公开(公告)号：US20140170488A1

公开(公告)日：2014-06-19

申请号：US14235782

申请日：2012-07-27

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

IPC分类号： H01G11/68 ,  H01M4/66

CPC分类号： H01G11/68 ,  H01G11/28 ,  H01G11/70 ,  H01M4/13 ,  H01M4/663 ,  H01M4/667 ,  H01M4/668 ,  Y02E60/13

摘要： An object of the present invention is to provide a current collector which can decrease the internal resistance of a non-aqueous electrolyte battery, be used suitably for a non-aqueous electrolyte battery such as a lithium ion secondary battery and the like or for an electrical storage device such as a lithium ion capacitor and the like, and improve high rate characteristics. According to the present invention, a current collector which is structured by forming a resin layer possessing conductivity on at least one side of a conductive substrate is provided. The resin layer contains a chitosan-based resin and a conductive material, and the water contact angle of the surface of the resin layer measured by θ/2 method in a thermostatic chamber at 23° C. is 5 degrees or more and 60 degrees or less. In addition, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device which use the current collector are provided.

摘要翻译： 本发明的目的是提供一种能够降低非水电解质电池的内阻的集电体，适合用于锂离子二次电池等非水电解质电池或电气 存储装置，例如锂离子电容器等，并且提高高速率特性。 根据本发明，提供一种集电体，其通过在导电性基板的至少一侧形成具有导电性的树脂层而构成。 树脂层含有壳聚糖类树脂和导电性材料，并且在23℃的恒温室中测定的树脂层的表面与水的接触角为/ 5度〜60度 或更少。 此外，提供了使用集电体的电极结构体，非水电解质电池和蓄电装置。

公开(公告)号：US20140178766A1

公开(公告)日：2014-06-26

申请号：US14235785

申请日：2012-07-27

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

IPC分类号： H01G11/48 ,  H01M4/66

CPC分类号： H01G11/48 ,  H01G11/28 ,  H01G11/38 ,  H01G11/68 ,  H01M4/661 ,  H01M4/662 ,  H01M4/667 ,  H01M4/668 ,  H01M10/052 ,  Y02E60/13

摘要： Provided is a technique to confirm the performance of the conductive resin layer of a current collector without actually preparing an electrode structure, a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor, or an electrical storage device, and to confirm the performance of the conductive resin layer easily with high accuracy by a non-destructive test. A current collector includes a conductive substrate and a resin layer possessing conductivity, the resin layer being formed on at least one side of the conductive substrate. The resin layer possessing conductivity contains a resin and a conductive material containing carbon as a main component. When the color tone of the surface of the resin layer possessing conductivity is specified with L*a*b* color system, L* is 60 or lower, a* is −1.0 to 1.0, and b* is −1.0 to 3.0.

摘要翻译： 本发明提供确认集电体的导电性树脂层的性能而不实际制备电极结构，非水电解质电池，双电层电容器，锂离子电容器或蓄电装置的技术， 通过非破坏性试验，以高精度容易地确认导电性树脂层的性能。 集电体包括导电基板和具有导电性的树脂层，树脂层形成在导电基板的至少一侧上。 具有导电性的树脂层包含树脂和以碳为主要成分的导电材料。 当具有导电性的树脂层的表面的色调用L * a * b *色系指定时，L *为60以下，a *为-1.0〜1.0，b *为-1.0〜3.0。

公开(公告)号：US09336959B2

公开(公告)日：2016-05-10

申请号：US14235782

申请日：2012-07-27

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

IPC分类号： H01M4/13 ,  H01G11/68 ,  H01M4/66 ,  H01G11/28 ,  H01G11/70

CPC分类号： H01G11/68 ,  H01G11/28 ,  H01G11/70 ,  H01M4/13 ,  H01M4/663 ,  H01M4/667 ,  H01M4/668 ,  Y02E60/13

摘要： An object of the present invention is to provide a current collector which can decrease the internal resistance of a non-aqueous electrolyte battery, be used suitably for a non-aqueous electrolyte battery such as a lithium ion secondary battery and the like or for an electrical storage device such as a lithium ion capacitor and the like, and improve high rate characteristics. According to the present invention, a current collector which is structured by forming a resin layer possessing conductivity on at least one side of a conductive substrate is provided. The resin layer contains a chitosan-based resin and a conductive material, and the water contact angle of the surface of the resin layer measured by θ/2 method in a thermostatic chamber at 23° C. is 5 degrees or more and 60 degrees or less. In addition, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device which use the current collector are provided.

