公开(公告)号：US20170077510A1

公开(公告)日：2017-03-16

申请号：US15262227

申请日：2016-09-12

Applicant: KABUSHIKI KAISHA TOSHIBA

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

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

CPC classification number: H01M4/485 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/20 ,  Y02E60/122

Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material. A surface composition ratio (Li+C+O)/P of the electrode, which is obtained by measurement using an X-ray photoelectron spectroscopy (XPS), is within a range of 2 to 14.

Abstract translation: 根据一个实施例，提供电极。 电极包括活性材料。 使用X射线光电子能谱（XPS）测定得到的电极的表面组成比（Li + C + O）/ P在2〜14的范围内。

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：US20150086872A1

公开(公告)日：2015-03-26

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 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/04 ,  H01M4/36

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.

Abstract translation: 根据一个实施方案，提供了一种活性物质。 活性物质包括铌钛复合氧化物颗粒和包含碳材料的相。 铌钛复合氧化物由Ti1-xM1xNb2-yM2yO7表示。 该相形成在颗粒表面的至少一部分上。 碳材料以拉曼光谱法获得的拉曼图表示在1530〜1630cm -1处观察到的G带，在1280〜1380cm -1观察到D带。 G带的峰值强度IG与D带的峰值强度ID之比IG / ID为0.8〜1.2。

公开(公告)号：US08728667B2

公开(公告)日：2014-05-20

申请号：US13845535

申请日：2013-03-18

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/13 ,  H01M4/02

CPC classification number: H01M4/485 ,  H01M2/1061 ,  H01M4/9016 ,  H01M10/425 ,  H01M2220/20

Abstract: According to one embodiment, an active material for batteries includes monoclinic β-type titanium composite oxide containing at least one element selected from the group consisting of V, Nb, Ta, Al, Ga, and In, the at least one element being contained in an amount of 0.03 wt % or more and 3 wt % or less.

Abstract translation: 根据一个实施方案，用于电池的活性材料包括含有选自V，Nb，Ta，Al，Ga和In中的至少一种元素的单斜晶型钛复合氧化物，所述至少一种元素包含 其量为0.03重量％以上且3重量％以下。

公开(公告)号：US20140120380A1

公开(公告)日：2014-05-01

申请号：US14063436

申请日：2013-10-25

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/505 ,  H01M4/525

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＆nlE; x＆nl; 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：US12283686B2

公开(公告)日：2025-04-22

申请号：US17462370

申请日：2021-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yuta Kanai ,  Yasunobu Yamashita ,  Kazuomi Yoshima ,  Keigo Hoshina ,  Tetsuya Sasakawa ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/13 ,  H01M4/02 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0587

Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer and a current collector. The active material-containing layer comprises a first edge having an arc shape and a second edge positioned opposite to the first edge. The current collector comprises an active material-supporting section supporting the active material-containing layer, and an active material-non-supporting section. The curving amount is represented by a maximum distance from the first edge to a reference line connecting two points on the first edge. The curving amount is in a range of −1 mm or more and less than 0 mm.

公开(公告)号：US12074340B2

公开(公告)日：2024-08-27

申请号：US17179480

申请日：2021-02-19

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Tomoe Kusama ,  Kazuomi Yoshima ,  Tetsuya Sasakawa ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M50/46 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/42

CPC classification number: H01M50/46 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/425 ,  H01M2010/4271 ,  H01M2220/20 ,  H01M2300/0082 ,  H01M2300/0085

Abstract: According to one embodiment, an electrode group is provided. The electrode group includes a positive electrode, a negative electrode, and a gel polymer layer interposed between the positive electrode and the negative electrode. At least a part of the negative electrode is opposed to the positive electrode. The gel polymer layer is formed of a gel electrolyte composed of a polymer material, an organic solvent and a lithium salt, and a sheet base member which supports the gel electrolyte, or the gel polymer layer is formed of only the gel electrolyte.

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：US11894553B2

公开(公告)日：2024-02-06

申请号：US17186819

申请日：2021-02-26

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kakuya Ueda ,  Yasunobu Yamashita ,  Keigo Hoshina ,  Tetsuya Sasakawa ,  Yasuhiro Harada ,  Norio Takami ,  Shinsuke Matsuno

IPC: H01M4/485 ,  H01M4/133 ,  H01M4/131 ,  H01M4/02 ,  H01M10/42

CPC classification number: H01M4/485 ,  H01M4/131 ,  H01M4/133 ,  H01M10/425 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/20

Abstract: According to one embodiment, an electrode is provided. The electrode includes a current collector, and an active material-containing layer which is formed on a surface of the current collector and includes a plurality of niobium titanium composite oxide particles. A X-ray diffraction pattern using a Cu-Kα ray source with respect to a surface of the active material-containing layer includes a peak A with a highest intensity in a range of 2θ=26°±0.2° and a peak B with a highest intensity in a range of 2θ=23.9°±0.2°. An intensity ratio (Ia/Ib) between an intensity Ia of the peak A and an intensity Ib of the peak B is in a range of 1.80 or more to 2.60 or less.

公开(公告)号：US11831005B2

公开(公告)日：2023-11-28

申请号：US17014130

申请日：2020-09-08

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Keigo Hoshina ,  Masanori Tanaka ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M4/131 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M4/36 ,  H01M4/02

CPC classification number: H01M4/131 ,  H01M4/366 ,  H01M4/483 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/027 ,  H01M2004/028

Abstract: According to one embodiment, an electrode group is provided. The electrode group includes a positive electrode active material-containing layer and a negative electrode active material-containing layer. The negative electrode active material-containing layer contains at least one titanium-containing composite oxide selected from the group consisting of a monoclinic niobium titanium composite oxide and an orthorhombic titanium-containing composite oxide. The electrode group satisfies the following formula:

6500≤A/B≤18500,



where A is an area [cm2] of a portion of the negative electrode active material-containing layer that faces the positive electrode active material-containing layer, and B is a thickness [cm] of the electrode group.