公开(公告)号：US09508994B2

公开(公告)日：2016-11-29

申请号：US14397115

申请日：2013-05-10

Applicant: UACJ Corporation ,  UACJ Foil Corporation

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Tsugio Kataoka ,  Satoshi Yamabe

IPC: H01M4/66 ,  H01M4/82 ,  H01G11/28 ,  H01G11/70 ,  H01M10/052

CPC classification number: H01M4/667 ,  H01G11/28 ,  H01G11/70 ,  H01M4/661 ,  H01M4/663 ,  H01M4/666 ,  H01M4/668 ,  H01M4/82 ,  H01M10/052 ,  Y02E60/13

Abstract: A current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device capable of providing superior shut down function are provided. According to the present invention, a current collector having a resin layer on at least one side of a conductive substrate, wherein: the resin layer has a thermoplastic resin dispersed in a thermosetting resin base material, the thermoplastic resin encapsuling a conductive agent; a value given by (average thickness of the conductive agent)/(average thickness of the thermoplastic resin) is 0.5 to 3; the conductive agent is formulated so that a value of volume % given by (conductive agent)/(conductive agent+thermoplastic resin) is 10 to 50%; and formulation ratio of the thermoplastic resin is 10 to 65%, is provided.

Abstract translation: 提供集电器，电极结构，非水电解质电池和能够提供优异的关闭功能的蓄电装置。 根据本发明，在导电性基材的至少一侧具有树脂层的集电体，其特征在于，所述树脂层具有分散在热固性树脂基材中的热塑性树脂，所述热塑性树脂封装有导电剂; 由（导电剂的平均厚度）/（热塑性树脂的平均厚度）给出的值为0.5〜3; 导电剂的配制使得（导电剂）/（导电剂+热塑性树脂）给出的体积％的值为10〜50％。 并且提供热塑性树脂的配制比为10至65％。

公开(公告)号：US20150311001A1

公开(公告)日：2015-10-29

申请号：US14443628

申请日：2013-11-15

Applicant: UACJ Corporation ,  Nippon Foil Mfg. Co., Ltd. ,  FURUKAWA ELECTRIC CO., LTD.

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Tatsuhiro Yaegashi ,  Tsugio Kataoka ,  Mitsuya Inoue ,  Satoshi Yamabe ,  Yasumasa Morishima ,  Takayori Ito ,  Hidekazu Hara ,  Takahiro Iida

IPC: H01G11/06 ,  H01G11/58 ,  H01M10/0525 ,  H01M4/66 ,  H01M4/62 ,  H01G11/50 ,  H01G11/68

CPC classification number: H01G11/06 ,  H01C7/02 ,  H01G11/50 ,  H01G11/58 ,  H01G11/68 ,  H01G11/70 ,  H01M4/13 ,  H01M4/622 ,  H01M4/661 ,  H01M4/663 ,  H01M4/667 ,  H01M4/668 ,  H01M10/0525 ,  H01M2200/106 ,  Y02E60/13

Abstract: A current collector which can achieve both of the improvement in battery characteristics by reducing the initial (at ambient temperature) interface resistance and the improvement in safety by the PTC function, when the current collector is used for the electrode structure of electrical storage devices such as non-aqueous electrolyte batteries, electrical double layer capacitors, and lithium ion capacitors; electrode structures; electrical storage devices; and composition for current collectors; are provided. A current collector, including: a conductive substrate 103; and a resin layer 105 provided on at least one side of the conductive substrate 103; is provided. Here, the resin layer is formed by coating a paste including: polyolefin-based emulsion particles 125; and a conductive material 121; onto the conductive substrate 103. The coating weight of the paste is 0.1 to 20 g/m2; and the porosity of the resin layer 105 is 10% (v/v) or less.

