公开(公告)号：US11063256B2

公开(公告)日：2021-07-13

申请号：US16122150

申请日：2018-09-05

Applicant: KABUSHIKI KAISHA TOSHIBA ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Yasuhiro Harada ,  Norio Takami ,  Taro Fukaya ,  Takuya Iwasaki

IPC: H01M4/485 ,  H01M10/0525 ,  H01M50/519 ,  H01M4/62 ,  H01M50/296 ,  H01M50/509 ,  H01M50/209 ,  H01M4/131 ,  H01M50/249 ,  H01M4/133 ,  H01M4/36 ,  H01M4/66 ,  H01M10/44 ,  H01M10/42 ,  H01M50/20 ,  H01M50/543 ,  H01M4/02 ,  B60L50/51

Abstract: According to one embodiment, an active material is provided. The active material includes particles of a monoclinic niobium titanium composite oxide. The particles include primary particles. The primary particles have an average aspect ratio of 5 or more.

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.

公开(公告)号：US10553894B2

公开(公告)日：2020-02-04

申请号：US15692200

申请日：2017-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Tomoko Sugizaki ,  Takuya Iwasaki ,  Yasuhiro Harada ,  Norio Takami

IPC: H01M10/052 ,  H01M10/625 ,  H01M2/16 ,  H01M4/139 ,  H01M4/36 ,  H01M10/04 ,  H01M2/18

Abstract: According to one embodiment, an electrode structure is provided. The electrode structure includes a current collector, an active material layer provided on at least one surface of the current collector, and a separator layer provided on the active material layer. The separator layer includes a first region, and a second region which is adjacent to the first region and exists in the inside of the first region. An outline of a principal surface of the active material layer overlaps the first region of the separator layer, and a thickness of at least a part of the first region is thicker than a thickness of the second region.

公开(公告)号：US20190088984A1

公开(公告)日：2019-03-21

申请号：US15909511

申请日：2018-03-01

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Kazuomi Yoshima ,  Takuya Iwasaki ,  Tomoko Sugizaki ,  Yasuhiro Harada

IPC: H01M10/0525 ,  C01G23/00 ,  H01M2/16 ,  H01M4/485 ,  H01M10/42 ,  H01M4/131 ,  H01M4/36 ,  H01M10/44

Abstract: According to one embodiment, a positive electrode includes positive electrode active material particles, polymer fibers and inorganic solid particles. The polymer fibers have an average fiber diameter of 1 nm to 100 nm.

公开(公告)号：US20190088926A1

公开(公告)日：2019-03-21

申请号：US15913021

申请日：2018-03-06

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Kazuomi Yoshima ,  Takuya Iwasaki ,  Tomoko Sugizaki ,  Tomoe Kusama ,  Yasuhiro Harada

IPC: H01M4/131 ,  H01M10/0525 ,  H01M10/44

Abstract: According to one embodiment, an electrode group includes a positive electrode active material-containing layer, a negative electrode active material-containing layer, a lithium ion conductive layer, and a porous layer. The lithium ion conductive layer includes lithium-containing inorganic particles. The lithium ion conductive layer covers at least part of the positive electrode active material-containing layer. The porous layer covers at least part of the negative electrode active material-containing layer. The positive electrode active material-containing layer and the negative electrode active material-containing layer face each other via the lithium ion conductive layer and the porous layer.

公开(公告)号：US09325002B2

公开(公告)日：2016-04-26

申请号：US14528248

申请日：2014-10-30

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hiroki Inagaki ,  Takuya Iwasaki ,  Norio Takami

IPC: H01M4/48 ,  H01M4/36 ,  H01M4/485 ,  H01M10/052

CPC classification number: H01M4/366 ,  H01M4/485 ,  H01M10/052 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A battery active material according to an embodiment includes a niobium composite oxide and a phosphorus compound being present in at least a part of the surface of the niobium composite oxide. A nonaqueous electrolyte battery according to the embodiment includes a negative electrode including the battery active material according to the embodiment, a positive electrode, and a nonaqueous electrolyte. A battery pack according to the embodiment includes at least one nonaqueous electrolyte battery according to the embodiment.

