公开(公告)号：US10096823B2

公开(公告)日：2018-10-09

申请号：US15259234

申请日：2016-09-08

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuhiro Harada ,  Norio Takami ,  Hiroki Inagaki

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/48 ,  H01M10/42 ,  H01M10/0525 ,  C01G23/00 ,  C01G23/047 ,  H01M4/02

Abstract: According to one embodiment, an electrode material is provided. The electrode material includes active material particles. The active material particle includes a phase of a monoclinic titanium dioxide and a phase of the spinel type lithium titanate. The active material particle includes a shell part and a core part surrounded by the shell part. The shell part is formed by dispersing at least a part of the phase of the spinel type lithium titanate on the active material particle. The core part includes a part of the phase of the monoclinic titanium dioxide.

公开(公告)号：US10056615B2

公开(公告)日：2018-08-21

申请号：US14489716

申请日：2014-09-18

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/48 ,  H01M4/62 ,  H01M4/485 ,  C01G33/00 ,  C01G35/00 ,  C01G39/00 ,  C01G49/00 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/625 ,  C01G33/00 ,  C01G35/006 ,  C01G39/006 ,  C01G49/0018 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2002/82 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/485 ,  H01M10/0525 ,  H01M2004/027

Abstract: According to one embodiment, there is provided an active substance. The active substance includes particles of niobium titanium composite oxide and a phase including a carbon material. The niobium titanium composite oxide is represented by Ti1−xM1xNb2−yM2yO7. The phase is formed on at least a part of the surface of the particles. The carbon material shows, in a Raman chart obtained by Raman spectrometry, a G band observed at from 1530 to 1630 cm−1 and a D band observed at from 1280 to 1380 cm−1. A ratio IG/ID between a peak intensity IG of the G band and a peak intensity ID of the D band is from 0.8 to 1.2.

公开(公告)号：US10050266B2

公开(公告)日：2018-08-14

申请号：US15455700

申请日：2017-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/00 ,  H01M4/485 ,  H01M10/42 ,  C01G23/00 ,  B60L11/18 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02

Abstract: According to one embodiment, there is provided an active material. The active material includes particles of a Na-containing niobium titanium composite oxide having an orthorhombic crystal structure. An intensity ratio I1/I2 is within a range of 0.12≤I1/I2≤0.25 in an X-ray diffraction pattern of the active material, according to X-ray diffraction measurement using a Cu-Kα ray. I1 is a peak intensity of a peak P1 that is present within a range where 2θ is 27° to 28° in the X-ray diffraction pattern of the active material. I2 is a peak intensity of a peak P2 that is present within a range where 2θ is 23° to 24° in the X-ray diffraction pattern of the active material.

公开(公告)号：US10020505B2

公开(公告)日：2018-07-10

申请号：US15420408

申请日：2017-01-31

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuhiro Harada ,  Norio Takami

IPC: H01M10/052 ,  H01M4/485 ,  H01M4/48 ,  C01G23/00 ,  H01M2/34 ,  H01M10/0525

CPC classification number: H01M4/485 ,  C01G23/003 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  H01M2/34 ,  H01M4/483 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2300/0017 ,  Y02E60/122 ,  Y02P20/133

Abstract: According to one embodiment, there is provided an active material that includes a composite oxide having a crystal structure belonging to a space group Fmmm. The composite oxide is represented by the formula: Li2+xNa2-yMzTi6O14+δ. Herein, M includes at least one of Mg, Ca, Sr, and Ba. x is within a range of 0≤x≤6. y is within a range of 0

公开(公告)号：US10020504B2

公开(公告)日：2018-07-10

申请号：US15262242

申请日：2016-09-12

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yasuhiro Harada ,  Norio Takami ,  Yorikazu Yoshida

IPC: H01M4/131 ,  H01M4/485 ,  H01M10/48 ,  H01M2/34 ,  H01M10/44 ,  H01M2/10 ,  B60L11/18 ,  H02J7/00 ,  C01G23/00 ,  C01G33/00

CPC classification number: H01M4/485 ,  B60L58/21 ,  C01G23/005 ,  C01G33/006 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2002/88 ,  C01P2006/40 ,  H01M2/1077 ,  H01M2/348 ,  H01M4/131 ,  H01M10/44 ,  H01M10/486 ,  H01M2220/20 ,  H02J7/0026 ,  Y02P20/133