Abstract translation: 一种集电器，当集电器用于蓄电装置的电极结构时，可以通过降低初始（环境温度）界面电阻和通过PTC功能提高安全性来实现电池特性的改善， 非水电解质电池，双电层电容器和锂离子电容器; 电极结构; 蓄电装置; 和收集器的组成; 被提供。 一种集电器，包括：导电基板103; 以及设置在导电性基板103的至少一侧的树脂层105; 被提供。 这里，树脂层通过涂布包含聚烯烃类乳液粒子125的糊料形成， 和导电材料121; 糊状物的涂布重量为0.1〜20g / m 2， 树脂层105的孔隙率为10％（v / v）以下。

公开(公告)号：US09786919B2

公开(公告)日：2017-10-10

申请号：US14399492

申请日：2013-05-10

Applicant: UACJ Corporation ,  UACJ Foil Corporation

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Tsugio Kataoka ,  Satoshi Yamabe

IPC: H01M4/62 ,  H01M4/04 ,  H01M4/66 ,  H01G11/28 ,  H01G11/68 ,  H01G11/70 ,  H01B1/24 ,  H01M2/34 ,  H01M10/052

CPC classification number: H01M4/625 ,  H01B1/24 ,  H01G11/28 ,  H01G11/68 ,  H01G11/70 ,  H01M2/348 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/661 ,  H01M4/663 ,  H01M4/666 ,  H01M4/667 ,  H01M4/668 ,  H01M10/052 ,  H01M2200/106 ,  Y02E60/13

Abstract: Current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device having superior shut down function are provided. According to the present invention, a current collector having a resin layer on at least one side of a conductive substrate is provided. Here, thermoplastic resin particles substantially free of a conductive agent are dispersed in a thermosetting resin base material containing the conductive agent to structure the resin layer; a value of mass ratio given by (thermoplastic resin particles)/(conductive agent) is 0.3 to 1.5; and a value given by (average thickness of conductive agent)/(average thickness of thermoplastic resin particles) is 0.3 to 4.0.

公开(公告)号：US20150214551A1

公开(公告)日：2015-07-30

申请号：US14414407

申请日：2013-07-11

Applicant: Furukawa Electric Co., Ltd. ,  UACJ Foil Corporation ,  UACJ Corporation

Inventor： Takayori Ito ,  Yasumasa Morishima ,  Hidekazu Hara ,  Takahiro Iida ,  Tsugio Kataoka ,  Mitsuya Inoue ,  Satoshi Yamabe ,  Osamu Kato ,  Yukiou Honkawa ,  Sohei Saito ,  Tatsuhiro Yaegashi

IPC: H01M4/66 ,  H01M4/62 ,  H01G11/70 ,  H01G11/68 ,  H01G11/48 ,  H01M4/13 ,  H01M10/052

CPC classification number: H01M4/661 ,  H01G11/28 ,  H01G11/32 ,  H01G11/38 ,  H01G11/48 ,  H01G11/68 ,  H01G11/70 ,  H01G2009/0007 ,  H01M4/13 ,  H01M4/622 ,  H01M4/625 ,  H01M10/052 ,  Y02E60/13

Abstract: The present invention provides a current collector foil; and an electrode structure, lithium secondary battery or an electrical double layer capacitor using the current collector foil, which can achieve superior high rate characteristics. Provided is a current collector foil for forming thereon an active material layer containing active material particles, wherein: the current collector foil is provided with a roughened portion; a cross sectional curve of the roughened portion has a box counting dimension of 1.1 or higher; and an average length of waviness motif AW of the cross-sectional curve of the roughened portion is longer than twice of D10, D10 being a particle diameter of the active material particle in particle size cumulative distribution, the active material particle being used for the active material layer formed on the current collector foil.

Abstract translation: 本发明提供集电箔; 电极结构，锂二次电池或使用集电箔的双电层电容器，其可以实现优异的高速率特性。 提供一种用于在其上形成含有活性物质颗粒的活性物质层的集电体箔，其中：集电箔具有粗糙部分; 粗糙部分的横截面曲线具有1.1或更高的盒计数尺寸; 粗糙部分的横截面曲线的波纹图案AW的平均长度长于D10的两倍，D10是粒径累积分布中活性物质颗粒的粒径，活性物质颗粒用于活性物质 在集电箔上形成的材料层。

公开(公告)号：US20150125757A1

公开(公告)日：2015-05-07

申请号：US14397115

申请日：2013-05-10

Applicant: UACJ Corporation ,  UACJ Foil Corporation

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Tsugio Kataoka ,  Satoshi Yamabe

