公开(公告)号：US20220320530A1

公开(公告)日：2022-10-06

申请号：US17608949

申请日：2020-04-15

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Koma NUMATA ,  Masatoshi MAJIMA ,  Mitsuyasu OGAWA ,  Yohei NODA

IPC: H01M8/0232 ,  C01G51/04 ,  C01G53/04

Abstract: A porous body comprises a framework having a three-dimensional network structure, the framework having a body including nickel and cobalt as constituent elements, the body of the framework including the cobalt at a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt, the framework having a surface with an arithmetic mean roughness of 0.05 μm or more, the porous body being increased in volume by 1% or more for a shape of an external appearance thereof after the porous body undergoes a heat treatment in the atmosphere at 800° C. for 200 hours with a load of 16 kPa applied.

公开(公告)号：US20210202960A1

公开(公告)日：2021-07-01

申请号：US17270656

申请日：2019-07-25

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Chihiro HIRAIWA ,  Mitsuyasu OGAWA ,  Takahiro HIGASHINO ,  Koma NUMATA ,  Masatoshi MAJIMA

IPC: H01M8/0232 ,  H01M8/0241 ,  H01M8/0247 ,  H01M8/12

Abstract: A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.

公开(公告)号：US20210013534A1

公开(公告)日：2021-01-14

申请号：US16977235

申请日：2019-02-14

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Chihiro HIRAIWA ,  Naho MIZUHARA ,  Mitsuyasu OGAWA ,  Hiromasa TAWARAYAMA ,  Takahiro HIGASHINO ,  Masatoshi MAJIMA

IPC: H01M8/1213 ,  H01M4/90 ,  H01M8/1246 ,  C01G25/00

Abstract: An electrolyte layer-anode composite member includes an anode including a first metal oxide having a perovskite crystal structure, and a solid electrolyte layer including a second metal oxide having a perovskite crystal structure, the anode including at least one of nickel and a nickel compound, the anode having a sheet-like shape, the solid electrolyte layer having a sheet-like shape, the solid electrolyte layer being stacked on the anode, the anode having a thickness Ta of 850 μm or more. The thickness Ta of the anode and a thickness Te of the solid electrolyte layer may satisfy a relation of 0.003≤Te/Ta≤0.036. The thickness Ta of the anode and a diameter Da of the anode may satisfy a relation of 55≤Ta/Da≤300.

公开(公告)号：US20200063281A1

公开(公告)日：2020-02-27

申请号：US16462618

申请日：2017-09-12

Applicant: Sumitomo Electric Industries, Ltd. ,  Kyoto University

Inventor： Koma NUMATA ,  Masatoshi MAJIMA ,  Tomoyuki AWAZU ,  Mitsuyasu OGAWA ,  Toshiyuki NOHIRA ,  Kouji YASUDA ,  Yutaro NORIKAWA

IPC: C25D3/66 ,  C25D21/12

Abstract: The titanium plating solution production method including measuring a titanium plating solution containing fluorine and titanium by cyclic voltammetry under the following conditions, and adding titanium to the titanium plating solution so that the potential difference between the spontaneous potential and the Ti3+/Ti4+ redox potential is 0.75 V or more. Conditions: when the temperature of the titanium plating solution is 650° C. to 850° C. and when glassy carbon is used as a working electrode, platinum is used as a pseudo-reference electrode and titanium is used as a counter electrode, the potential scanning is repeatedly performed on the working electrode for at least five times at a scanning speed of 1 mV/sec to 500 mV/sec between a lower potential limit which is the immersion potential of the working electrode and an upper potential limit which is a potential that is 2 V to 4 V higher than the lower potential limit.

公开(公告)号：US20200036011A1

公开(公告)日：2020-01-30

申请号：US16500981

申请日：2018-03-13

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： Koma NUMATA ,  Masatoshi MAJIMA ,  Tomoyuki AWAZU ,  Mitsuyasu OGAWA ,  Takahiro HIGASHINO ,  Hiromasa TAWARAYAMA

IPC: H01M4/86 ,  C25B11/03 ,  C25B1/04 ,  H01M8/0232 ,  H01M8/0245 ,  C25D3/66 ,  C25D1/08 ,  A61L27/56 ,  A61L27/06 ,  A61L31/14 ,  A61L31/02 ,  A61K6/00 ,  A61C7/20

Abstract: The metal porous body according to one aspect of the present invention has a framework of a three-dimensional network structure. The framework is hollow inside and is formed of a metal film, and the metal film contains titanium metal or titanium alloy as the main component.

