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41.发明授权公开(公告)号：US10553868B2
公开(公告)日：2020-02-04
申请号：US15435877
申请日：2017-02-17
Applicant: Kabushiki Kaisha Toshiba
Inventor： Norio Takami , Yasuhiro Harada , Kazuki Ise
IPC: H01M4/485 , H01M4/131 , H01M2/10 , H01M4/36 , H01M4/58 , C01G23/00 , C01G33/00 , C01G35/00 , H01M4/62 , H01M10/42 , H01M4/02
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.
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公开(公告)号：US10446841B2
公开(公告)日：2019-10-15
申请号：US15692760
申请日：2017-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Kazuhiro Yasuda , Tomoko Sugizaki , Kazuomi Yoshima , Takuya Iwasaki , Yasuhiro Harada , Norio Takami
IPC: H01M4/485 , H01M2/16 , H01M4/131 , H01M4/38 , H01M10/0525 , H01M10/625 , H01M4/02 , B60L50/30 , B60L50/60
Abstract: According to one embodiment, an electrode composite is provided. The electrode composite includes a negative electrode active material-containing layer and an insulating particle layer. The negative electrode active material-containing layer includes negative electrode active material secondary particles having an average secondary particle size of from 1 μm to 30 μm. The insulating particle layer is provided on the negative electrode active material-containing layer. The insulating particle layer includes a first surface and a second surface opposed to the first surface. The first surface is in contact with the negative electrode active material-containing layer. The second surface has a surface roughness of 0.1 μm or less.
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公开(公告)号：US20190296351A1
公开(公告)日：2019-09-26
申请号：US16122091
申请日：2018-09-05
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Kazuomi YOSHIMA , Yasuhiro Harada , Norio Takami
Abstract: According to one embodiment, an electrode is provided. The electrode includes a current collector and an active material-containing layer. The active material-containing layer includes an active material complex and a conductive agent. The active material complex includes particles of a niobium-titanium composite oxide and a carbon-containing layer. The carbon-containing layer covers at least one part of surfaces of the particles of the niobium-titanium composite oxide. A resistance value ρs·S satisfies the following formula (1). The resistance value ρs·S is calculated from a specific surface area S (m2/g) of the active material complex by a nitrogen BET method and a sheet resistance value ρs (Ω/m2) of the electrode. 1 Ω/g≤ρs·S≤50 Ω/g (1)
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公开(公告)号：US20190288330A1
公开(公告)日：2019-09-19
申请号：US16121828
申请日：2018-09-05
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Tetsuya Sasakawa , Yasuhiro Harada , Norio Takami
IPC: H01M10/0561 , H01M10/0525 , H01M4/36 , H01M4/505 , H01M4/525 , C01G53/00 , C01G51/00
Abstract: According to one embodiment, an electrode is provided. The electrode includes a binder, and an active material represented by a general formula LixMyO2, where 0≤x≤1.33 and 0.5≤y≤1 are satisfied and M contains at least one element selected from the group consisting of Ni, Co, and Mn. The binder includes a polymer that contains a monomer containing a nitrogen atom. In the pore size distribution of the electrode according to mercury porosimetry, the following formula (1) is satisfied when the pore median diameter is represented by D [μm] and the pore specific surface area is represented by S [m2/g]: S/D≥35 (1).
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公开(公告)号：US20190288283A1
公开(公告)日：2019-09-19
申请号：US16119014
申请日：2018-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Yasuhiro Harada , Norio Takami , Kazuki Ise
Abstract: According to one embodiment, an active material is provided. The active material includes a lithium niobium composite oxide represented by a general formula LixFe1−yM1yNb11−2M2zO29 (1) and having an orthorhombic crystal structure. In the general formula (1), 0≤x≤23, 0≤y≤1 and 0
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Patent Agency Ranking
公开(公告)号：US10305146B2
公开(公告)日：2019-05-28
申请号：US15420387
申请日：2017-01-31
Applicant: Kabushiki Kaisha Toshiba
Inventor： Kazuomi Yoshima , Yasuhiro Harada , Norio Takami
IPC: H01M10/0583 , H01M10/0525 , H01M4/66 , H01M4/58 , H01M4/485 , H01M10/052 , B60L11/18 , H01M4/13 , H01M4/02 , H01M2/34 , H01M10/42
Abstract: A non-aqueous electrolyte battery includes a bipolar electrode and a non-aqueous electrolyte. The electrode includes positive-pole and negative-pole active material layers formed on both side surfaces of a current collector. The electrode is divided into plural parts each having a predetermined length in one direction, and is sequentially and alternately bent at every lines between the parts in opposite directions so that the parts are overlapped with each other.