Abstract translation: 根据实施方案的电池活性材料包括在铌复合氧化物的表面的至少一部分中存在的铌复合氧化物和磷化合物。 本实施方式的非水电解质电池包括具有本实施方式的电池活性物质的正极和非水电解质的负极。 本实施方式的电池组包括至少一个实施方式的非水电解质电池。

公开(公告)号：US20130337315A1

公开(公告)日：2013-12-19

申请号：US13969146

申请日：2013-08-16

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Dai YAMAMOTO ,  Takuya Iwasaki ,  Yasuhiro Harada ,  Hiroki Inagaki ,  Hideki Satake

IPC: H01M4/131 ,  H01M4/04 ,  H01M4/1391

CPC classification number: H01M4/131 ,  H01M4/0404 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/485 ,  H01M4/622 ,  Y02P70/54

Abstract: According to one embodiment, there is provided an electrode for battery which includes a current collector and an active material layer provided on the current collector. The active material layer contains particles of a lithium titanate compound having a spinel structure and a basic polymer. Here, the basic polymer is coating at least a part of the surface of the particles of the lithium titanate compound.

Abstract translation: 根据一个实施例，提供了一种电池用电极，其包括集电体和设置在集电体上的活性物质层。 活性物质层包含具有尖晶石结构的钛酸锂化合物和碱性聚合物的颗粒。 这里，碱性聚合物涂覆钛酸锂化合物的颗粒的至少一部分表面。

公开(公告)号：US11888160B2

公开(公告)日：2024-01-30

申请号：US16289123

申请日：2019-02-28

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Kazuomi Yoshima ,  Takuya Iwasaki ,  Tomoko Sugizaki ,  Yasuhiro Harada

IPC: H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  C01G23/00 ,  H01M4/485 ,  H01M10/42 ,  H01M10/44 ,  H01M4/131 ,  H01M4/13 ,  H01M50/44 ,  H01M50/429 ,  B60L50/64 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/62 ,  B60L50/64 ,  C01G23/003 ,  H01M4/13 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/44 ,  H01M50/4295 ,  H01M50/44 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2010/4271 ,  H01M2220/20

Abstract: According to one embodiment, there is provided an electrode including active material particles, polymer fibers and inorganic solid particles. The polymer fibers have an average fiber diameter of 1 nm to 100 nm.

公开(公告)号：US11251414B2

公开(公告)日：2022-02-15

申请号：US15913021

申请日：2018-03-06

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Kazuomi Yoshima ,  Takuya Iwasaki ,  Tomoko Sugizaki ,  Tomoe Kusama ,  Yasuhiro Harada

IPC: H01M4/131 ,  H01M50/429 ,  H01M50/44 ,  H01M50/446 ,  H01M50/46 ,  H01M10/0525 ,  H01M50/449 ,  H01M10/44 ,  H01M4/485 ,  H01M4/02 ,  H01M10/056

Abstract: According to one embodiment, an electrode group includes a positive electrode active material-containing layer, a negative electrode active material-containing layer, a lithium ion conductive layer, and a porous layer. The lithium ion conductive layer includes lithium-containing inorganic particles. The lithium ion conductive layer covers at least part of the positive electrode active material-containing layer. The porous layer covers at least part of the negative electrode active material-containing layer. The positive electrode active material-containing layer and the negative electrode active material-containing layer face each other via the lithium ion conductive layer and the porous layer.

公开(公告)号：US10541442B2

公开(公告)日：2020-01-21

申请号：US15455992

申请日：2017-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Takuya Iwasaki ,  Norio Takami

IPC: H01M10/0562 ,  B60L11/18 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M10/42 ,  H01M2/30 ,  H01M4/131 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0567 ,  H01M10/0565 ,  H01M10/0564 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/02

Abstract: According to one embodiment, a battery is provided. The battery includes one or more electrode stack. The one or more electrode stack includes an electrolyte layer, a first electrode layer, and a second electrode layer. The electrolyte layer includes an electrolyte and a carboxymethylcellulose sodium salt. The first electrode layer includes a first active material and a carboxymethylcellulose ammonium salt. The second electrode layer includes a second active material and a first binder soluble in an organic solvent. The first electrode layer is bound to a first surface of the electrolyte layer. The second electrode layer is bound to a second surface of the electrolyte layer on a reverse side to the first surface.