公开(公告)号：US10461313B2

公开(公告)日：2019-10-29

申请号：US14660089

申请日：2015-03-17

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Norio Takami ,  Yoshiyuki Isozaki ,  Tetsuya Sasakawa ,  Hidesato Saruwatari

IPC: H01M4/131 ,  H01M4/485 ,  H01M4/66 ,  H01M10/0525 ,  H01M4/02 ,  H01M2/02 ,  H01M4/525 ,  H01M10/42

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery including a nonaqueous electrolyte, a positive electrode and a negative electrode. The positive electrode includes a positive electrode current collector containing Al, and a positive electrode active material containing layer. The negative electrode includes a negative electrode current collector containing Al, and a negative electrode active material containing layer. The negative electrode active material containing layer includes titanium-containing oxide particles having an average secondary particle size of more than 5 μm. The nonaqueous electrolyte battery satisfies a formula (1) of Lp

公开(公告)号：US10355273B2

公开(公告)日：2019-07-16

申请号：US15449443

申请日：2017-03-03

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiromichi Kuriyama ,  Hidesato Saruwatari ,  Hideki Satake ,  Dai Yamamoto

IPC: H01M4/485 ,  H01M4/04 ,  H01M4/131 ,  H01M4/36 ,  H01M4/62 ,  H01M4/1391 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0566 ,  H01M10/0568 ,  H01M10/42 ,  H01M4/02

Abstract: According to an embodiment, a nonaqueous electrolyte battery is provided. The nonaqueous electrolyte includes a negative electrode, a positive electrode and a nonaqueous electrolyte. The negative electrode includes negative electrode active material particles. The negative electrode active material particles include a spinel-type lithium titanate. The negative electrode has such a surface state that a ratio ALi/ATi of an Li atom abundance ratio ALi to a Ti atom abundance ratio ATi, according to a photoelectron spectroscopic measurement for a surface, is increased at a rate of 0.002 to 0.02 per cycle in a charge-and-discharge cycle test under the predetermined condition.

公开(公告)号：US20180159119A1

公开(公告)日：2018-06-07

申请号：US15886144

申请日：2018-02-01

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Shinsuke Matsuno ,  Hidesato Saruwatari ,  Dai Yamamoto ,  Asato Kondo ,  Hiromichi Kuriyama ,  Hideki Satake ,  Takashi Kuboki

IPC: H01M4/133 ,  H01M4/485 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M10/052 ,  H01M4/02

CPC classification number: H01M4/133 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021 ,  Y10T29/49108

Abstract: According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 5 ml per 1 g when heated at 200° C. for 1 minute.

公开(公告)号：US20180123119A1

公开(公告)日：2018-05-03

申请号：US15848035

申请日：2017-12-20

Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Infrastructure Systems & Solutions Corporation

Inventor： Masataka SHIKOTA ,  Hidesato Saruwatari ,  Dai Yamamoto ,  Genki Yamagishi ,  Hiroshi Watanabe

IPC: H01M4/131 ,  H01M10/0525 ,  H01M4/485 ,  H01M2/16 ,  H01M2/18 ,  H01M10/0587

CPC classification number: H01M4/131 ,  H01M2/16 ,  H01M2/162 ,  H01M2/1653 ,  H01M2/18 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/028

Abstract: According to an embodiment, a nonaqueous electrolyte battery including an electrode group and a nonaqueous electrolyte is provided. The electrode group is formed by winding a positive electrode, a negative electrode, and a separator arranged between the positive electrode and the negative electrode. The tension modulus of the separator in the winding direction is within a range of 200 (N/mm2) to 2,000 (N/mm2).

公开(公告)号：US09947923B2

公开(公告)日：2018-04-17

申请号：US15051035

申请日：2016-02-23

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiromichi Kuriyama ,  Hikaru Yoshikawa ,  Hidesato Saruwatari ,  Yasuaki Murashi ,  Dai Yamamoto ,  Naoki Nishio

IPC: H01M4/50 ,  H01M4/00 ,  H01M4/505 ,  H01M2/02 ,  H01M4/131 ,  H01M4/36 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/58

CPC classification number: H01M4/505 ,  H01M2/0285 ,  H01M2/0287 ,  H01M4/131 ,  H01M4/364 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  Y02T10/7011

Abstract: The nonaqueous electrolyte battery according to one embodiment includes a positive electrode and a negative electrode. The positive electrode contains a positive electrode active material containing manganese-containing composite oxide. The negative electrode contains a negative electrode active material selected from the group consisting of titanium oxide and titanium-containing composite oxide. A ratio p/n of a capacity p per unit area of the positive electrode to a capacity n per unit area of the negative electrode is in the range of 0.8 or more and 1 or less.

