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    • 53. 发明申请
    • BARRIER LAYER FOR CORROSION PROTECTION IN ELECTROCHEMICAL DEVICES
    • 用于电化学设备中腐蚀保护的阻挡层
    • WO2014128208A1
    • 2014-08-28
    • PCT/EP2014/053315
    • 2014-02-20
    • SOLVICORE GMBH & CO. KG
    • GHIELMI, AlessandroSUCHSLAND, Jens-PeterBRAUN, Pia
    • H01M4/86H01M8/02
    • C25B11/0442C25B9/10C25B11/035C25B11/0405H01M4/8605H01M4/8615H01M4/8657H01M8/0234H01M8/0245H01M2008/1095H01M2300/0082
    • The invention is directed to a barrier layer for corrosion protection in electrochemical devices, e.g. carbon based gas diffusion layers (GDLs) in electrochemical devices, comprising electrically conductive ceramic material and a non-ionomeric polymer binder. The electrically conductive ceramic material has an electrical conductivity of >0.1 S/cm, preferably > 1 S/cm in air atmosphere (as detected by the powder method) and is selected from the group of precious metal and/or base metal containing oxides, carbides, nitrides, borides and mixtures and combinations thereof. Membrane-electrode assemblies (MEAs), catalyst-coated membranes (CCMs), gas diffusion electrodes (GDEs) and gas diffusion layers (GDLs) comprising the barrier layer of the invention show improved corrosion resistance, preferably against carbon corrosion; particularly in start-up/shutdown cycles and fuel starvation situations of PEM fuel cells.
    • 本发明涉及用于电化学装置中的腐蚀保护的阻挡层,例如, 电化学装置中的基于碳的气体扩散层(GDL),包括导电陶瓷材料和非离聚物聚合物粘合剂。 导电陶瓷材料在空气气氛中(通过粉末法检测)的电导率> 0.1S / cm,优选> 1S / cm,选自含贵金属和/或含贱金属的氧化物, 碳化物,氮化物,硼化物及其混合物和组合。 包含本发明阻挡层的膜 - 电极组件(MEA),催化剂涂覆的膜(CCM),气体扩散电极(GDE)和气体扩散层(GDL)显示改进的抗腐蚀性,优选地防止碳腐蚀; 特别是在PEM燃料电池的启动/关闭循环和燃料不足情况下。
    • 54. 发明申请
    • HIGH-LOAD DURABLE ANODE FOR OXYGEN GENERATION AND MANUFACTURING METHOD FOR THE SAME
    • 用于氧发生的高负载耐用阳极及其制造方法
    • WO2013099780A3
    • 2013-10-10
    • PCT/JP2012083168
    • 2012-12-14
    • PERMELEC ELECTRODE LTD
    • CAO YIKATO AKIHIROHIRAO KAZUHIROFURUSAWA TAKASHI
    • C25B11/04
    • C25B11/0473C25B1/02C25B1/04C25B11/0405C25B11/0478C25B11/0484Y02E60/366
    • The present invention aims to provide a high-load durable anode for oxygen generation and a manufacturing method for the same used for industrial electrolyses including manufacturing of electrolytic metal foils such as electrolytic copper foil, aluminum liquid contact and continuously electrogalvanized steel plate, and metal extraction, having superior durability under high-load electrolysis conditions. The present invention features an anode for oxygen generation and a manufacturing method for the same comprising a conductive metal substrate and a catalyst layer containing iridium oxide formed on the conductive metal substrate wherein the amount of coating of iridium per time for the catalyst layer is 2g/m2 or more, the coating is baked in a relatively high temperature region of 430 degrees Celsius - 480 degrees Celsius to form the catalyst layer containing amorphous iridium oxide and the catalyst layer containing the amorphous iridium oxide is post-baked in a further high temperature region of 520 degrees Celsius - 600 degrees Celsius to crystallize almost all amount of iridium oxide in the catalyst layer.
    • 本发明的目的在于提供一种用于氧发生的高负荷耐久阳极及其制造方法,其包括制造电解金属箔如电解铜箔,铝液接触和连续电镀锌钢板以及金属萃取 在高负荷电解条件下具有优异的耐久性。 本发明的特征在于一种用于氧气产生的阳极及其制造方法,该阳极包括导电金属基底和在导电金属基底上形成的含有氧化铱的催化剂层,其中催化剂层每次涂覆铱的量为2g / m2以上时,在430〜480摄氏度的较高温度区域进行涂布,形成含有非晶质氧化铱的催化剂层,并且将含有非晶质氧化铱的催化剂层在更高温区域进行后烘烤 520摄氏度-600摄氏度以结晶催化剂层中几乎所有量的氧化铱。