Patents Assigned to Sumitomo Electric Toyama Co., Ltd.
  • Patent number: 8476529
    Abstract: An aluminum electric wire includes an annealing conductor that is made up of elemental wires made of an aluminum alloy containing 0.90-1.20 mass % Fe, 0.10-0.25 mass % Mg, 0.01-0.05 mass % Ti, 0.0005-0.0025 mass % B, and the balance being Al and has a tensile strength of 110 MPa or more, a breaking elongation of 15% or more, and an electric conductivity of 58% IACS or more, and an insulating material covering the conductor. The wire is produced by casting an aluminum alloy prepared by rapidly solidifying a molten aluminum alloy having the above composition, producing the wires by subjecting the alloy to plasticity processing, producing the conductor by bunching the wires, subjecting the wires or the conductor to annealing at 250° C. or higher, and then covering the conductor with the insulator.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: July 2, 2013
    Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd., Sumitomo Electric Toyama Co., Ltd.
    Inventors: Yasuyuki Otsuka, Masanobu Yoshimura, Kotaro Maeda, Jun Yoshimoto, Masashi Kimura, Taichirou Nishikawa, Misato Kusakari, Shinichi Kitamura, Hiroaki Takai
  • Patent number: 8465875
    Abstract: It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body for a current collector which is suitably used for electrodes for nonaqueous electrolyte batteries and electrodes for capacitors, an electrode and a capacitor each using the same. In such a three-dimensional network aluminum porous body for a current collector, the aluminum porous body has been made to have a compressive strength in a thickness direction of 0.2 MPa or more in order to efficiently fill an active material into the sheet-shaped three-dimensional network aluminum porous body.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: June 18, 2013
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Toyama Co., Ltd.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
  • Publication number: 20130126231
    Abstract: An aluminum alloy, an aluminum alloy wire, an aluminum alloy stranded wire, a covered electric wire, and a wire harness that are of high toughness and high electrical conductivity, and a method of manufacturing an aluminum alloy wire are provided. The aluminum alloy wire contains not less than 0.005% and not more than 2.2% by mass of Fe, and a remainder including Al and an impurity. It may further contain not less than 0.005% and not more than 1.0% by mass in total of at least one additive element selected from Mg, Si, Cu, Zn, Ni, Mn, Ag, Cr, and Zr. The Al alloy wire has an electrical conductivity of not less than 58% IACS and an elongation of not less than 10%. The Al alloy wire is manufactured through the successive steps of casting, rolling, wiredrawing, and softening treatment.
    Type: Application
    Filed: December 19, 2012
    Publication date: May 23, 2013
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
  • Publication number: 20130045425
    Abstract: It is an object of the present invention to provide a three-dimensional network aluminum porous body which can be used for a process continuously producing an electrode and enables to produce a current collector having small electric resistance in the current collecting direction, and an electrode using the aluminum porous body, and a production method thereof. In a sheet-shaped three-dimensional network aluminum porous body for a current collector, when one of two directions orthogonal to each other is taken as an X-direction and the other is taken as a Y-direction, a cell diameter in the X-direction of the three-dimensional network aluminum porous body differs from a cell diameter in the Y-direction thereof.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 21, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Patent number: 8377567
    Abstract: A porous metal member composed of an alloy at least containing nickel and tungsten is provided. The alloy may contain 50 to 80 wt % of nickel and 20 to 50 wt % of tungsten and may further contain 10 wt % or less of phosphorus and/or 10 wt % or less of boron. Such a porous metal member can be produced by, for example, making a porous base such as a urethane foam be electrically conductive, forming an alloy film containing nickel and tungsten, then removing the porous base from the alloy film, and subsequently reducing the alloy.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: February 19, 2013
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Toyama Co., Ltd.