公开(公告)号：US09825330B2

公开(公告)日：2017-11-21

申请号：US14167288

申请日：2014-01-29

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hiromichi Kuriyama ,  Hidesato Saruwatari ,  Kazuya Kuriyama ,  Shinsuke Matsuno

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/131 ,  H01M4/36 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M10/052 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery according to an embodiment includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material. A lithium insertion-extraction reaction potential of a negative electrode active material is higher than the oxidation-reduction potential of lithium by a value of 1 V or more. The nonaqueous electrolyte contains an electrolytic salt, a nonaqueous solvent, at least one hydroxyalkylsulfonic acid, and at least one sulfonate.

公开(公告)号：US09711782B2

公开(公告)日：2017-07-18

申请号：US14645867

申请日：2015-03-12

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hikaru Yoshikawa ,  Hiromichi Kuriyama ,  Yasuaki Murashi ,  Hidesato Saruwatari ,  Dai Yamamoto

IPC: H01M4/58 ,  H01M4/131 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/505 ,  H01M4/485 ,  C01G45/12 ,  C01G49/00 ,  C01G51/00 ,  H01M4/02

CPC classification number: H01M4/131 ,  C01G45/1242 ,  C01G49/0072 ,  C01G51/54 ,  C01P2004/51 ,  C01P2004/61 ,  H01M4/485 ,  H01M4/505 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

Abstract: According to one embodiment, there is provided a positive electrode including a positive electrode active material-including layer including a positive electrode active material, which includes a lithium-manganese oxide LiMn2-xMxO4, and a conductive agent. In the positive electrode active material-including layer, an average particle diameter d50 is within 2 μm to 5 μm, a particle diameter d10 and a particle diameter d90, where a cumulative frequency from a smaller side is, respectively, 10% and 90%, is within 0.5 μm to 3 μm and within 4 μm to 10 μm, respectively, in a particle size distribution. X, represented by X=(d50−d10) /d50 is within 0.4 to 0.8. Y, represented by Y=(d90−d50)/d90 is within 0.2 to 0.6.

公开(公告)号：US09331361B2

公开(公告)日：2016-05-03

申请号：US14180605

申请日：2014-02-14

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Shinsuke Matsuno ,  Hidesato Saruwatari ,  Dai Yamamoto ,  Asato Kondo

IPC: H01M10/0567 ,  H01M10/04 ,  H01M10/052 ,  H01M4/485 ,  H01M4/62 ,  H01M10/42 ,  H01M10/0525 ,  H01M4/04

CPC classification number: H01M10/0567 ,  H01M4/0445 ,  H01M4/485 ,  H01M4/62 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/4235 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108

Abstract: According to the embodiment, there is provided a nonaqueous electrolyte secondary battery comprising a positive electrode; a negative electrode including a negative electrode active material layer; and a nonaqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.01 ml to 3 ml per 1 g when heated at 400° C. for 1 minute. The nonaqueous electrolyte contains carbon dioxide of 50 ml/L to 1000 ml/L.

Abstract translation: 根据本实施方式，提供一种非水电解质二次电池，其包含正极; 负极，包括负极活性物质层; 和非水电解质。 当在400℃下加热1分钟时，负极活性物质层含有二氧化碳，并将二氧化碳在0.01ml至3ml的范围内释放1g。 非水电解液含有50ml / L〜1000ml / L的二氧化碳。

公开(公告)号：US20140272552A1

公开(公告)日：2014-09-18

申请号：US14197569

申请日：2014-03-05

Applicant: Kabushiki Kaisha Toshiba

Inventor： Masanori TANAKA ,  Hidesato Saruwatari ,  Kazuya Kuriyama

IPC: H01M4/38

CPC classification number: H01M4/38 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/446 ,  H01M2004/021 ,  Y02T10/7011

Abstract: In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes an electrode group containing a positive electrode and a negative electrode, and a nonaqueous electrolyte held in the electrode group. The nonaqueous electrolyte battery satisfies the following relation (1): −0.07≦(DA−DC)×S/B≦0.05.

Abstract translation: 通常，根据一个实施方案，提供非水电解质电池。 非水电解质电池包括含有正极和负极的电极组和保持在电极组中的非水电解质。 非水电解质电池满足以下关系式（1）：-0.07＆nlE;（DA-DC）×S / B＆NlE; 0.05。

公开(公告)号：US20130330629A1

公开(公告)日：2013-12-12

申请号：US13968965

申请日：2013-08-16

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Shinsuke MATSUNO ,  Hidesato Saruwatari ,  Dai Yamamoto ,  Asato Kondo ,  Hiromichi Kuriyama ,  Hideki Satake ,  Takashi Kuboki

IPC: H01M4/133 ,  H01M4/131

CPC classification number: H01M4/133 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021 ,  Y10T29/49108

Abstract: According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 5 ml per 1 g when heated at 200° C. for 1 minute.

Abstract translation: 根据一个实施方式，提供一种非水电解质二次电池，其包括正极，负极，包括负极活性物质层和非水电解质。 当在200℃下加热1分钟时，负极活性物质层含有二氧化碳，并将二氧化碳释放在0.1ml至5ml的范围内。