摘要翻译： 本发明的目的是提供一种能够降低非水电解质电池的内阻的集电体，适合用于锂离子二次电池等非水电解质电池或电气 存储装置，例如锂离子电容器等，并且提高高速率特性。 根据本发明，提供一种集电体，其通过在导电性基板的至少一侧形成具有导电性的树脂层而构成。 树脂层含有壳聚糖类树脂和导电材料，并且在23℃的恒温室中测定的树脂层的表面的水接触角为/ 5度〜60度 或更少。 此外，提供了使用集电体的电极结构体，非水电解质电池和蓄电装置。

公开(公告)号：US20140162122A1

公开(公告)日：2014-06-12

申请号：US14235775

申请日：2012-07-27

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

IPC分类号： H01G11/26 ,  H01M4/62 ,  H01M4/66

CPC分类号： H01G11/26 ,  H01G11/68 ,  H01G11/70 ,  H01M4/13 ,  H01M4/622 ,  H01M4/624 ,  H01M4/66 ,  H01M4/667 ,  H01M4/668 ,  H01M10/0525 ,  Y02E60/13

摘要： An object of the present invention is to improve an adhesion between the surface of a conductive resin layer and an active material, which are provided to a current collector. Another object of the present invention is to improve a high rate characteristics or electrode lifetime of a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor and the like which uses the current collector. A current collector prepared by forming a resin layer possessing conductivity on a conductive substrate, is provided. A surface roughness Ra of the resin layer possessing conductivity is 0.1 μm or higher and 1.0 μm or lower. In addition, when a coating thickness of the resin layer possessing conductivity is taken as t [μm] and the average angle of inclination of the resin layer surface is taken as θa [degree], (⅓)t+0.5≦θa≦(⅓)t+10 is met.

摘要翻译： 本发明的目的在于提高导电性树脂层的表面与活性物质之间的粘附性，并且提供给集电体。 本发明的另一个目的是提高使用集电体的非水电解质电池，双电层电容器，锂离子电容器等的高速率特性或电极寿命。 提供通过在导电性基板上形成具有导电性的树脂层而制备的集电体。 具有导电性的树脂层的表面粗糙度Ra为0.1μm以上且1.0μm以下。 另外，当具有导电性的树脂层的涂层厚度取为t [μm]，树脂层表面的平均倾斜角度取为：[度]，（1/3）t + 0.5＆nlE; ; a＆nlE;（1/3）t + 10。

公开(公告)号：US09659716B2

公开(公告)日：2017-05-23

申请号：US14235785

申请日：2012-07-27

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Satoshi Yamabe

IPC分类号： H01G11/48 ,  H01G11/28 ,  H01G11/68 ,  H01M4/66 ,  H01M10/052 ,  H01G11/38

CPC分类号： H01G11/48 ,  H01G11/28 ,  H01G11/38 ,  H01G11/68 ,  H01M4/661 ,  H01M4/662 ,  H01M4/667 ,  H01M4/668 ,  H01M10/052 ,  Y02E60/13

摘要： Provided is a technique to confirm the performance of the conductive resin layer of a current collector without actually preparing an electrode structure, a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor, or an electrical storage device, and to confirm the performance of the conductive resin layer easily with high accuracy by a non-destructive test. A current collector includes a conductive substrate and a resin layer possessing conductivity, the resin layer being formed on at least one side of the conductive substrate. The resin layer possessing conductivity contains a resin and a conductive material containing carbon as a main component. When the color tone of the surface of the resin layer possessing conductivity is specified with L*a*b* color system, L* is 60 or lower, a* is −1.0 to 1.0, and b* is −1.0 to 3.0.

公开(公告)号：US09911546B2

公开(公告)日：2018-03-06

申请号：US14235750

申请日：2011-07-29

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Tsugio Kataoka

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Tsugio Kataoka

IPC分类号： H01M4/80 ,  H01G11/68 ,  H01B1/12 ,  H01M4/66 ,  H01G11/28 ,  H01M10/0525

CPC分类号： H01G11/68 ,  H01B1/122 ,  H01G11/28 ,  H01M4/66 ,  H01M4/661 ,  H01M4/667 ,  H01M4/668 ,  H01M10/0525 ,  Y02E60/13

摘要： A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive resin layer contains a soluble nitrocellulose-based resin and a conductive material.

