公开(公告)号：US09843044B2

公开(公告)日：2017-12-12

申请号：US15455999

申请日：2017-03-10

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hidesato Saruwatari ,  Takuya Iwasaki ,  Koji Takazawa ,  Norio Takami

IPC: H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/485 ,  H01M10/0569 ,  H01M4/02

CPC classification number: H01M4/505 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0028 ,  Y02T10/7011

Abstract: According to one embodiment, a positive electrode includes a positive electrode layer and a positive electrode current collector. The positive electrode layer includes a positive electrode active material including a first oxide represented by the following formula (α) and/or a second oxide represented by the following formula (β). The positive electrode layer has an intensity ratio falling within a range of 0.25 to 0.7. The ratio is represented by the following formula (1) in an X-ray diffraction pattern obtained by using CuKα radiation for a surface of the positive electrode layer. LixNi1-a-bCoaMnbMcO2  (α) LixNi1-a-cCoaMcO2  (β) I2/I1  (1)

公开(公告)号：US09647252B2

公开(公告)日：2017-05-09

申请号：US14191047

申请日：2014-02-26

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hidesato Saruwatari ,  Masanori Tanaka

IPC: H01M2/12 ,  H01M4/485 ,  H01M10/052 ,  H01M10/058 ,  H01M2/30 ,  H01M2/34

CPC classification number: H01M2/1241 ,  H01M2/1282 ,  H01M2/30 ,  H01M2/348 ,  H01M4/485 ,  H01M10/052 ,  H01M10/058 ,  Y02P70/54 ,  Y02T10/7011

Abstract: According to one embodiment, a nonaqueous electrolyte battery includes a case member, a negative electrode terminal, an electrode group, a negative electrode lead, a rupture member, and a gas releasing portion. The electrode group is provided in the case member, and includes positive and negative electrodes. The negative electrode lead electrically connects the negative electrode terminal to the negative electrode. The gas releasing portion is provided in the case member, is able to transfer a heat from the negative electrode lead and includes a zeolite-based porous material.

公开(公告)号：US09627715B2

公开(公告)日：2017-04-18

申请号：US14483354

申请日：2014-09-11

Applicant: Kabushiki Kaisha Toshiba

Inventor： Dai Yamamoto ,  Hidesato Saruwatari ,  Masanori Tanaka ,  Kazuya Kuriyama ,  Hideki Satake ,  Hirotaka Hayashida

IPC: H01M10/0569 ,  H01M2/16 ,  H01M2/18 ,  H01M4/131 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2/02 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0587 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/02

CPC classification number: H01M10/0569 ,  H01M2/0207 ,  H01M2/024 ,  H01M2/026 ,  H01M2/0262 ,  H01M2/0287 ,  H01M2/1626 ,  H01M2/1653 ,  H01M2/18 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0587 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037

Abstract: A non-aqueous electrolyte secondary battery of an embodiment includes an exterior member, a negative electrode containing a titanium-containing oxide housed in the exterior member, a positive electrode housed in the exterior member, a separator housed in the exterior member and arranged between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution housed in the exterior member. At least one type or more chain carbonates are contained in a solvent of the non-aqueous electrolyte solution. A self-diffusion coefficient of the chain carbonate in −20° C. is front 1.4×10−10 to 2.0×10−10 m2/sec.

公开(公告)号：US09548495B2

公开(公告)日：2017-01-17

申请号：US14478043

申请日：2014-09-05

Applicant: Kabushiki Kaisha Toshiba

Inventor： Tetsuro Kano ,  Hikaru Yoshikawa ,  Hidesato Saruwatari ,  Kazuya Kuriyama

IPC: H01M4/62 ,  H01M4/13 ,  H01M4/50 ,  H01M4/131 ,  H01M4/505 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M4/04 ,  H01M4/02 ,  H01M4/1391 ,  H01M10/0525

CPC classification number: H01M4/625 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/623 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2300/0037 ,  Y02E60/122

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive current collector and a positive electrode material layer formed on the positive electrode current collector. The positive electrode material layer includes a positive electrode active material and a first conductive agent. In a mapping image for the positive electrode material layer, a ratio of an occupancy area of the first conductive agent to an occupancy area of the positive electrode active material is from 1.5 to 5.

Abstract translation: 根据一个实施例，提供一种非水电解质电池。 非水电解质电池包括正极，负极和非水电解质。 该正极包括在正极集电体上形成的正极集电体和正极材料层。 正极材料层包括正极活性物质和第一导电剂。 在正极材料层的映射图中，第一导电剂的占有面积与正极活性物质的占有面积的比率为1.5〜5。

公开(公告)号：US09466854B2

公开(公告)日：2016-10-11

申请号：US13934673

申请日：2013-07-03

Applicant: Kabushiki Kaisha Toshiba

Inventor： Dai Yamamoto ,  Shinsuke Matsuno ,  Hidesato Saruwatari ,  Hiroko Watando ,  Sayaka Morimoto ,  Kazuya Kuriyama ,  Hideki Satake

IPC: H01M10/056 ,  H01M4/48 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/058 ,  H01M4/485

CPC classification number: H01M10/056 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/058 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108 ,  Y10T29/4911

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode containing a titanium-containing oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte contains carbon monoxide and at least one selected from difluorophosphoric acid and monofluorophosphoric acid. The ratio of the mass concentration of carbon monoxide to the sum of the mass concentrations of difluorophosphoric acid and monofluorophosphoric acid is in the range of 0.1 to 5%.