Abstract: According to one embodiment, an active material including a composite oxide is provided. The composite oxide is represented by a general formula LixM14−yTi10−zM22+zO27+δ. Here, M1 includes at least one selected from the group consisting of Na, K, and Cs. M2 includes at least one selected from the group consisting of Zr, Sn, V, Nb, Ta, Mo, W, Fe, Co, Mn, Ni, and Al. x satisfies 0≤x

公开(公告)号：US20180083310A1

公开(公告)日：2018-03-22

申请号：US15443651

申请日：2017-02-27

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Takuya IWASAKI ,  Tomoko Sugizaki ,  Yasuhiro Harada ,  Norio TAKAMI

IPC: H01M10/0525 ,  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

CPC classification number: H01M10/0525 ,  B60L11/1879 ,  H01M2/1077 ,  H01M2/1083 ,  H01M2/166 ,  H01M2/1673 ,  H01M2/18 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/623 ,  H01M4/662 ,  H01M10/0562 ,  H01M10/0563 ,  H01M10/0565 ,  H01M10/0569 ,  H01M10/4207 ,  H01M10/425 ,  H01M2010/4271 ,  H01M2220/20 ,  H01M2300/002 ,  H01M2300/0037 ,  H01M2300/0071 ,  Y02E60/122 ,  Y02T10/7011

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：US09774032B2

公开(公告)日：2017-09-26

申请号：US14492558

申请日：2014-09-22

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/36 ,  H01M4/485 ,  C01G33/00 ,  H01M10/052 ,  H01M4/62

CPC classification number: H01M4/366 ,  C01G33/00 ,  C01G33/006 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/21 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/625 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54

Abstract: According to one embodiment, there is provided an active substance. The active substance includes secondary particles and a carbon material phase formed on at least a part of a surface of each of the secondary particles. Each of the secondary particles is constructed by aggregated primary particles of an active material. The primary particles of the active material includes a niobium composite oxide represented by LixM(1−y)NbyNb2O(7+δ), wherein M is at least one selected from the group consisting of Ti and Zr, and x, y, and δ respectively satisfy 0≦x≦6, 0≦y≦1, and −1≦δ≦1. The secondary particles have a compression fracture strength of 10 MPa or more.

公开(公告)号：US09735417B2

公开(公告)日：2017-08-15

申请号：US15066142

申请日：2016-03-10

Applicant: Kabushiki Kaisha Toshiba

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

IPC: B05D5/12 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/485 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052

CPC classification number: H01M4/02 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/485 ,  H01M4/525 ,  H01M4/625 ,  H01M10/052

Abstract: According to an embodiment, a method of manufacturing an active material is provided. The active material includes particles of a composite oxide of the general formula Ti1±xNb2±yMzO7−δ and a carbon-including phase. Here, 0≦x≦0.15, 0≦y≦0.3, 0.01

公开(公告)号：US09698422B2

公开(公告)日：2017-07-04

申请号：US15348011

申请日：2016-11-10

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/131 ,  H01M4/525 ,  H01M10/42 ,  H01M10/48 ,  H01M4/505 ,  C01G33/00 ,  C01G49/00 ,  C01G23/00

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.

公开(公告)号：US20170162872A1

公开(公告)日：2017-06-08

申请号：US15435877

申请日：2017-02-17

Applicant: Kabushiki Kaisha Toshiba

Inventor： Norio TAKAMI ,  Yasuhiro Harada ,  Kazuki Ise

IPC: H01M4/485 ,  H01M4/58 ,  H01M2/10 ,  H01M4/36

CPC classification number: H01M4/485 ,  C01G23/005 ,  C01G23/006 ,  C01G33/006 ,  C01G35/006 ,  C01P2002/76 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2/1077 ,  H01M4/131 ,  H01M4/364 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/4257 ,  H01M2004/027 ,  H01M2220/20

Abstract: According to one embodiment, a negative electrode active material includes particles and a carbon material. The particles is represented by Li2+aAdTi6−bBbO14−c, where A is at least one element selected from the group consisting of Na, K, Mg, Ca, Ba, and Sr; B is a metal element other than Ti; and a, b, c, and d respectively satisfy 0≦a≦5, 0≦b≦6, 0≦c≦0.6, and 0≦d≦3. The carbon material covers at least a part of surfaces of the particles.