公开(公告)号：US20180073156A1

公开(公告)日：2018-03-15

申请号：US15557892

申请日：2015-12-02

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Mitsuyasu OGAWA ,  Tomoyuki AWAZU ,  Masatoshi MAJIMA ,  Masahiro KATO

IPC: C25C1/12 ,  C25C7/06

CPC classification number: C25C1/12 ,  C22B3/06 ,  C22B7/006 ,  C22B15/0063 ,  C25C7/04 ,  C25C7/06 ,  Y02P10/234 ,  Y02P10/236

Abstract: A method for producing copper includes a first step of dissolving copper by adding a copper-containing material to a solution containing an oxidant, and a second step of depositing copper on a surface of a cathode by bringing a solution (A) containing the oxidant in a reduced state into contact with a solution (B) containing copper dissolved therein with a separator provided between the solution (A) and the solution (B), arranging an anode in the solution (A), arranging the cathode in the solution (B), and applying a voltage to both the electrodes, while the oxidant contained in the solution (A) is regenerated, in which the oxidant has a standard electrode potential of 1.6 V or less.

公开(公告)号：US20250023014A1

公开(公告)日：2025-01-16

申请号：US18274880

申请日：2023-01-20

Applicant: Sumitomo Electric Industries, Ltd. ,  Sumitomo Electric Toyama Co., Ltd.

Inventor： Tomoharu TAKEYAMA ,  Kazuki OKUNO ,  Mitsuyasu OGAWA ,  Akihisa HOSOE ,  Hitoshi TSUCHIDA ,  Masatoshi MAJIMA ,  Junichi NISHIMURA ,  Akihiro FUJIMAKI

IPC: H01M4/134 ,  H01M4/02 ,  H01M4/1395

Abstract: A metal porous body includes: a metal framework; and a separation wall formed in one piece with the metal framework, the separation wall being composed of the same material as a material of the metal framework. A plurality of cells each having a polyhedral shape exist inside the metal porous body. A side of the polyhedral shape is constituted of the metal framework. A location in which an opening of a cell of the plurality of cells is closed by the separation wall exists inside the metal porous body, the opening being defined by a side of a polyhedral shape of the cell.

公开(公告)号：US20240413498A1

公开(公告)日：2024-12-12

申请号：US18694973

申请日：2021-10-07

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yusuke KUREISHI ,  Kengo GOTO ,  Mitsuyasu OGAWA ,  Hanano SASAKI ,  Kazuhiro GOTO

IPC: H01M50/562 ,  H01B1/02 ,  H01M50/191 ,  H01M50/193 ,  H01M50/197

Abstract: A lead wire including a lead conductor and a film covering at least a part of a surface of the lead conductor, wherein the film includes a trivalent chromium compound and a first metal, and a ratio of a concentration of the first metal to a concentration of the trivalent chromium compound on a surface of the film is 0.01 or more and 4.0 or less.

公开(公告)号：US20220416255A1

公开(公告)日：2022-12-29

申请号：US17780252

申请日：2020-12-09

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Ryoko KANDA ,  Masatoshi MAJIMA ,  Mitsuyasu OGAWA ,  Kazuki OKUNO ,  Koma NUMATA ,  Yohei NODA

IPC: H01M4/86 ,  H01M4/90

Abstract: A porous body including a framework having a three-dimensional network structure, the framework having a body including nickel, cobalt, a first element and a second element as constituent elements, the cobalt having a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt, the first element including of at least one element selected from the group including of boron, iron and calcium, the second element including of at least one element selected from the group consisting of sodium, magnesium, aluminum, silicon, potassium, titanium, chromium, copper, zinc and tin, the first and second elements together having a proportion in mass of 5 ppm or more and 50,000 ppm or less in total relative to the body of the framework.

公开(公告)号：US20210175520A1

公开(公告)日：2021-06-10

申请号：US17056281

申请日：2020-04-15

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Koma NUMATA ,  Masatoshi MAJIMA ,  Mitsuyasu OGAWA ,  Yohei NODA

IPC: H01M8/0232 ,  H01M8/0247 ,  H01M8/0245

Abstract: A porous body comprises a framework having a three-dimensional network structure, the framework having a body including nickel and cobalt as constituent elements, the body of the framework including the cobalt at a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt.