the formula LixTiNb2O7 (0≦x≦5). A unit cell volume of the monoclinic oxide is 795 Å3 or more.

Abstract translation: 根据一个实施方案，提供了含有单斜氧化物的活性材料。 单斜氧化物由式LixTiNb2O7（0 @ x @ 5）表示。 单斜晶氧化物的单位电池体积为795以上。

公开(公告)号：US12107209B2

公开(公告)日：2024-10-01

申请号：US17462507

申请日：2021-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasunobu Yamashita ,  Tetsuya Sasakawa ,  Yasuhiro Harada ,  Norio Takami ,  Shinsuke Matsuno

IPC: H01M10/0525 ,  B60L50/64 ,  H01M4/131 ,  H01M4/485 ,  H01M4/62 ,  H01M10/058 ,  H01M50/249 ,  H01M4/02

CPC classification number: H01M10/0525 ,  B60L50/64 ,  H01M4/131 ,  H01M4/485 ,  H01M4/62 ,  H01M10/058 ,  H01M50/249 ,  H01M2004/027 ,  H01M2220/20

Abstract: According to an embodiment, an electrode group is provided. The electrode group includes a positive electrode, and a negative electrode. The negative electrode active material-containing layer includes a facing section which faces the positive electrode active material-containing layer and a non-facing section which does not. A first fluorine-containing coating is formed on a main surface of the negative electrode active material-containing layer in at least a part of the non-facing section. The abundance ratio of fluorine atoms included in the first fluorine-containing coating is in the range of 2.5 atom % to 10 atom %.