    Inventors: Kazuki Okuno, Masahiro Kato, Tomoyuki Awazu, Masatoshi Majima, Hidetoshi Saito, Keiji Shiraishi, Hitoshi Tsuchida, Junichi Nishimura
  • Publication number: 20130040046
    Abstract: It is an object of the present invention to provide a method for producing an electrode for an electrochemical element at low cost. The method for producing an electrode for an electrochemical element of the present invention includes a slurry preparation step of preparing a slurry of a mixture containing an active material, a slurry filling step of filling the slurry into continuous pores of an aluminum porous body having the continuous pores, and a slurry drying step of drying the filled slurry, wherein in the slurry preparation step, a slurry is prepared by using water as a solvent.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Publication number: 20130040196
    Abstract: It is an object of the present invention to provide an electrochemical element which has a high capacity and is low in cost. The electrochemical element of the present invention is an electrochemical element including an electrode for an electrochemical element, wherein a current collector of positive electrode and/or a current collector of negative electrode is a metal porous body having continuous pores and a mixture containing an active material is filled into the continuous pores.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Publication number: 20130040205
    Abstract: The method for producing an electrode for an electrochemical element of the present invention includes a slurry filling step of filling a slurry containing an active material into continuous pores of an aluminum porous body having the continuous pores, and a slurry drying step of drying the slurry filled, and in this method, after the slurry drying step, an electrode for an electrochemical element is produced without undergoing a compressing step of compressing the aluminum porous body having the slurry filled therein and dried. In the electrode, a mixture containing an active material is filled into continuous pores of an aluminum porous body having the continuous pores, and porosity (%) of the aluminum porous body, the porosity being represented by the following equation, is 15 to 55%.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Publication number: 20130040195
    Abstract: In an electrode according to the present invention including a three-dimensional network aluminum porous body as a base material, the electrode is a sheet-shaped electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the longitudinal direction and thickness direction of the electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the width direction and thickness direction of the electrode. The electrode is preferably obtained by subjecting the three-dimensional network aluminum porous body to at least a current collecting lead welding step, an active material filling step and a compressing step.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Patent number: 8353993
    Abstract: An aluminum alloy, an aluminum alloy wire, an aluminum alloy stranded wire, a covered electric wire, and a wire harness that are of high toughness and high electrical conductivity, and a method of manufacturing an aluminum alloy wire are provided. The aluminum alloy wire contains not less than 0.005% and not more than 2.2% by mass of Fe, and a remainder including Al and an impurity. It may further contain not less than 0.005% and not more than 1.0% by mass in total of at least one additive element selected from Mg, Si, Cu, Zn, Ni, Mn, Ag, Cr, and Zr. The Al alloy wire has an electrical conductivity of not less than 58% IACS and an elongation of not less than 10%. The Al alloy wire is manufactured through the successive steps of casting, rolling, wiredrawing, and softening treatment.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: January 15, 2013
    Assignees: Sumitomo Electric Industries, Ltd., Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Toyama Co., Ltd.
    Inventors: Misato Kusakari, Yoshihiro Nakai, Taichirou Nishikawa, Yoshiyuki Takaki, Yasuyuki Ootsuka
  • Publication number: 20130008217
    Abstract: It is an object of the present invention to provide a method for producing an electrode for an electrochemical element, which can easily adjust a capacity and can produce the electrochemical element at low cost. The method for producing an electrode for an electrochemical element of the present invention includes a thickness adjustment step of compressing an aluminum porous body having continuous pores to adjust the thickness of the aluminum porous body to a predetermined thickness, and a filling step of filling the aluminum porous body, the thickness of which is adjusted, with an active material.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 10, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Junichi Nishimura, Hideaki Sakaida
  • Publication number: 20130010401
    Abstract: A three-dimensional network aluminum porous body in which the amount of aluminum forming a skeleton of the three-dimensional network aluminum porous body is uneven in the thickness direction, and a current collector and an electrode each using the aluminum porous body, and a manufacturing method thereof. In such a sheet-shaped three-dimensional network aluminum porous body for a current collector, the amount of aluminum forming a skeleton of the three-dimensional network aluminum porous body is uneven in the thickness direction. For example, in the case where a cross section in the thickness direction of the three-dimensional network aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, each region is configured so that the average of the amounts of aluminum in the region 1 and the region 3 differs from the amount of aluminum in the region 2.