Abstract translation: 根据一个实施方案，提供一种非水电解质二次电池，其包括正极，含有含钛氧化物的负极和非水电解质。 非水电解质含有一氧化碳和选自二氟磷酸和一氟磷酸中的至少一种。 一氧化碳的质量浓度与二氟磷酸和单氟磷酸的质量浓度之和的比例在0.1〜5％的范围内。

公开(公告)号：US20160204417A1

公开(公告)日：2016-07-14

申请号：US15051854

申请日：2016-02-24

Applicant: Kabushiki Kaisha Toshiba

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

IPC: H01M4/131 ,  H01M10/0585 ,  H01M10/0525 ,  H01M10/06 ,  H01M4/505 ,  H01M4/485

CPC classification number: H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/06 ,  H01M2004/021 ,  Y02T10/7011 ,  Y02T10/7016

Abstract: According to one embodiment, a nonaqueous electrolyte battery is provided. The nonaqueous electrolyte battery includes a positive electrode and a negative electrode. A positive electrode layer contains lithium-manganese composite oxide represented by a general formula of LiMn2-xMxO4. x is within the range of 0.22≦x≦0.7 and M is at least one element selected from a group consisting of Mg, Ti, Cr, Fe, Co, Zn, Al, and Ga. A negative electrode layer contains lithium titanate. A pore specific surface area of the positive electrode layer is 2 m2/g or more and less than 5 m2/g. A ratio of a capacity per pore surface area of the positive electrode to the negative electrode is within the range of 1 or more and less than 2.4.

Abstract translation: 根据一个实施例，提供非水电解质电池。 非水电解质电池包括正极和负极。 正极层含有由通式LiMn 2-x M x O 4表示的锂锰复合氧化物。 x在0.22≤n1E的范围内; x和nlE; 0.7，M是选自Mg，Ti，Cr，Fe，Co，Zn，Al和Ga中的至少一种元素。负极层含有钛酸锂。 正极层的孔比表面积为2m 2 / g以上且小于5m 2 / g。 正极与负极的每孔表面积的容量比在1以上且小于2.4的范围内。

公开(公告)号：US09214671B2

公开(公告)日：2015-12-15

申请号：US13778688

申请日：2013-02-27

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hidesato Saruwatari ,  Hiroki Inagaki ,  Hideaki Morishima ,  Shinsuke Matsuno ,  Yumi Fujita ,  Norio Takami

IPC: H01M4/36 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/58 ,  H01M4/66 ,  H01M4/02 ,  H01M4/04 ,  H01M10/052

CPC classification number: H01M4/364 ,  A47L9/2884 ,  H01M4/02 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/5825 ,  H01M4/661 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/30 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. At least one of the positive electrode and the negative electrode comprises a current collector made of aluminum or an aluminum alloy and an active material layer laminated on the current collector. The active material layer contains first active material particles having an average particle diameter of 1 μm or less and a lithium diffusion coefficient of 1×10−9 cm2/sec or less at 20° C., and second active material particles having an average particle diameter of 2 to 50 μm. A true density of the second active material particles is larger by 0.01 to 2.5 g/cm3 than a true density of the first active material particles.

Abstract translation: 非水电解质电池包括正极，负极和非水电解质。 正极和负极中的至少一个包括由铝或铝合金制成的集电体和层叠在集电体上的活性物质层。 活性物质层包含平均粒径为1μm以下的第一活性物质粒子，在20℃下的锂扩散系数为1×10-9 cm 2 / sec以下，第二活性物质粒子的平均粒子 直径为2〜50μm。 第二活性物质粒子的真密度比第一活性物质粒子的真实密度大0.01〜2.5g / cm 3。

公开(公告)号：US09017861B2

公开(公告)日：2015-04-28

申请号：US13798047

申请日：2013-03-12

Applicant: Kabushiki Kaisha Toshiba

Inventor： Masanori Tanaka ,  Hidesato Saruwatari

IPC: H01M2/04 ,  H01M2/10 ,  H01M10/50 ,  H01M2/02 ,  H01M10/04

CPC classification number: H01M2/0282 ,  H01M2/0287 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  Y02E60/122 ,  Y02T10/7011

Abstract: In one embodiment, a nonaqueous electrolyte secondary battery includes an electrode group, a battery container, an insulation member, and a nonaqueous electrolyte solution. The electrode group includes a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode. The insulation member, which insulates the positive electrode and the negative electrode from the battery container and absorbs vibration, includes a resin and an inorganic material and has a bending elastic modulus between 600 MPa and 1,500 MPa, a specific heat between 0.25 cal/° C.·g and 0.40 cal/° C.·g, and a thermal conductivity between 0.3 W/m·K and 0.6 W/m·K.

Abstract translation: 在一个实施方案中，非水电解质二次电池包括电极组，电池容器，绝缘构件和非水电解质溶液。 电极组包括正极，负极和设置在正极和负极之间的隔膜。 将正极和负极与电池容器绝缘并吸收振动的绝缘构件包括树脂和无机材料，并且具有在600MPa和1500MPa之间的弯曲弹性模量，0.25cal /℃之间的比热 ·g和0.40cal /℃·g，热导率在0.3W / m·K和0.6W / m·K之间。

公开(公告)号：US11362398B2

公开(公告)日：2022-06-14

申请号：US16708559

申请日：2019-12-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hidesato Saruwatari ,  Masataka Shikota ,  Dai Yamamoto ,  Genki Yamagishi

IPC: H01M50/44 ,  H01M4/505 ,  H01M4/485 ,  H01M50/429 ,  H01M50/411 ,  H01M50/431 ,  H01M4/525 ,  H01M4/131 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/02

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery including a positive electrode, a negative electrode, a nonaqueous electrolyte and a separator. The positive electrode includes a positive electrode active material containing LixNi1-a-bCoaMnbMcO2 (0.9

公开(公告)号：US10461314B2

公开(公告)日：2019-10-29

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 ,  H01M2/16 ,  H01M2/18 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0587 ,  H01M4/02

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).