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公开(公告)号：US20140295230A1
公开(公告)日：2014-10-02
申请号：US14200660
申请日：2014-03-07
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Mitsuru ISHIBASHI , Takuya Iwasaki , Kazuhiro Yasuda , Yorikazu Yoshida , Hiroki Inagaki , Norio Takami
IPC: H01M4/131 , H01M10/0525 , H01M10/48
CPC classification number: H01M4/131 , H01M4/485 , H01M4/622 , H01M10/052 , H01M10/0525 , H01M2004/021
Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.
Abstract translation: 根据一个实施例，提供了一种负极。 负极包括负极层。 负极层含有钛复合氧化物和羧甲基纤维素化合物。 羧甲基纤维素的醚化程度为1以上2以下。 负极层的密度为2.2g / cm 3以上。
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公开(公告)号：US10707483B2
公开(公告)日：2020-07-07
申请号：US16122283
申请日：2018-09-05
Inventor： Kazuhiro Yasuda , Yusuke Namiki , Tetsuya Sasakawa , Yasuhiro Harada , Norio Takami
Abstract: According to one embodiment, an electrode including an active material-containing layer and a film is provided. The active material-containing layer contains an active material containing a titanium-containing oxide. The film is present on at least a part of a surface of the active material-containing layer. The film contains fluorine, an organic atom, and a metal ion. The fluorine includes fluorine bonded to the organic atom and fluorine bonded to the metal ion. The film satisfies a relationship of following formula (1), where F1 is a proportion of the fluorine bonded to the organic atom, and F2 is a proportion of the fluorine bonded to the metal ion: 0.1≤F2/F1≤0.6 (1).
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Patent Agency Ranking
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：US20140220416A1
公开(公告)日：2014-08-07
申请号：US14175355
申请日：2014-02-07
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Yorikazu YOSHIDA , Kazuhiro Yasuda , Takashi Kishi , Hiroki Inagaki , Norio Takami
IPC: H01M4/485 , H01M10/0525 , H01M4/48
CPC classification number: H01M4/485 , B60L1/02 , B60L3/0046 , B60L3/04 , B60L11/1805 , B60L11/1859 , B60L11/1864 , B60L11/1874 , B60L11/1875 , B60L11/1879 , B60L2200/12 , B60L2240/545 , B60L2240/549 , H01M4/131 , H01M4/366 , H01M10/0525 , H01M2004/021 , H01M2200/10 , H01M2220/20 , Y02E60/122 , Y02T10/7005 , Y02T10/7011 , Y02T10/7061
Abstract: According to one embodiment, an electrode includes a current collector and an active material-including layer. The active material-including layer includes a first layer and a second layer. The first layer is provided on a surface of the current collector and includes lithium titanium oxide having a spinel structure. The second layer is provided on the first layer and includes a monoclinic β-type titanium composite oxide.
Abstract translation: 根据一个实施例，电极包括集电器和含活性材料的层。 含活性材料层包括第一层和第二层。 第一层设置在集电体的表面上，并且包括具有尖晶石结构的锂二氧化钛。 第二层设置在第一层上，并且包括单斜晶系型钛复合氧化物。
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公开(公告)号：US09257700B2
公开(公告)日：2016-02-09
申请号：US14175355
申请日：2014-02-07
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Yorikazu Yoshida , Kazuhiro Yasuda , Takashi Kishi , Hiroki Inagaki , Norio Takami
IPC: H01M4/485 , H01M4/48 , H01M4/131 , H01M4/36 , B60L3/00 , B60L3/04 , B60L11/18 , B60L1/02 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/485 , B60L1/02 , B60L3/0046 , B60L3/04 , B60L11/1805 , B60L11/1859 , B60L11/1864 , B60L11/1874 , B60L11/1875 , B60L11/1879 , B60L2200/12 , B60L2240/545 , B60L2240/549 , H01M4/131 , H01M4/366 , H01M10/0525 , H01M2004/021 , H01M2200/10 , H01M2220/20 , Y02E60/122 , Y02T10/7005 , Y02T10/7011 , Y02T10/7061
Abstract: According to one embodiment, an electrode includes a current collector and an active material-including layer. The active material-including layer includes a first layer and a second layer. The first layer is provided on a surface of the current collector and includes lithium titanium oxide having a spinel structure. The second layer is provided on the first layer and includes a monoclinic β-type titanium composite oxide.
Abstract translation: 根据一个实施例，电极包括集电器和含活性材料的层。 含活性材料层包括第一层和第二层。 第一层设置在集电体的表面上，并且包括具有尖晶石结构的锂二氧化钛。 第二层设置在第一层上，并包括单斜晶系型钛复合氧化物。
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6.发明申请公开(公告)号：US20170365846A1
公开(公告)日：2017-12-21
申请号：US15692379
申请日：2017-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Kazuhiro Yasuda , Yoshiyuki Isozaki , Keigo Hoshina , Yasunobu Yamashita , Norio Takami
IPC: H01M4/36 , H01M4/485 , H01M10/0569 , H01M10/0587 , H01M10/0568 , H01M4/02
CPC classification number: H01M4/366 , C01G23/04 , C01P2002/82 , H01M4/1391 , H01M4/483 , H01M4/485 , H01M4/62 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M2004/027 , H01M2300/0037
Abstract: A negative electrode active material according to an embodiment includes at least a titanic oxide compound. The intensity ratio of an infrared absorption spectrum after pyridine adsorption and desorption on a surface of the negative electrode active material satisfies relationships represented by the following formula [{I(3663 cm−1)/I(3738 cm−1)}>0.7] and the following formula [{I(2981 cm−1)/I(2930 cm−1)}
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公开(公告)号：US09722239B2
公开(公告)日：2017-08-01
申请号：US14200660
申请日：2014-03-07
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Mitsuru Ishibashi , Takuya Iwasaki , Kazuhiro Yasuda , Yorikazu Yoshida , Hiroki Inagaki , Norio Takami
IPC: H01M4/131 , H01M10/0525 , H01M4/485 , H01M4/62 , H01M4/02 , H01M10/052
CPC classification number: H01M4/131 , H01M4/485 , H01M4/622 , H01M10/052 , H01M10/0525 , H01M2004/021
Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.
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