IPC: H01M4/66 ,  H01M4/82

CPC classification number: H01M4/667 ,  H01G11/28 ,  H01G11/70 ,  H01M4/661 ,  H01M4/663 ,  H01M4/666 ,  H01M4/668 ,  H01M4/82 ,  H01M10/052 ,  Y02E60/13

Abstract: A current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device capable of providing superior shut down function are provided. According to the present invention, a current collector having a resin layer on at least one side of a conductive substrate, wherein: the resin layer has a thermoplastic resin dispersed in a thermosetting resin base material, the thermoplastic resin encapsuling a conductive agent; a value given by (average thickness of the conductive agent)/(average thickness of the thermoplastic resin) is 0.5 to 3; the conductive agent is formulated so that a value of volume % given by (conductive agent)/(conductive agent+thermoplastic resin) is 10 to 50%; and formulation ratio of the thermoplastic resin is 10 to 65%, is provided.

Abstract translation: 提供集电器，电极结构，非水电解质电池和能够提供优异的关闭功能的蓄电装置。 根据本发明，在导电性基材的至少一侧具有树脂层的集电体，其特征在于，所述树脂层具有分散在热固性树脂基材中的热塑性树脂，所述热塑性树脂封装有导电剂; 由（导电剂的平均厚度）/（热塑性树脂的平均厚度）给出的值为0.5〜3; 导电剂的配制使得（导电剂）/（导电剂+热塑性树脂）给出的体积％的值为10〜50％。 并且提供热塑性树脂的配制比为10至65％。

公开(公告)号：US20150118553A1

公开(公告)日：2015-04-30

申请号：US14399492

申请日：2013-05-10

Applicant: UACJ Corporation ,  UACJ Foil Corporation

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Tsugio Kataoka ,  Satoshi Yamabe

IPC: H01M4/62 ,  H01M4/04

CPC classification number: H01M4/625 ,  H01B1/24 ,  H01G11/28 ,  H01G11/68 ,  H01G11/70 ,  H01M2/348 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/661 ,  H01M4/663 ,  H01M4/666 ,  H01M4/667 ,  H01M4/668 ,  H01M10/052 ,  H01M2200/106 ,  Y02E60/13

Abstract: Current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device having superior shut down function are provided. According to the present invention, a current collector having a resin layer on at least one side of a conductive substrate is provided. Here, thermoplastic resin particles substantially free of a conductive agent are dispersed in a thermosetting resin base material containing the conductive agent to structure the resin layer; a value of mass ratio given by (thermoplastic resin particles)/(conductive agent) is 0.3 to 1.5; and a value given by (average thickness of conductive agent)/(average thickness of thermoplastic resin particles) is 0.3 to 4.0.

Abstract translation: 提供集电器，电极结构，非水电解质电池和具有优异的关闭功能的蓄电装置。 根据本发明，提供一种在导电性基板的至少一侧具有树脂层的集电体。 这里，基本上不含导电剂的热塑性树脂颗粒分散在含有导电剂的热固性树脂基材中以构成树脂层; 由（热塑性树脂颗粒）/（导电剂）给出的质量比值为0.3〜1.5; 由（导电剂的平均厚度）/（热塑性树脂粒子的平均厚度）给出的值为0.3〜4.0。

公开(公告)号：US09741498B2

公开(公告)日：2017-08-22

申请号：US14414399

申请日：2013-07-11

Applicant: Furukawa Electric Co., Ltd. ,  UACJ Foil Corporation ,  UACJ Corporation

Inventor： Takahiro Iida ,  Yasumasa Morishima ,  Takayori Ito ,  Hidekazu Hara ,  Tsugio Kataoka ,  Mitsuya Inoue ,  Satoshi Yamabe ,  Osamu Kato ,  Yukiou Honkawa ,  Sohei Saito ,  Tatsuhiro Yaegashi

IPC: H01M10/052 ,  H01G11/68 ,  H01G11/66 ,  H01M4/62 ,  H01M4/66 ,  H01M10/42 ,  H01G11/28 ,  H01G11/70 ,  H01G11/04 ,  H01G11/50 ,  H01C7/02

CPC classification number: H01G11/66 ,  H01C7/027 ,  H01G11/04 ,  H01G11/28 ,  H01G11/50 ,  H01G11/68 ,  H01G11/70 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M4/667 ,  H01M10/052 ,  H01M10/4235 ,  Y02E60/13

