公开(公告)号：US20160226106A1

公开(公告)日：2016-08-04

申请号：US15007430

申请日：2016-01-27

Applicant: Sanyo Electric Co., Ltd.

Inventor： Keisuke Minami ,  Toyoki Fujihara ,  Naoya Nakanishi

IPC: H01M10/0587 ,  H01M10/04

CPC classification number: H01M10/0587 ,  H01M10/049 ,  H01M10/052 ,  H01M10/0567 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery includes a flat wound electrode assembly and a ease that houses the wound electrode assembly and a nonaqueous electrolyte, the wound electrode assembly including a positive electrode plate, a negative electrode plate, and a separator, the positive electrode plate and the negative electrode plate being wound with the separator provided therebetween. The wound electrode assembly has a width-to-height ratio of 2 or more. The nonaqueous electrolyte contains lithium bis(oxalato)borate and lithium fluorosulfonate.

Abstract translation: 非水电解质二次电池包括平卷绕电极组件和容纳卷绕电极组件和非水电解质的容易性，所述卷绕电极组件包括正极板，负极板和隔板，正电极板和 负极板与设置在其间的隔板缠绕。 卷绕电极组件的宽高比为2以上。 非水电解质含有双（草酸）硼酸锂和氟代磺酸锂。

公开(公告)号：US20160156070A1

公开(公告)日：2016-06-02

申请号：US14900478

申请日：2014-06-10

Applicant: SANYO ELECTRIC CO., LTD

Inventor： Keisuke Minami ,  Toyokl Fujiara ,  Toshiyuki Nohma

IPC: H01M10/42 ,  H01M2/02 ,  H01M10/0587 ,  H01M10/0525 ,  H01M10/0567

CPC classification number: H01M10/425 ,  H01M2/024 ,  H01M2/263 ,  H01M2/34 ,  H01M4/13 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0587 ,  H01M2200/20 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery includes a pressure-sensitive current interrupt mechanism, and a flat wound electrode body that is inserted in an outer casing with a winding axis of the flat wound electrode body arranged to extend in a horizontal direction. A positive electrode plate, a negative electrode plate, and a separator in a winding end portion of the flat wound electrode body are all directed toward a top side.

Abstract translation: 非水电解质二次电池包括压敏电流中断机构，以及扁平卷绕电极体，其插入到外壳中，扁平卷绕电极体的卷绕轴线布置成在水平方向上延伸。 扁平卷绕电极体的卷绕端部中的正极板，负极板和隔板都朝向顶侧。

公开(公告)号：US20140045057A1

公开(公告)日：2014-02-13

申请号：US13943016

申请日：2013-07-16

Applicant: Sanyo Electric Co., Ltd.

Inventor： Shingo Tode ,  Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/0561

CPC classification number: H01M10/0561 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2220/20 ,  H01M2300/0025

Abstract: To provide with high productivity a non-aqueous electrolyte secondary battery having high capacity.The present invention is a non-aqueous electrolyte secondary battery provided with an electrode assembly and a non-aqueous electrolyte including a non-aqueous solvent, the electrode assembly including a positive electrode and a negative electrode. In the positive electrode, a positive electrode active material layer is formed on a positive electrode core. In the non-aqueous electrolyte secondary battery, the non-aqueous solvent includes 30 to 70 vol % ethylene carbonate at 25° C. and 1 atm, the non-aqueous electrolyte includes lithium bis(oxalato)borate, and the packing density of the positive electrode active material layer is from 2.0 to 2.8 g/ml.

Abstract translation: 提供高容量的非水电解质二次电池。 本发明是一种非水电解质二次电池，其具有电极组件和包含非水溶剂的非水电解质，所述电极组件包括正极和负极。 在正极中，在正极芯上形成正极活性物质层。 在非水电解质二次电池中，非水溶剂在25℃和1atm下含有30〜70体积％的碳酸亚乙酯，非水电解质包括双（草酸）硼酸锂，并且所述非水电解质的包装密度 正极活性物质层为2.0〜2.8g / ml。

公开(公告)号：US20140045045A1

公开(公告)日：2014-02-13

申请号：US13962456

申请日：2013-08-08

Applicant: SANYO Electric Co., Ltd.

