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    • 74. 发明授权
    • Carbon nanotubes for fuel cells, method for manufacturing the same, and fuel cell using the same
    • 燃料电池用碳纳米管及其制造方法以及使用该碳纳米管的燃料电池
    • US07585584B2
    • 2009-09-08
    • US10601872
    • 2003-06-24
    • Won-bong ChoiJae-uk ChuChan-ho PakHyuk Chang
    • Won-bong ChoiJae-uk ChuChan-ho PakHyuk Chang
    • H01M4/00
    • H01M4/8605B82Y30/00B82Y40/00C01B32/162H01M4/9083H01M4/926H01M2008/1095Y10S977/70Y10S977/701Y10S977/72Y10S977/743Y10S977/843Y10S977/847
    • Carbon nanotubes for use in a fuel cell, a method for fabricating the same, and a fuel cell using the carbon nanotubes for its electrode are provided. The internal and external walls of the carbon nanotubes are doped with nano-sized metallic catalyst particles uniformly to a degree of 0.3-5 mg/cm2. The carbon nanotubes are grown over a carbon substrate using chemical vapor deposition or plasma enhanced chemical vapor deposition. Since the carbon nanotubes have a large specific surface area, and metallic catalyst particles are uniformly distributed over the internal and external walls thereof, the reaction efficiency in an electrode becomes maximal when the carbon nanotubes are used for the electrode of a fuel cell. The carbon nanotubes fabricated using the method can be applied to form a large electrode. The carbon nanotubes grown over the carbon substrate can be readily applied to an electrode of a fuel cell, providing economical advantages and simplifying the overall electrode manufacturing process. A fuel cell using as the carbon nanotubes for its electrode provides improved performance.
    • 提供了用于燃料电池的碳纳米管,其制造方法和使用该碳纳米管作为其电极的燃料电池。 碳纳米管的内壁和外壁均匀掺杂有纳米尺寸的金属催化剂颗粒至0.3-5mg / cm2的程度。 使用化学气相沉积或等离子体增强化学气相沉积在碳衬底上生长碳纳米管。 由于碳纳米管具有大的比表面积,并且金属催化剂颗粒均匀地分布在其内壁和外壁上,所以当将碳纳米管用于燃料电池的电极时,电极中的反应效率最大。 使用该方法制造的碳纳米管可以应用于形成大电极。 生长在碳基板上的碳纳米管可以容易地应用于燃料电池的电极,提供经济的优点并简化整个电极的制造过程。 使用作为其电极的碳纳米管的燃料电池提供改进的性能。