公开(公告)号：US20180277834A1

公开(公告)日：2018-09-27

申请号：US15692143

申请日：2017-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro HARADA ,  Kazuki Ise ,  Norio Takami

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M4/364 ,  C01P2002/76 ,  H01M2/1077 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, an active material including a titanium-containing composite oxide phase and a carboxyl group-containing carbon coating layer is provided. The titanium-containing composite oxide phase includes a crystal structure belonging to a space group Cmca and/or a space group Fmmm. The carbon coating layer covers at least a part of the titanium-containing composite oxide phase.

公开(公告)号：US20150270542A1

公开(公告)日：2015-09-24

申请号：US14660325

申请日：2015-03-17

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/485 ,  H01M10/052 ,  H01M10/42

CPC classification number: H01M4/485 ,  C01G33/006 ,  C01G35/006 ,  C01G39/006 ,  C01G41/006 ,  C01P2002/77 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2/1077 ,  H01M2/348 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/587 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/4257 ,  H01M10/486 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2200/10 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0017 ,  H01M2300/0022 ,  H01M2300/0068 ,  H01M2300/0082 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided an active material. The active material contains a composite oxide represented by a following general formula: Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7,  the general formula: in which 0≦x≦5, 0≦y≦1, and 0

Abstract translation: 根据一个实施例，提供了一种活性材料。 活性材料含有由以下通式表示的复合氧化物：Lix（Nb1-yTay）2-zTi1 + 0.5zM0.5zO7，通式为：其中0＆nlE; x＆nlE; 5,0＆lt; lE; y＆nlE; 1和0 < z和n是1，M是选自Mo和W中的至少一种金属元素。

公开(公告)号：US20150010820A1

公开(公告)日：2015-01-08

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 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/131 ,  H01M4/625 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054 ,  H01M2004/021 ,  Y02E60/122

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)

Abstract translation: 根据一个实施方案，提供了包括单斜铌钛复合氧化物颗粒和碳材料层的活性材料。 单斜晶铌钛复合氧化物颗粒可以吸收和释放Li离子或Na离子并满足下式（1）。 碳材料层覆盖铌钛复合氧化物粒子的至少一部分表面，满足下式（2）：0.5＆nlE;（α/ bbg）＆nlE; 2（1）0＆nlE;（γ/＆sgr;）＆ ; 0.1（2）

公开(公告)号：US11990614B2

公开(公告)日：2024-05-21

申请号：US17446482

申请日：2021-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kazuki Ise ,  Hirofumi Yasumiishi ,  Keigo Hoshina ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/485 ,  H01M4/02 ,  H01M10/0525 ,  H01M10/42 ,  H01M4/42

CPC classification number: H01M4/485 ,  H01M10/0525 ,  H01M10/425 ,  H01M2004/028 ,  H01M2220/20

Abstract: According to one embodiment, provided is an active material including a composite oxide having a tetragonal crystal structure. The composite oxide is represented by general formula LiaTibNb2−2dMc+2dO2b+5+3c. Here, M is one selected from the group consisting of W and Mo, 0≤a≤b+4+3c, 0

公开(公告)号：US10978752B2

公开(公告)日：2021-04-13

申请号：US16122126

申请日：2018-09-05

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

Inventor： Taro Fukaya ,  Takashi Kishi ,  Kazuki Ise ,  Kazuomi Yoshima ,  Yasunobu Yamashita ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M10/00 ,  H01M10/44 ,  H01M4/66 ,  H01M10/42 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/36 ,  H01M4/485

Abstract: According to one embodiment, a secondary battery is provided. The secondary battery includes a negative electrode. The negative electrode includes an active material composite. The active material composite includes active material particles and a layer covering at least a portion of surfaces of the active material particles. The active material particles include titanium-containing oxide particles. The layer contains N and Si. The layer includes a first surface facing the at least the portion of surfaces of the active material particles and a second surface defining a layer thickness from the first surface. An N concentration in the layer decreases from the first surface to the second surface. A Si concentration in the layer increases from the first surface to the second surface.

公开(公告)号：US10608250B2

公开(公告)日：2020-03-31

申请号：US15899951

申请日：2018-02-20

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kazuki Ise ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/485 ,  H01M10/0525 ,  H01M10/44 ,  C01G23/00 ,  C01G33/00 ,  H01M10/052

Abstract: According to one embodiment, an active material is provided. The active material includes particles. The particles have a crystal structure belonging to a monoclinic niobium-titanium composite oxide. A ratio of a crystallite size Dc corresponding to a (020) plane with respect to an average primary particle size Dp of the particles is not less than 35%.

公开(公告)号：US20190296342A1

公开(公告)日：2019-09-26

申请号：US16117941

申请日：2018-08-30

Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Yasuhiro Harada ,  Norio Takami ,  Kazuki Ise ,  Kazuomi Yoshima

IPC: H01M4/485 ,  H01M10/42 ,  H01M10/0525 ,  B60L11/18

Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer which contains an active material. The active material includes a plurality of primary particles containing a niobium-titanium composite oxide. The average crystallite diameter of the plurality of primary particles is 90 nm or more. The average particle size (D50) of the plurality of primary particles is in a range of 0.1 μm to 5 μm. The average value (FUave) of the roughness shape coefficient (FU) according to Formula (1) below is less than 0.70 in 100 primary particles among the plurality of primary particles. [ Formula   1 ] FU = f f c = 4  π   a   2 ( 1 )

公开(公告)号：US10411256B2

公开(公告)日：2019-09-10

申请号：US14848922

申请日：2015-09-09

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Wen Zhang ,  Keigo Hoshina ,  Yasuhiro Harada ,  Kazuki Ise ,  Norio Takami

IPC: H01M4/485 ,  C01G33/00 ,  H01M4/36 ,  H01M4/62 ,  H01M10/052 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/42 ,  H01M4/02

Abstract: According to one embodiment, there is provided an active material. The active material includes particles. Each of the particles includes a core phase and a shell phase surrounding at least a part of the core phase. The core phase includes a first monoclinic niobium-titanium composite oxide. The shell phase includes a second monoclinic niobium-titanium composite oxide. An oxidation number of titanium in the core phase is larger than an oxidation number of titanium in the shell phase, and/or an oxidation number of niobium in the core phase is larger than an oxidation number of niobium in the shell phase.

公开(公告)号：US10361429B2

公开(公告)日：2019-07-23

申请号：US14202844

申请日：2014-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/485 ,  H01M10/48 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/36 ,  C01G33/00 ,  C01G35/00 ,  C01G39/00 ,  C01G49/00 ,  B82Y30/00

Abstract: According to one embodiment, there is provided an active substance. The active substance contains active material particles. The active material particles comprise a compound represented by the formula: Ti1-xM1xNb2-yM2yO7. The active material particles has a peak A attributed to a (110) plane which appears at 2θ ranging from 23.74 to 24.14°, a peak B attributed to a (003) plane which appears at 2θ ranging from 25.81 to 26.21° and a peak C attributed to a (602) plane which appears at 2θ ranging from 26.14 to 26.54° in an X-ray diffraction pattern of the active material particles. An intensity IA of the peak A, an intensity IB of the peak B, and an intensity IC of the peak C satisfy the relation (1): 0.80≤IB/IA≤1.12; and the relation (2) IC/IB≤0.80.

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)