Method for Making RU-SE and RU-SE-W Nanometer Catalyst
    1.
    发明申请
    Method for Making RU-SE and RU-SE-W Nanometer Catalyst 审中-公开
    制备RU-SE和RU-SE-W纳米催化剂的方法

    公开(公告)号:US20110021342A1

    公开(公告)日:2011-01-27

    申请号:US12140834

    申请日:2008-06-17

    摘要: A method is disclosed for making Ru—Se and Ru—Se—W catalyst. In the method, carrier is processed with strong acid and poured into first ethylene glycol solution. Ultra-sonication and high-speed stirring are conducted on the first ethylene glycol solution, thus forming carbon paste. The carbon paste is mixed with second ethylene glycol solution containing at least one nanometer catalyst precursor and an additive. High-speed stirring is conducted to form mixture. The mixture is heated so that Ru—Se catalyst is reduced. The mixture is filtered to separate the carrier. Then, the carrier is washed with de-ionized water. Conducting drying and hydrogen reduction are conducted to make the Ru—Se catalyst on the carrier.

    摘要翻译: 公开了制备Ru-Se和Ru-Se-W催化剂的方法。 在该方法中,载体用强酸处理并倒入第一乙二醇溶液中。 在第一乙二醇溶液上进行超声处理和高速搅拌,从而形成碳糊。 碳浆与含有至少一种催化剂前体和添加剂的第二乙二醇溶液混合。 进行高速搅拌以形成混合物。 将混合物加热使得Ru-Se催化剂被还原。 将混合物过滤以分离载体。 然后,用去离子水洗涤载体。 进行干燥和氢还原,使载体上的Ru-Se催化剂。

    Methods of making platinum and platinum alloy catalysts with nanonetwork structures
    2.
    发明授权
    Methods of making platinum and platinum alloy catalysts with nanonetwork structures 失效
    制备具有纳米网络结构的铂和铂合金催化剂的方法

    公开(公告)号:US07700520B2

    公开(公告)日:2010-04-20

    申请号:US10907950

    申请日:2005-04-22

    IPC分类号: B01J37/34 B01J31/00 B01J21/00

    摘要: This invention relates to the preparations of noble metal catalysts, i.e., platinum and platinum alloys, on suitable supports with nanonetwork structures and high catalytic efficiencies. A compact structure of a monolayer or a few layers is formed by self-assembly of organic polymer, e.g., polystyrene (PS), nanospheres or inorganic, i.e., silicon dioxide (SiO2), nanospheres on a support surface. In the void spaces of such a compact arrangement, catalyst is formed by filling with catalyst metal ion-containing aqueous solution and reduced by chemical reduction, or formed by vacuum sputtering. When using organic polymer nanospheres as the starting or structure-directing material, the polymer particles are removed by burning at a high temperature and the catalyst having a nanonetwork structure is obtained. In the case of using silicon dioxide nanospheres as the starting material, silicon dioxide particles are dissolved with hydrofluoric acid solution and evaporated away leading to formation of a similar nanonetwork structure made of catalyst. The catalysts prepared by these methods possess characteristics of robust in structure, uniform in hole size and high in catalytic surface area. Their main applications include uses as catalysts in direct methanol and proton exchange membrane fuel cells, as well as in chemical reactors, fuel reformers, catalytic converters, etc.

    摘要翻译: 本发明涉及贵金属催化剂即铂和铂合金在具有纳米网络结构和高催化效率的合适载体上的制备。 通过在载体表面上自组装有机聚合物,例如聚苯乙烯(PS),纳米球或无机即二氧化硅(SiO 2)纳米球,形成单层或几层的致密结构。 在这种紧凑结构的空隙空间中,通过填充含催化剂金属离子的水溶液并通过化学还原减少或通过真空溅射形成催化剂。 当使用有机聚合物纳米球作为起始或结构导向材料时,通过在高温下燃烧除去聚合物颗粒,并获得具有纳米网络结构的催化剂。 在使用二氧化硅纳米球作为起始材料的情况下,二氧化硅颗粒用氢氟酸溶液溶解并蒸发掉,导致形成由催化剂制成的类似的纳米网络结构。 通过这些方法制备的催化剂具有结构坚固,孔尺寸均匀,催化表面积高的特点。 其主要应用包括用作直接甲醇和质子交换膜燃料电池中的催化剂,以及化学反应器,燃料重整器,催化转化器等。

    Apparatus for testing catalysis electrode of fuel cell
    5.
    发明申请
    Apparatus for testing catalysis electrode of fuel cell 失效
    燃料电池催化电极试验装置

    公开(公告)号:US20090085580A1

    公开(公告)日:2009-04-02

    申请号:US11905513

    申请日:2007-10-02

    IPC分类号: G01R31/02

    摘要: An apparatus is disclosed for testing a catalysis electrode of a fuel cell. The apparatus includes a driving module, a loading module, a containing module and an analyzing unit. The containing module includes a hollow threaded bolt, a sleeve and a contact plate. The hollow threaded bolt is operatively connected to driving module. The sleeve receives and is operatively connected to the hollow threaded bolt. The contact plate is located below the hollow threaded bolt in the sleeve. The analyzing unit includes a working electrode, an auxiliary electrode and a reference electrode. The working electrode is connected to the contact plate. The auxiliary electrode includes an end located below the containing module in the loading module. The reference electrode is connected to the loading module.

    摘要翻译: 公开了一种用于测试燃料电池的催化电极的装置。 该装置包括驱动模块,加载模块,容纳模块和分析单元。 容纳模块包括中空螺栓,套筒和接触板。 空心螺栓可操作地连接到驱动模块。 套筒容纳并可操作地连接到中空螺栓。 接触板位于套筒中的中空螺栓的下方。 分析单元包括工作电极,辅助电极和参考电极。 工作电极连接到接触板。 辅助电极包括位于装载模块中的容纳模块下方的端部。 参考电极连接到装载模块。

    Apparatus for testing catalysis electrode of fuel cell
    8.
    发明授权
    Apparatus for testing catalysis electrode of fuel cell 失效
    燃料电池催化电极试验装置

    公开(公告)号:US07649362B2

    公开(公告)日:2010-01-19

    申请号:US11905513

    申请日:2007-10-02

    IPC分类号: H01M4/00 H01M10/48 G01N27/26

    摘要: An apparatus is disclosed for testing a catalysis electrode of a fuel cell. The apparatus includes a driving module, a loading module, a containing module and an analyzing unit. The containing module includes a hollow threaded bolt, a sleeve and a contact plate. The hollow threaded bolt is operatively connected to driving module. The sleeve receives and is operatively connected to the hollow threaded bolt. The contact plate is located below the hollow threaded bolt in the sleeve. The analyzing unit includes a working electrode, an auxiliary electrode and a reference electrode. The working electrode is connected to the contact plate. The auxiliary electrode includes an end located below the containing module in the loading module. The reference electrode is connected to the loading module.

    摘要翻译: 公开了一种用于测试燃料电池的催化电极的装置。 该装置包括驱动模块,加载模块,容纳模块和分析单元。 容纳模块包括中空螺栓,套筒和接触板。 空心螺栓可操作地连接到驱动模块。 套筒容纳并可操作地连接到中空螺栓。 接触板位于套筒中的中空螺栓的下方。 分析单元包括工作电极,辅助电极和参考电极。 工作电极连接到接触板。 辅助电极包括位于装载模块中的容纳模块下方的端部。 参考电极连接到装载模块。