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    Method of preparing platinum alloy electrode catalyst for direct methanol fuel cell using anhydrous metal chloride
    2.
    发明授权
    Method of preparing platinum alloy electrode catalyst for direct methanol fuel cell using anhydrous metal chloride 失效
    使用无水金属氯化物制备用于直接甲醇燃料电池的铂合金电极催化剂的方法

    公开(公告)号：US06506228B2

    公开(公告)日：2003-01-14

    申请号：US09814746

    申请日：2001-03-23

    申请人： Seol Ah Lee ,  Kyung Won Park ,  Boo Kil Kwon ,  Yung Eun Sung

    发明人： Seol Ah Lee ,  Kyung Won Park ,  Boo Kil Kwon ,  Yung Eun Sung

    IPC分类号： B22F924

    CPC分类号： H01M4/928 ,  B01J23/42 ,  B01J37/031 ,  B01J37/16 ,  H01M4/921 ,  H01M4/926

    摘要： A method for preparing a platinum alloy electrode catalyst for DMFC using anhydrous metal chlorides. The method includes reducing platinum chloride and non-aqueous second metal chloride with boron lithium hydride (LiBH4) in a water-incompatible organic solvent in a nitrogen atmosphere to form nano-sized particles of colloidal platinum alloy, and drying the platinum alloy particles without any heat treatment. The method of preparing a platinum alloy catalyst according to the present invention makes it possible to prepare platinum alloy particles having a narrow range of size distribution and an average particle size of less than 2 nm with ease, relative to the conventional methods. The platinum alloy particles thus obtained can be used as an electrode catalyst for DMFC to enhance methanol oxidation performance.

    摘要翻译： 一种使用无水金属氯化物制备用于DMFC的铂合金电极催化剂的方法。 该方法包括在氮气气氛下，与硼酸氢锂（LiBH 4）在水不相容的有机溶剂中还原氯化铂和非水的第二金属氯化物，形成纳米尺寸的胶体铂合金颗粒， 热处理。 根据本发明的铂合金催化剂的制备方法相对于常规方法，可以容易地制备尺寸分布窄，平均粒径小于2nm的铂合金颗粒。 由此获得的铂合金颗粒可用作DMFC的电极催化剂，以提高甲醇的氧化性能。

    Method of preparing nano-sized catalyst on carbon support
    3.
    发明授权
    Method of preparing nano-sized catalyst on carbon support 有权
    在碳载体上制备纳米尺寸催化剂的方法

    公开(公告)号：US09123965B2

    公开(公告)日：2015-09-01

    申请号：US12775062

    申请日：2010-05-06

    申请人： Nak Hyun Kwon ,  Inchul Hwang ,  Jae Seung Lee ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Sung Jong Yoo ,  Kug-Seung Lee ,  Yong-Hun Cho

    发明人： Nak Hyun Kwon ,  Inchul Hwang ,  Jae Seung Lee ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Sung Jong Yoo ,  Kug-Seung Lee ,  Yong-Hun Cho

    IPC分类号： H01M4/92 ,  H01M4/88 ,  H01M4/86

    CPC分类号： H01M4/92 ,  H01M4/8663 ,  H01M4/885 ,  H01M4/926 ,  Y02E60/50

    摘要： The present invention provides a method of synthesizing a nano-sized transition metal catalyst on a carbon support, including dissolving a stabilizer in ethanol thus preparing a mixture solution, adding a support to the mixture solution thus preparing a dispersion solution, dissolving a transition metal precursor in ethanol thus preparing a precursor solution, mixing the precursor solution with the dispersion solution with stirring, and then performing reduction, thus preparing the nano-sized transition metal catalyst. This method enables the synthesis of transition metal nanoparticles supported on carbon powder having a narrow particle size distribution and a wide degree of dispersion through a simple process, and is thus usefully applied to the formation of an electrode material or the like of a fuel cell.

