公开(公告)号：US10651466B2

公开(公告)日：2020-05-12

申请号：US14847053

申请日：2015-09-08

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro Harada ,  Kazuomi Yoshima ,  Norio Takami ,  Hiroki Inagaki

IPC: H01M4/485 ,  C01G35/00 ,  H01M10/0525 ,  H01M10/052 ,  H01M2/34 ,  C01G23/00

Abstract: According to one embodiment, there is provided an active material. The active material includes a composite oxide having an orthorhombic structure. The composite oxide is represented by the general formula Ti2(Nb1-xTax)2O9 (0≤x≤1). The composite oxide has an average valence of niobium and/or tantalum of 4.95 or more.

公开(公告)号：US10547054B2

公开(公告)日：2020-01-28

申请号：US15260597

申请日：2016-09-09

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuhiro Harada ,  Norio Takami

IPC: H01M4/485 ,  H02J7/00 ,  B60L58/21 ,  H01M4/131 ,  H01M10/0525

Abstract: According to one embodiment, there is provided an active material. The active material includes a composite oxide having a monoclinic crystal structure and represented by a general formula of LiwNa2−xM1yTi6-zM2zO13+δ. In the general formula, M1 is at least one metallic element selected from the group consisting of Mg, Sr, Ca, Ba, Cs and K. M2 is at least one metallic element selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn and Al. The subscript w is within a range of 0≤w≤6. The subscript x is within a range of 0≤x

公开(公告)号：US10516163B2

公开(公告)日：2019-12-24

申请号：US15854407

申请日：2017-12-26

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/00 ,  H01M4/485 ,  C01G23/00 ,  H01M4/131 ,  H01M4/36 ,  C01G25/00 ,  C01G31/00 ,  C01G33/00 ,  C01G35/00 ,  C01G39/00 ,  C01G49/00 ,  C01G51/00 ,  H01M10/052 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

Abstract: In general, according to one embodiment, there is provided an active material. The active material contains a composite oxide having an orthorhombic crystal structure. The composite oxide is represented by a general formula of Li2+wNa2−xM1yTi6−zM2zO14+δ. In the general formula, the M1 is at least one selected from the group consisting of Cs and K; the M2 is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al; and w is within a range of 0≤w≤4, x is within a range of 0

公开(公告)号：US10511014B2

公开(公告)日：2019-12-17

申请号：US15265222

申请日：2016-09-14

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/131 ,  H01M4/485 ,  H01M2/10 ,  H01M2/34 ,  H01M10/44 ,  H02J7/00 ,  H01M10/48

Abstract: According to one embodiment, there is provided a battery module. The battery module includes five nonaqueous electrolyte batteries electrically connected in series. The five nonaqueous electrolyte batteries each include a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes an active material including a titanium-including composite oxide. The titanium-including composite oxide includes Na and a metal element M within a crystal structure. The metal element M is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al.

公开(公告)号：US10355318B2

公开(公告)日：2019-07-16

申请号：US15392828

申请日：2016-12-28

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Keigo Hoshina ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M10/42 ,  H01M2/30 ,  H01M4/485 ,  H01M10/44 ,  C01G23/04 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58

Abstract: According to one embodiment, there is provided an active material includes particles of a Na-containing niobium titanium composite oxide having an orthorhombic crystal structure. A peak intensity I1 of a strongest peak P1 within a range of 3350 to 3450 cm−1 is 1.6 or less in an infrared diffuse reflectivity spectrum of a surface of the particles, according to a diffuse reflectance Fourier transform spectrometry measurement.

公开(公告)号：US10355274B2

公开(公告)日：2019-07-16

申请号：US15455161

申请日：2017-03-10

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yorikazu Yoshida ,  Wen Zhang ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/02 ,  H01M4/36 ,  H01M10/42 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/131

Abstract: According to one embodiment, an electrode is provided. The electrode includes active material particles containing a niobium-titanium composite oxide. The active material particles include a first active material particle, and a second active material particle located with a space between the first active material particle and the second active material particle.

公开(公告)号：US10312511B2

公开(公告)日：2019-06-04

申请号：US15416506

申请日：2017-01-26

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/485 ,  H01M10/42 ,  H01M4/36 ,  H01M4/587 ,  C01G39/00 ,  C01G41/00 ,  H01M2/10 ,  C01G33/00 ,  C01G35/00 ,  H01M10/052 ,  H01M4/02 ,  H01M2/34 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/48

Abstract: A vehicle containing an nonaqueous electrolyte battery, the nonaqueous electrolyte battery including: a negative electrode containing a negative electrode active material; a positive electrode; and a nonaqueous electrolyte, where the negative electrode active material contains a composite oxide of formula: Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7, where 0≤x≤5, 0≤y≤1, and 0.4≤z≤1, and M is at least one metal element selected from Mo and W.

公开(公告)号：US20190088942A1

公开(公告)日：2019-03-21

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

CPC classification number: H01M4/485 ,  C01G23/002 ,  C01G33/006 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/44 ,  H01M2220/20

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：US10218030B2

公开(公告)日：2019-02-26

申请号：US15443651

申请日：2017-02-27

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Takuya Iwasaki ,  Tomoko Sugizaki ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M10/058 ,  H01M10/0525 ,  H01M2/10 ,  H01M2/16 ,  H01M4/131 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0562 ,  H01M10/0563 ,  H01M10/0569 ,  H01M10/0565 ,  H01M10/42 ,  B60L11/18 ,  H01M2/18

Abstract: According to one embodiment, an electrode structure is provided. The electrode structure includes a current collector, a separator layer, and an active material layer including a main surface and a first end face other than the main surface. The active material layer covers a first part of at least one surface of the current collector. The separator layer covers the main surface of the active material layer, at least a part of the first end face and second part of the at least one surface of the current collector.

公开(公告)号：US10096827B2

公开(公告)日：2018-10-09

申请号：US15066402

申请日：2016-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/00 ,  H01M4/485 ,  C01G23/00 ,  H01M4/131 ,  H01M4/36 ,  H01M10/052 ,  C01G25/00 ,  C01G31/00 ,  C01G33/00 ,  C01G35/00 ,  C01G39/00 ,  C01G49/00 ,  C01G51/00 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

Abstract: In general, according to one embodiment, there is provided an active material. The active material contains a composite oxide having an orthorhombic crystal structure. The composite oxide is represented by a general formula of Li2+wNa2−xM1yTi6−zM2zO14+δ. In the general formula, the M1 is at least one selected from the group consisting of Cs and K; the M2 is at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, and Al; and w is within a range of 0≤w≤4, x is within a range of 0