Inventor： Masahiro Iyori ,  Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/04

CPC classification number: H01M10/045 ,  H01M2/0212 ,  H01M2/16 ,  H01M2/1646 ,  H01M4/62 ,  H01M4/621 ,  H01M10/0459 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the electrolyte is poured. The positive electrode plate contains a positive electrode active material. The negative electrode plate contains a negative electrode active material. The nonaqueous electrolyte contains LiBOB (lithium bis(oxalato)borate) and/or a boron-containing substance derived from the LiBOB. The aluminum laminated outer body has an outer surface area of 300 cm2 or larger. The battery has a capacity of 10 Ah or more.

Abstract translation: 非水电解质二次电池包括：层叠电极组件，其通过以分隔件插入正极板和多层负极板的多层而形成; 非水电解质; 以及铝叠层外壳，其存储堆叠的电极组件，并且电解质被倒入其中。 正极板含有正极活性物质。 负极板含有负极活性物质。 非水电解质含有LiBOB（双（草酸）硼酸锂）和/或衍生自LiBOB的含硼物质。 铝层叠外体的外表面积为300cm 2以上。 电池容量为10 Ah以上。

公开(公告)号：US20140045044A1

公开(公告)日：2014-02-13

申请号：US13962183

申请日：2013-08-08

Applicant: SANYO Electric Co., Ltd.

Inventor： Daisuke Ikeda ,  Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/0563 ,  H01M10/052 ,  H01M4/13 ,  H01M2/02

CPC classification number: H01M10/0563 ,  H01M2/0237 ,  H01M4/13 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly has a positive electrode, a negative electrode, and a separator. The positive electrode contains particles of a lithium transition metal compound as a positive electrode active material. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium difluorophosphate. The container houses the electrode assembly and the nonaqueous electrolyte. The battery capacity is not less than 21 Ah. The mean particle diameter (D50) of the particles of the lithium transition metal compound is not less than 5 μm and not more than 15 μm. The (D90−D10)/D50 of the particles of the lithium transition metal compound is under 1.1.

Abstract translation: 根据本发明实施方案的非水电解质二次电池包括电极组件，非水电解质和容器。 电极组件具有正极，负极和隔膜。 正极含有作为正极活性物质的锂过渡金属化合物的粒子。 负极与正极相对。 隔板设置在正极和负极之间。 非水电解质含有二氟磷酸锂。 容器容纳电极组件和非水电解质。 电池容量不小于21 Ah。 锂过渡金属化合物的颗粒的平均粒径（D50）不小于5μm且不大于15μm。 锂过渡金属化合物颗粒的（D90-D10）/ D50低于1.1。

公开(公告)号：US20140045042A1

公开(公告)日：2014-02-13

申请号：US13961988

申请日：2013-08-08

Applicant: Sanyo Electric Co., Ltd.

Inventor： Hirofusa Tanaka ,  Masahiro Iyori ,  Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/056 ,  H01M10/052

CPC classification number: H01M10/056 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte formed by dissolving LiPF6 at 1.5 mol/L into a mixed solvent of EC, EMC, and DMC; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the electrolyte is poured. The ratio of the EC, the EMC, and the DMC is 36% by volume, 31% by volume, and 33% by volume, respectively, to the total amount of the mixed solvent. The nonaqueous electrolyte contains LiPF2O2.

Abstract translation: 非水电解质二次电池包括：叠层电极组件，其通过层叠多层正极板和多层负极板而形成，隔膜间插入隔膜; 通过将LiPF 6以1.5mol / L溶解到EC，EMC和DMC的混合溶剂中形成的非水电解质; 以及铝叠层外壳，其存储堆叠的电极组件，并且电解质被倒入其中。 相对于混合溶剂的总量，EC，EMC和DMC的比例分别为36体积％，31体积％，33体积％。 非水电解质含有LiPF 2 O 2。

公开(公告)号：US20140045034A1

公开(公告)日：2014-02-13

申请号：US13962057

申请日：2013-08-08

Applicant: SANYO ELECTRIC CO., LTD.

Inventor： Tomo Kondo ,  Masahiro Iyori ,  Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/0585

CPC classification number: H01M10/0585 ,  H01M2/0287 ,  H01M2/168 ,  H01M2/18 ,  H01M4/131 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568

Abstract: A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte formed by dissolving LiPF6 into a mixed solvent; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the electrolyte is poured. The nonaqueous electrolyte contains LiBOB and LiPF2O2. Each of the positive electrode plate and the negative electrode plate has an area of 100 cm2 or larger. The stacked electrode assembly has a thickness in the stacking direction of 10 mm or smaller.