Abstract: Provided are a current collector which has an excellent high-rate property and exerts a sufficient safety function when employed in a secondary battery or a capacitor, as well as an electrode, a secondary battery or a capacitor in which said current collector is employed. According to the invention, a current collector is provided which comprises: metal foil; and a conductive layer with a film thickness of 0.1 μm to 10 μm formed on a surface of said metal foil. Here, said conductive layer includes a conductive material and a binder material. A melting point of said binder material is 80° C. to 150° C. Further, said binder material shows, in differential scanning calorimetry (DSC) in a range from room temperature to 200° C., one or more endothermic peaks in the heating-up process. In a case where said binder material shows two or more endothermic peaks, each difference between said peaks is 15° C. or more. Moreover, said binder material shows one or more exothermic peaks in the cooling-down process. In a case where said binder material shows only one exothermic peak, said exothermic peak falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less. On the other hand, in a case where said binder material shows two or more exothermic peaks, a maximum exothermic peak among said exothermic peaks falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less.

公开(公告)号：US20160276673A1

公开(公告)日：2016-09-22

申请号：US15170469

申请日：2016-06-01

Applicant: UACJ Corporation ,  UACJ Foil Corporation

Inventor： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Tsugio Kataoka ,  Satoshi Yamabe

IPC: H01M4/66 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/505 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2/16 ,  H01M10/0587 ,  H01M2/02 ,  H01M4/04

CPC classification number: H01M4/668 ,  H01G11/28 ,  H01G11/66 ,  H01G11/68 ,  H01G11/70 ,  H01M2/0237 ,  H01M2/162 ,  H01M2/1653 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/505 ,  H01M4/587 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M4/667 ,  H01M10/05 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2220/20 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

Abstract: A manufacturing method for a current collector includes dispersing and agitating a fluorine-based resin and conductive particles for 5 to 60 minutes at 1000 to 5000 rpm, dispersing and agitating the fluorine-based resin and conductive particles for 10 to 120 minutes at 2000 to 7000 rpm. The resin layer includes a fluorine-based resin and conductive particles, has a thickness of 0.3 to 20 μm. The current collector has one or more of: (1) average diameter of the particles is 0.5 to 25 μm, and a surface occupying ratio of the particles at a surface is 10 to 50%; (2) surface resistance of the resin layer at 20° C. is 1.0 to 10Ω, resistance after heating at 220° C. is 200 to 600Ω, and (3) surface resistance of the resin layer at 20° C. is 1.8 to 9.7Ω, resistance after heating at 180° C. is 209 to 532Ω.

Abstract translation: 集电体的制造方法包括以1000〜5000rpm将氟系树脂和导电粒子分散搅拌5〜60分钟，在2000〜7000℃下分散并搅拌氟树脂和导电粒子10〜120分钟 rpm。 树脂层包括氟基树脂和导电颗粒，其厚度为0.3至20μm。 集电体具有以下一个或多个：（1）颗粒的平均直径为0.5〜25μm，表面的颗粒的表面占有率为10〜50％。 （2）树脂层在20℃下的表面电阻为1.0〜10Ω，220℃下加热后的电阻为200〜600Ω，（3）树脂层在20℃下的表面电阻为1.8〜 9.7Ω，180°C加热后的电阻为209〜532Ω。

公开(公告)号：US20150280241A1

公开(公告)日：2015-10-01

申请号：US14427298

申请日：2013-09-18

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  UACJ Corporation ,  UACJ FOIL CORPORATION

Inventor： Hidekazu Hara ,  Takahiro Iida ,  Yasumasa Morishima ,  Takayori Ito ,  Sohei Saito ,  Osamu Kato ,  Yukiou Honkawa ,  Tatsuhiro Yaegashi ,  Tsugio Kataoka ,  Mitsuya Inoue ,  Satoshi Yamabe

IPC: H01M4/66 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/667 ,  H01G11/66 ,  H01M4/13 ,  H01M4/623 ,  H01M4/624 ,  H01M4/625 ,  H01M4/661 ,  H01M4/663 ,  H01M4/668 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2200/106 ,  H01M2220/30 ,  Y02E60/13 ,  Y02T10/7022

Abstract: The present invention provides a current collector having a conductive layer which is excellent in adhesion strength and can exhibit a PTC function for stably contributing to safety, when used for an electrode structure for non-aqueous electrolyte batteries or for electrical storage devices. A current collector, including a metal foil and a conductive layer formed on at least one side of the metal foil, the conductive layer being formed partially or entirely on the surface of the metal foil; is provided. Here, the conductive layer contains core shell particles including core particles 114 having insulating crystalline polymer as a main component, and a shell layer 116 having conductivity, the shell layer 116 being formed on the surface of the core particles 114.

