In this study, platinum nanoparticle catalysts grown on carbon nanotubes (CNTs) as the anode of Proton Exchange Membrane Fuel Cell (PEMFC) were prepared by electrodeposition method. In three-electrode electrochemical cell, high electrochemical activity catalysts were obtained by changing the redox potential, time, stirring rate and the concentration of the precursor. After assembling MEA using the high electrochemical activity catalysts as the anode of PEMFC, the single cell test performed high power density by changing hot pressing temperature and time.

Carbon nanotubes by chemical vapor deposition (CVD) were directly grown on the carbon cloth to increase the surface area where the catalysts were deposited. And then, the catalysts were deposited on CNT by the electrochemical method, and finally did test and analyzed. The electrochemical characterizations were obtained by cyclic voltammetry (CV) in argon saturated 0.5M H₂SO₄, 0.5M H₂SO₄ + 1M CH₃OH solution, respectively. The morphology of Pt/CNT/Carbon Cloth was observed by scanning electron microscope (SEM). The Pt loading was obtained by inductively coupled plasma mass spectrometry (ICP-MS). The results showed that the pulsed electrodeposition provided uniform distribution of catalysts ,and the peak power density of homemade Pt/CNT/CC as the anode of PEMFC increased by about 300 mW/cm² compared to commercial Pt/CB/CC under the same conditions because of carbon nanotubes offering high surface area and having excellent electron conductivity.