公开(公告)号：US20140315094A1

公开(公告)日：2014-10-23

申请号：US14235750

申请日：2011-07-29

申请人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Tsugio Kataoka

发明人： Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Tsugio Kataoka

IPC分类号： H01G11/68 ,  H01M4/66

CPC分类号： H01G11/68 ,  H01B1/122 ,  H01G11/28 ,  H01M4/66 ,  H01M4/661 ,  H01M4/667 ,  H01M4/668 ,  H01M10/0525 ,  Y02E60/13

摘要： A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive resin layer contains a soluble nitrocellulose-based resin and a conductive material.

摘要翻译： 提供适合于大电流密度的放电和充电的集电器。 本发明提供一种集电器，其包括导电基板和设置在导电基板的一侧或两侧的导电树脂层。 导电树脂层含有可溶性硝基纤维素类树脂和导电材料。

公开(公告)号：US20140255788A1

公开(公告)日：2014-09-11

申请号：US14235712

申请日：2011-07-29

申请人： Masakuzu Seki ,  Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Satoshi Suzuki ,  Koichi Ashizawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Kenji Yamamoto

发明人： Masakuzu Seki ,  Osamu Kato ,  Sohei Saito ,  Yukiou Honkawa ,  Satoshi Suzuki ,  Koichi Ashizawa ,  Mitsuyuki Wasamoto ,  Kenichi Kadowaki ,  Kenji Yamamoto

IPC分类号： H01G11/68 ,  H01M4/66

CPC分类号： H01G11/68 ,  C22C21/00 ,  C22F1/00 ,  C22F1/04 ,  H01M4/662 ,  H01M4/667 ,  H01M4/668 ,  H01M10/0525

摘要： An object of the present invention is to provide a current collector which includes an aluminum alloy foil for electrode current collector, with high electrical conductivity and high strength after a drying process performed after application of an active material. According to the present invention, provided is a current collector including a conductive substrate and a resin layer provided on one side or both sides of the conductive substrate, wherein: the conductive substrate is an aluminum alloy foil containing 0.03 to 1.0 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.3% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, an aluminum alloy foil after a final cold rolling having a tensile strength of 180 MPa or higher, a 0.2% yield strength of 160 MPa or higher, and an electrical conductivity of 58% IACS or higher; an aluminum alloy foil after performing a heat treatment at 120° C. for 24 hours, at 140° C. for 3 hours, or at 160° C. for 15 minutes after the final cold rolling having a tensile strength of 170 MPa or higher, and a 0.2% yield strength of 150 MPa or higher; the resin layer includes a resin containing an acryl-based resin, a soluble nitrocellulose-based resin or a chitosan-based resin, and a conductive material; and a water contact angle of the resin layer surface measured by θ/2 method in a thermostatic chamber at 23° C. is 30 degrees or more and 105 degrees or less when the resin is the acryl-based resin, 100 degrees of more and 110 degrees or less when the resin is the soluble nitrocellulose-based resin, and 20 degrees or more and 50 degrees or less when the resin is the chitosan-based resin.

摘要翻译： 本发明的目的是提供一种集电器，其包括用于电极集电器的铝合金箔，在施加活性材料之后进行干燥处理之后具有高导电性和高强度。 根据本发明，提供一种集电体，其包括导电基板和设置在导电基板的一侧或两侧的树脂层，其中：导电性基板为含有0.03〜1.0质量％的铝合金箔（以下称为质量 ％为Fe，0.01〜0.3％的Si，0.0001〜0.2％的Cu，余量为Al和不可避免的杂质，最终冷轧后的铝合金箔的拉伸强度为180MPa， 更高，0.2％屈服强度为160MPa以上，电导率为58％IACS以上; 在120℃下热处理24小时，在140℃下3小时，或在160℃下进行15分钟后的拉伸强度为170MPa以上的铝合金箔 ，0.2％的屈服强度为150MPa以上; 树脂层包括含有丙烯酸类树脂，可溶性硝酸纤维素类树脂或壳聚糖类树脂的树脂和导电性材料; 并且当树脂是丙烯酸类树脂时，在23℃的恒温室中测定的树脂层表面的水接触角为30度以上且105度以下，100度以上 当树脂是可溶性硝酸纤维素类树脂时为110度以下，树脂为壳聚糖类树脂时为20度以上且50度以下。