Abstract translation: 本发明提供一种具有导电层的集电体，当用于非水电解质电池的电极结构或用于蓄电装置时，其粘附强度优异并且可以呈现用于稳定有助于安全性的PTC功能。 一种集电器，包括金属箔和形成在所述金属箔的至少一侧上的导电层，所述导电层部分地或全部地形成在所述金属箔的表面上; 被提供。 这里，导电层含有包含具有绝缘结晶聚合物作为主要成分的核心粒子114和具有导电性的壳层116的芯壳粒子，壳层116形成在芯粒子114的表面上。

公开(公告)号：US20150221452A1

公开(公告)日：2015-08-06

申请号：US14414399

申请日：2013-07-11

Applicant: Furukawa Electric Co., Ltd. ,  UACJ Foil Corporation ,  UACJ Corporation

Inventor： Takahiro Iida ,  Yasumasa Morishima ,  Takayori Ito ,  Hidekazu Hara ,  Tsugio Kataoka ,  Mitsuya Inoue ,  Satoshi Yamabe ,  Osamu Kato ,  Yukiou Honkawa ,  Sohei Saito ,  Tatsuhiro Yaegashi

IPC: H01G11/66 ,  H01M4/66 ,  H01G11/04

CPC classification number: H01G11/66 ,  H01C7/027 ,  H01G11/04 ,  H01G11/28 ,  H01G11/50 ,  H01G11/68 ,  H01G11/70 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M4/667 ,  H01M10/052 ,  H01M10/4235 ,  Y02E60/13

Abstract: Provided are a current collector which has an excellent high-rate property and exerts a sufficient safety function when employed in a secondary battery or a capacitor, as well as an electrode, a secondary battery or a capacitor in which said current collector is employed. According to the invention, a current collector is provided which comprises: metal foil; and a conductive layer with a film thickness of 0.1 μm to 10 μm formed on a surface of said metal foil. Here, said conductive layer includes a conductive material and a binder material. A melting point of said binder material is 80° C. to 150° C. Further, said binder material shows, in differential scanning calorimetry (DSC) in a range from room temperature to 200° C., one or more endothermic peaks in the heating-up process. In a case where said binder material shows two or more endothermic peaks, each difference between said peaks is 15° C. or more. Moreover, said binder material shows one or more exothermic peaks in the cooling-down process. In a case where said binder material shows only one exothermic peak, said exothermic peak falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less. On the other hand, in a case where said binder material shows two or more exothermic peaks, a maximum exothermic peak among said exothermic peaks falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less.

Abstract translation: 提供一种集电器，其具有优异的高速性能并且在二次电池或电容器中使用时具有足够的安全功能，以及其中采用集电器的电极，二次电池或电容器。 根据本发明，提供一种集电器，其包括：金属箔; 以及形成在所述金属箔的表面上的膜厚度为0.1μm至10μm的导电层。 这里，所述导电层包括导电材料和粘合剂材料。 所述粘合剂材料的熔点为80℃至150℃。此外，所述粘合剂材料在差示扫描量热法（DSC）中在室温至200℃的范围内显示出一个或多个吸热峰 加热过程。 在所述粘合剂材料显示两个或更多个吸热峰的情况下，所述峰之间的每个差为15℃或更高。 此外，所述粘合剂材料在冷却过程中显示一个或多个放热峰。 在所述粘合剂材料仅显示一个放热峰的情况下，所述放热峰落在50〜120℃的范围内，所述放热峰的半值宽度为10℃以下。 另一方面，在所述粘合剂材料显示两个以上的放热峰的情况下，所述放热峰中的最大放热峰落在50〜120℃的范围内，所述放热峰的半峰宽度为 10℃以下。