Redox flow battery
    1.
    发明授权

    公开(公告)号:US10707509B2

    公开(公告)日:2020-07-07

    申请号:US15286650

    申请日:2016-10-06

    申请人: SHOWA DENKO K.K.

    摘要: Provided in the present invention is a redox flow battery including a positive electrode, a negative electrode and a separation membrane, wherein a positive electrode electrolyte composed of an aqueous solution containing vanadium ions is supplied into a positive electrode chamber, and a negative electrode electrolyte composed of an aqueous solution containing vanadium ions is supplied into a negative electrode chamber, to carry out charging and discharging of the battery. In the redox flow battery, zirconium or titanium coated with a noble metal or a compound thereof is used as a positive electrode material, and when the positive electrode material is zirconium coated with a noble metal or a compound thereof, the positive electrode electrolyte and the negative electrode electrolyte contain sulfuric acid; and when the positive electrode material is titanium coated with a noble metal or a compound thereof, the positive electrode electrolyte contains nitric acid.

    Catalyst, production process therefor and use thereof
    2.
    发明授权
    Catalyst, production process therefor and use thereof 有权
    催化剂及其制备方法及其用途

    公开(公告)号:US09450250B2

    公开(公告)日:2016-09-20

    申请号:US14754328

    申请日:2015-06-29

    申请人: SHOWA DENKO K.K.

    摘要: Catalysts of the present invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal oxycarbonitride containing two metals M selected from the group consisting of tin, indium, platinum, tantalum, zirconium, titanium, copper, iron, tungsten, chromium, molybdenum, hafnium, vanadium, cobalt, cerium, aluminum and nickel, and containing zirconium and/or titanium. Also disclosed is a process for producing the catalyst.

    摘要翻译: 本发明的催化剂不会在酸性电解质中或高电位下腐蚀,具有优异的耐久性和较高的氧还原能力。 催化剂包括含有选自锡,铟,铂,钽,锆,钛,铜,铁,钨,铬,钼,铪,钒,钴,铈,铝和镍中的两种金属M的金属碳氮氧化物, 并含有锆和/或钛。 还公开了一种生产该催化剂的方法。

    Catalyst carrier, catalyst and process for producing the same
    3.
    发明授权
    Catalyst carrier, catalyst and process for producing the same 有权
    催化剂载体,催化剂及其制备方法

    公开(公告)号:US08785342B2

    公开(公告)日:2014-07-22

    申请号:US13970926

    申请日:2013-08-20

    申请人: Showa Denko K.K.

    摘要: The present invention provides a catalyst carrier having excellent durability and capable of attaining high catalytic ability without increasing the specific surface area thereof, and a catalyst obtainable by using the catalyst carrier. The catalyst carrier of the present invention comprises a metal oxycarbonitride, preferably the metal contained in the metal oxycarbonitride comprises at least one selected from the group consisting of niobium, tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and nickel. Moreover, the catalyst of the present invention comprises the catalyst carrier and a catalyst metal supported on the catalyst carrier.

    摘要翻译: 本发明提供一种催化剂载体,其具有优异的耐久性,并且能够在不增加其比表面积的情况下获得高催化能力,以及可通过使用催化剂载体获得的催化剂。 本发明的催化剂载体包含金属碳氮氧化物,优选金属碳氮氧化物中所含的金属包括选自铌,锡,铟,铂,钽,锆,铜,铁,钨,铬, 钼,铪,钛,钒,钴,锰,铈,汞,钚,金,银,铱,钯,钇,钌,镧,铈,镨,钕,ium,钐,铕,钆,铽,镝, 钬,铒,ium,镱,镥和镍。 此外,本发明的催化剂包含催化剂载体和负载在催化剂载体上的催化剂金属。