    摘要翻译： 本发明提供了一种在碳载体上合成纳米尺寸的过渡金属催化剂的方法，包括将稳定剂溶解在乙醇中，从而制备混合溶液，向混合溶液中加入载体，从而制备分散液，将过渡金属前体 在乙醇中制备前体溶液，在搅拌下将前体溶液与分散液混合，然后进行还原，从而制备纳米尺寸的过渡金属催化剂。 该方法能够通过简单的工艺合成负载在碳粉末上的过渡金属纳米粒子，其具有窄的粒度分布和宽的分散度，因此有利地用于燃料电池的电极材料等的形成。

    SYNTHESIS METHODS OF CORE-SHELL NANOPARTICLES ON A CARBON SUPPORT
    5.
    发明申请
    SYNTHESIS METHODS OF CORE-SHELL NANOPARTICLES ON A CARBON SUPPORT 有权
    核壳纳米粒子在碳载体上的合成方法

    公开(公告)号：US20110129763A1

    公开(公告)日：2011-06-02

    申请号：US12752728

    申请日：2010-04-01

    申请人： Jae Seung Lee ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Hee-Young Park

    发明人： Jae Seung Lee ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Hee-Young Park

    IPC分类号： H01M4/583 ,  B05D7/00 ,  B01J8/00 ,  B01J21/18 ,  H01M4/90

    CPC分类号： C23C18/08 ,  B22F1/025 ,  B22F9/24 ,  C23C18/1635 ,  C23C18/1676 ,  H01M4/90 ,  H01M4/9083 ,  H01M4/92 ,  H01M4/926 ,  Y10T428/2982 ,  Y10T428/2991

    摘要： The present invention features a method for preparing core-shell nanoparticles supported on carbon. In particular, the present invention features a method for preparing core-shell nanoparticles supported on carbon, including: dispersing core nanoparticle powder supported on carbon in ethanol; adding a metal precursor which forms a shell and hydroquinone thereto; and mixing and reducing the same. Preferably, the disclosed method for preparing core-shell nanoparticles supported on carbon enables coating of transition metal nanoparticles including platinum on the surface of core metal nanoparticles at a monolayer level. Prepared core-shell nanoparticles of the present invention may be useful as catalysts or electrode materials of fuel cells.

    摘要翻译： 本发明的特征在于制备负载在碳上的核 - 壳纳米颗粒的方法。 特别地，本发明的特征在于一种制备负载在碳上的核 - 壳纳米粒子的方法，包括：将负载在碳上的核心纳米颗粒粉末分散在乙醇中; 加入形成壳和氢醌的金属前体; 并进行混合和还原。 优选地，所公开的用于制备负载在碳上的核 - 壳纳米粒子的方法使得能够在单层水平上在核心金属纳米颗粒的表面上涂覆包括铂的过渡金属纳米颗粒。 本发明的制备的核 - 壳纳米颗粒可用作燃料电池的催化剂或电极材料。

    Method for preparing nano-sized metal particles on a carbon support
    8.
    发明授权
    Method for preparing nano-sized metal particles on a carbon support 有权
    在碳载体上制备纳米尺寸金属颗粒的方法

    公开(公告)号：US08524420B2

    公开(公告)日：2013-09-03

    申请号：US12779375

    申请日：2010-05-13

    申请人： Nak Hyun Kwon ,  Jae Seung Lee ,  Bumwook Roh ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Hee-Young Park ,  Ju Wan Lim ,  Young-Hoon Chung

    发明人： Nak Hyun Kwon ,  Jae Seung Lee ,  Bumwook Roh ,  Yung-Eun Sung ,  Tae-Yeol Jeon ,  Hee-Young Park ,  Ju Wan Lim ,  Young-Hoon Chung

    IPC分类号： H01M4/02

    CPC分类号： H01M4/921 ,  H01M4/8842 ,  H01M4/926

    摘要： Disclosed is a method for preparing nickel or palladium nanoparticles supported on a carbon support. To a mixture solution wherein a stabilizer is dissolved in 1,2-propanediol, a carbon support is added to prepare a dispersion. Then, a precursor solution wherein a nickel or palladium precursor dissolved in 1,2-propanediol is mixed therewith and stirred. Then, nickel or palladium nanoparticles supported on the carbon support are prepared by reduction. The disclosed method for preparing nickel or palladium nanoparticles supported on a carbon support allows preparation of nanoparticles with narrow particle size distribution and good dispersibility through a simple process and the resulting nickel or palladium nanoparticles may be usefully applied, for example, as electrode materials of fuel cells.

    摘要翻译： 公开了一种制备负载在碳载体上的镍或钯纳米颗粒的方法。 向稳定剂溶于1,2-丙二醇的混合溶液中加入碳载体以制备分散体。 然后，将其中溶解在1,2-丙二醇中的镍或钯前体混合并搅拌的前体溶液。 然后，通过还原制备负载在碳载体上的镍或钯纳米颗粒。 公开的用于制备负载在碳载体上的镍或钯纳米颗粒的方法允许通过简单的方法制备具有窄粒度分布和良好分散性的纳米颗粒，并且所得的镍或钯纳米颗粒可以有用地应用于例如燃料的电极材料 细胞。