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公开(公告)号：US09207286B2
公开(公告)日：2015-12-08
申请号：US14084714
申请日：2013-11-20
Applicant: Kabushiki Kaisha Toshiba
Inventor： Akihiro Matsui , Kazuto Kuroda , Yasuhiro Harada , Shinichiro Kosugi , Hisashi Oya , Mami Mizutani , Takashi Morimoto , Takeo Hayase , Yukitaka Monden , Norio Takami
CPC classification number: G01R31/3634 , B60L3/0046 , B60L3/04 , B60L3/12 , B60L11/1853 , B60L11/1861 , B60L11/1864 , B60L2240/545 , B60L2240/547 , B60L2240/549 , G01R31/3651 , G01R31/3658 , G01R31/3662 , G01R31/3679 , G01R31/3689 , G06Q50/06 , H01M10/48 , H01M2220/20 , Y02T10/7005 , Y02T10/7044 , Y02T10/7061
Abstract: An apparatus is disclosed that includes a resistance measuring unit operable to determine a solution resistance Rsol and a charge transfer resistance Rct of a battery; and at least one computer-readable non-transitory storage medium comprising code, that, when executed by at least one processor, is operable to provide an estimate of the present value of the battery by: comparing Rsol and Rct to historical deterioration transition information; estimating the number of remaining charge cycles before a discharge capacity lower limit is reached by the battery using the comparison; and estimating the number of remaining charge cycles before a discharge time lower limit is reached by the battery using the comparison. The estimate of the present value of the battery includes the smaller of the number of remaining charge cycles before a discharge capacity lower limit is reached or the number of remaining charge cycles before a discharge time lower limit is reached.
Abstract translation: 公开了一种装置，其包括电阻测量单元，其可操作以确定电池的溶液电阻R sol和电荷转移电阻Rct; 以及包括代码的至少一个计算机可读的非暂时性存储介质，所述代码当由至少一个处理器执行时可操作以通过以下方式来提供对所述电池的当前值的估计：将R sol和Rct与历史劣化转换信息进行比较; 在使用比较的电池达到放电容量下限之前估计剩余充电循环次数; 并且通过使用比较来估计电池达到放电时间下限之前的剩余充电循环次数。 电池的当前值的估计包括达到放电容量下限之前的剩余电荷循环次数或达到放电时间下限之前的剩余充电循环次数中的较小者。
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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。
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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
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）
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公开(公告)号：US20140170451A1
公开(公告)日：2014-06-19
申请号：US14132724
申请日：2013-12-18
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Takuya IWASAKI , Yasuhiro Harada , Hiroki Inagaki , Norio Takami
CPC classification number: H01M4/70 , H01M2/26 , H01M4/13 , H01M4/661 , H01M10/482
Abstract: According to one embodiment, there is provided an electrode. The electrode includes an active material-containing layer and a current collector. The current collector includes first and second regions. The first region has a surface roughness Ra1. The second region has a surface roughness of Ra2. The active material-containing layer is supported by the second region. The surface roughness Ra1 of the first region is smaller than the surface roughness of Ra2 of the second region.
Abstract translation: 根据一个实施例，提供了一种电极。 电极包括含活性物质的层和集电体。 集电器包括第一和第二区域。 第一区域具有表面粗糙度Ra1。 第二区域的表面粗糙度为Ra2。 含活性物质的层由第二区域支撑。 第一区域的表面粗糙度Ra1小于第二区域的Ra2的表面粗糙度。
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