Processes of depositing platinum on carbon nanotubes and their effect on performance of proton exchange membrane fuel cell

Yanhui Li, Jun Ding, Junfeng Chen, Zongqiang Mao, Cailu Xu, Dehai Wu

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    Cite this article as:

    Yanhui Li, Jun Ding, Junfeng Chen, Zongqiang Mao, Cailu Xu, and Dehai Wu, Processes of depositing platinum on carbon nanotubes and their effect on performance of proton exchange membrane fuel cell, J. Univ. Sci. Technol. Beijing , 11(2004), No. 4, pp.349-353.
    Yanhui Li, Jun Ding, Junfeng Chen, Zongqiang Mao, Cailu Xu, and Dehai Wu, Processes of depositing platinum on carbon nanotubes and their effect on performance of proton exchange membrane fuel cell, J. Univ. Sci. Technol. Beijing , 11(2004), No. 4, pp.349-353.
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    Materials

    Processes of depositing platinum on carbon nanotubes and their effect on performance of proton exchange membrane fuel cell

    基金项目: 

    This work was financially supported by the State Key Project for Fundamental Research of the Ministry of Science and Technology (No. G20000264-04).

      通信作者:

      Yanhui Li E-mail: liyanhui@tsinghua.org.cn

    The ultrafine platinum nanoparticles deposited on the surfaces of carbon nanotubes (Pt/CNTs) were prepared by a chemical precipitation method and used as the catalyst of proton exchange membrane fuel cell. The depositing process parameters such as the solution pH value, Pt content and treatment temperature were analyzed. The experimental results show that the optimum process parameters to prepare Pt/CNTs are the solution pH value of 7.0, the theoretical Pt content of 25% (mass fraction) and the heating temperature of 500℃, under the conditions the best performance of the proton exchange membrane fuel cell can be obtained and its voltage can reach 580 mV at a current density of 500 mA/cm2.

     

    Materials

    Processes of depositing platinum on carbon nanotubes and their effect on performance of proton exchange membrane fuel cell

    Author Affilications
    • Funds: 

      This work was financially supported by the State Key Project for Fundamental Research of the Ministry of Science and Technology (No. G20000264-04).

    • Received: 07 September 2003;
    The ultrafine platinum nanoparticles deposited on the surfaces of carbon nanotubes (Pt/CNTs) were prepared by a chemical precipitation method and used as the catalyst of proton exchange membrane fuel cell. The depositing process parameters such as the solution pH value, Pt content and treatment temperature were analyzed. The experimental results show that the optimum process parameters to prepare Pt/CNTs are the solution pH value of 7.0, the theoretical Pt content of 25% (mass fraction) and the heating temperature of 500℃, under the conditions the best performance of the proton exchange membrane fuel cell can be obtained and its voltage can reach 580 mV at a current density of 500 mA/cm2.

     

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