    Type: Application
    Filed: May 30, 2012
    Publication date: January 10, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Publication number: 20130004844
    Abstract: The present invention provides a three-dimensional network aluminum porous body in which the cell diameter of the three-dimensional network aluminum porous body is uneven in the thickness direction, and a current collector and an electrode respectively using the aluminum porous body, and a production method thereof. That is, such a sheet-shaped three-dimensional network aluminum porous body for a current collector has a cell diameter uneven in the thickness direction. Particularly, it is preferred that when a cross section in the thickness direction of the three-dimensional network aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, the average of the cell diameter in the region 1 and the cell diameter in the region 3 differs from the cell diameter in the region 2.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 3, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Publication number: 20130004854
    Abstract: The present invention aims at providing an electrode for an electrochemical element having adequately high capacity and output. The electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the conduction aid in the mixture is 0 to 4 mass %. Further, the electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the binder in the mixture is less than 5 mass %.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 3, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Publication number: 20130004856
    Abstract: It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body which is suitably used as current collector base materials of an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor using a nonaqueous electrolytic solution, and an electrode, a capacitor and a lithium-ion capacitor, each using the sheet-shaped three-dimensional network aluminum porous body. For this object, the three-dimensional network aluminum porous body for a current collector of the present invention is a sheet-shaped three-dimensional network aluminum porous body, and a skeleton forming the aluminum porous body has a surface roughness (Ra) of 3 ?m or more, and preferably 3 ?m or more and 50 ?m or less.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 3, 2013
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
  • Publication number: 20120328941
    Abstract: It is an object of the present invention to provide an electrode using a current collector made of an aluminum porous body which is suitably used for an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor, and a method for producing the electrode. In the current collector of the present invention, a strip-shaped compressed part compressed in a thickness direction is formed at one end part of a three-dimensional network aluminum porous body and a tab lead is bonded to the compressed part by welding. The width of the compressed part is 2 to 10 mm. Further, the electrode is formed by filling the current collector with an active material.
    Type: Application
    Filed: July 2, 2012
    Publication date: December 27, 2012
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Publication number: 20120328957
    Abstract: It is an object of the present invention to provide a three-dimensional network aluminum porous body which enables to produce an electrode continuously, an electrode using the aluminum porous body, and a method for producing the electrode. The present invention provides a long sheet-shaped three-dimensional network aluminum porous body to be used as a base material in a method for producing an electrode including at least winding off, a thickness adjustment step, a lead welding step, an active material filling step, a drying step, a compressing step, a cutting step and winding-up, wherein the three-dimensional network aluminum porous body has a tensile strength of 0.2 MPa or more and 5 MPa or less.
    Type: Application
    Filed: July 2, 2012
    Publication date: December 27, 2012
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Publication number: 20120315540
    Abstract: It is an object of the present invention to provide an aluminum porous body for a current collector in which electric resistivity is reduced to enhance current collecting performance, and an electrode, a nonaqueous electrolyte battery, a capacitor and a lithium-ion capacitor each using the aluminum porous body for a current collector. Such a sheet-shaped three-dimensional network aluminum porous body of the present invention is a three-dimensional network aluminum porous body for a current collector including an electric resistivity in an in-plane direction and in a thickness direction of 0.5 m?cm or less. An electrode can be configured by using the three-dimensional network aluminum porous body for a current collector, and further a nonaqueous electrolyte battery, a capacitor and a lithium-ion capacitor can be configured by using the electrode.
    Type: Application
    Filed: May 14, 2012
    Publication date: December 13, 2012
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
  • Publication number: 20120295169
    Abstract: Provided is a structure for effectively utilizing a novel metal porous body, such as an aluminum porous body, having a three-dimensional network structure as a battery electrode. An air battery that uses oxygen as a positive electrode active material includes an aluminum porous body having a three-dimensional network structure, the aluminum porous body functioning as a positive electrode collector, wherein an electrode that includes a positive electrode layer containing a catalyst and a binder and provided on a surface of a skeleton of the aluminum porous body is used. Furthermore, provided are an electrode having continuous pores in a state where a positive electrode layer is provided on a surface of a skeleton of an aluminum porous body, an electrode having a continuous hollow portion inside a skeleton thereof, and an air battery including any of the electrodes.
    Type: Application
    Filed: June 13, 2012
    Publication date: November 22, 2012
    Applicants: SUMITOMO ELECTRIC TOYAMA CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Publication number: 20120288757
    Abstract: It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body for a current collector which is suitably used for electrodes for nonaqueous electrolyte batteries and electrodes for capacitors, an electrode and a capacitor each using the same. The three-dimensional network aluminum porous body for a current collector of the present invention is a sheet-shaped three-dimensional network aluminum porous body for a current collector used for electrodes, and the aluminum porous body has been made to have an average cell diameter of 50 ?m or more and 1000 ?m or less in order to enhance the filling performance of an active material slurry.
    Type: Application
    Filed: May 30, 2012
    Publication date: November 15, 2012
    Applicants: SUMITOMO ELECTRIC TOYAMA CO, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura