Our news journalists obtained a quote from the research, "In tandem with these goals, the cathode catalysts were extensively refined to improve the performance of PEMFCs and minimize noble metal usage. In this study, the major accomplishment was producing aligned carbon nanotubes (ACNTs), which were then modified by platinum (Pt) nanoparticles via a post-functionalization colloidal chemistry approach. The Pt-ACNTs demonstrated improved cathodic catalycity, by building better device endurance and decreased Pt loading. It was also determined that surface mechanical properties, such as elastic modulus and hardness were increased. Collectively, these enhancements provided an improved FC device. The electrochemical analyses indicated that the power density of the PEMFCs was increased to 900 mW/cm(2) and current density to 3000 mA/cm(2), respectively."
According to the news editors, the research concluded: "The Pt loading was controlled at lower than 0.2 mg/cm(2) to decrease the manufacturing expenses."
For more information on this research see: Functionalization of Aligned Carbon Nanotubes to Enhance the Performance of Fuel Cell. Energies, 2013;6(12):6476-6486. Energies can be contacted at: Mdpi Ag, Postfach, Ch-4005
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