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：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.

公开(公告)号：US20160268603A1

公开(公告)日：2016-09-15

申请号：US15066402

申请日：2016-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

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

IPC: H01M4/485 ,  H01M10/052

CPC classification number: H01M4/485 ,  C01G23/003 ,  C01G23/005 ,  C01G25/006 ,  C01G31/006 ,  C01G33/006 ,  C01G35/006 ,  C01G39/006 ,  C01G49/0027 ,  C01G51/42 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/366 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  Y02E60/122

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

Abstract translation: 通常，根据一个实施例，提供了一种活性材料。 活性物质含有具有正交晶体结构的复合氧化物。 复合氧化物由通式Li2 + wNa2-xM1yTi6-zM2zO14 +δ表示。 在通式中，M1是选自Cs和K中的至少一种; M2是选自Zr，Sn，V，Nb，Ta，Mo，W，Fe，Co，Mn和Al中的至少一种; w在0≤w≤4的范围内，x在0

公开(公告)号：US09240591B2

公开(公告)日：2016-01-19

申请号：US14202903

申请日：2014-03-10

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 ,  H01M4/02

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: In general, according to one embodiment, the active material for a battery contains a niobium composite oxide represented by the formula: LixM(1-y)NbyNb2O(7+δ). M represents at least one kind selected from the group consisting of Ti and Zr. X, y, and δ are numbers respectively satisfying the following: 0≦x≦6, 0≦y≦1, and −1≦δ≦1). The pH of the active material for a battery is from 7.4 to 12.5.

Abstract translation: 通常，根据一个实施方案，电池用活性物质包含由下式表示的铌复合氧化物：LixM（1-y）NbyNb2O（7 +δ）。 M表示选自Ti和Zr中的至少一种。 X，Y和δ分别满足以下的数：0＆nlE; x＆nlE; 6,0＆nlE; y＆nlE; 1和-1＆nlE;δ＆nlE; 1）。 电池用活性物质的pH为7.4〜12.5。

公开(公告)号：US20150270543A1

公开(公告)日：2015-09-24

申请号：US14660431

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 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M4/485 ,  C01G33/006 ,  C01G35/006 ,  C01G37/006 ,  C01G45/006 ,  C01G49/0018 ,  C01G49/009 ,  C01G51/006 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2/348 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/4257 ,  H01M10/486 ,  H01M2004/027 ,  H01M2200/10 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided an active material. The active material contains a composite oxide represented by the following general: a general formula Lix(Nb1−yTay)2+0.5zTi1−zM0.5zO7 (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。 活性物质含有由以下通式表示的复合氧化物：通式Lix（Nb1-yTay）2 + 0.5zTi1-zM0.5zO7（0＆nlE; x＆nlE; 5,0＆nlE; y＆nlE; 1和0