Abstract translation: 非水电解质二次电池包括：层叠电极组件，其通过以分隔件插入正极板和多层负极板的多层而形成; 通过将LiPF 6溶解在混合溶剂中形成的非水电解质; 以及铝叠层外壳，其存储堆叠的电极组件，并且电解质被倒入其中。 非水电解质含有LiBOB和LiPF2O2。 正极板和负极板的面积为100cm 2以上。 层叠电极组件的层叠方向的厚度为10mm以下。

公开(公告)号：US20140045013A1

公开(公告)日：2014-02-13

申请号：US13943113

申请日：2013-07-16

Applicant: Sanyo Electric Co., Ltd.

Inventor： Keisuke Minami ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M10/0561

CPC classification number: H01M10/0561 ,  B60L3/0046 ,  B60L3/04 ,  B60L50/64 ,  B60L58/12 ,  B60L58/15 ,  B60L58/21 ,  H01M10/0568 ,  H01M10/0587 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/7061

Abstract: To provide a non-aqueous electrolyte secondary battery having high capacity and superior safety.The present invention is a non-aqueous electrolyte secondary including having a wound electrode assembly of a positive electrode, negative electrode and separator housed in an outer can having both a bottom and an opening, the opening being sealed by a sealing plate. This non-aqueous electrolyte secondary battery is characterized in that the battery further comprises a current interrupt device activated by rising pressure inside the battery, the bottom surface of the outer can is parallel to the direction of the winding axis of the wound electrode assembly, the thickness of the negative electrode at a state of charge of 100% is equal to or less than 130% of the thickness of the negative electrode at the time of battery assembly, the maximum width of the wound electrode assembly perpendicular to the winding axis direction during assembly is from 90 to 98% of the distance from the bottom surface of the outer can to the current interrupt device, and the battery capacity of the non-aqueous electrolyte secondary battery is equal to or greater than 4 Ah.

Abstract translation: 提供具有高容量和高安全性的非水电解质二次电池。 本发明是一种非水电解质二次电池，其具有容纳在具有底部和开口的外壳中的正极，负极和隔板的卷绕电极组件，所述开口由密封板密封。 该非水电解质二次电池的特征在于，电池还包括通过电池内部的上升压力而被激活的电流中断装置，外罐的底面平行于卷绕电极组件的卷绕轴线的方向， 充电状态为100％时的负极的厚度等于或小于电池组装时的负极厚度的130％，卷绕电极组件的垂直于卷取轴方向的最大宽度在 组装是从外罐的底面到电流中断装置的距离的90〜98％，非水电解质二次电池的电池容量等于或大于4Ah。

公开(公告)号：US20130230748A1

公开(公告)日：2013-09-05

申请号：US13750505

申请日：2013-01-25

Applicant: SANYO ELECTRIC CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Keisuke Minami ,  Masahiro Iyori ,  Yoshinori Yokoyama ,  Toyoki Fujihara ,  Yasuhiro Yamauchi ,  Toshiyuki Nohma ,  Hironori Harada ,  Toshihiro Takada ,  Ryuta Morishima

IPC: H01M2/34 ,  H01M10/04

CPC classification number: H01M2/345 ,  H01M4/13 ,  H01M4/366 ,  H01M10/0413 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2200/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/4911

Abstract: A method for manufacturing a nonaqueous electrolyte secondary battery including a current interruption mechanism that interrupts electric current includes disposing, in the outer body, an electrode assembly and a nonaqueous electrolyte containing a compound having at least one of a cyclohexyl group and a phenyl group, adjusting the nonaqueous electrolyte to contain the compound having at least one of a cyclohexyl group and a phenyl group in an amount of from 2.5 g/m2 to 5.0 g/m2 with respect to a formation area of a positive electrode active material layer on a positive electrode substrate surface, and thereafter performing aging treatment at 60° C. or more at a state of charge of 60% or more. This battery exhibits excellent output characteristics in a low temperature condition and can sufficiently ensure reliability even when the battery is overcharged through two-step charging in a low temperature condition.

Abstract translation: 包括具有中断电流的电流中断机构的非水电解质二次电池的制造方法包括在外体中设置电极组件和含有具有环己基和苯基中的至少一个的化合物的非水电解质，调整 含有相对于正极上的正极活性物质层的形成面积为2.5g / m 2〜5.0g / m 2的环己基和苯基中的至少一种的化合物的非水电解质 基板表面，然后在60％以上的电荷下进行60℃以上的时效处理。 该电池在低温条件下表现出优异的输出特性，并且即使当在低温条件下通过两步充电来对电池进行过充电时也可充分确保可靠性。