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http://dx.doi.org/10.7316/KHNES.2013.24.2.142

Synthesisand Electrochemical Behaviors of Hybrid Carbon (ACF/Graphene) as Supports by Microwaves-irradiation Method for Polymer Exchange Membrane Fuel Cells (PEMFC)  

Cho, Yongil (Department of Chemical and Biomolecular Engineering, Yonsei University)
Jeon, Yukwon (Department of Chemical and Biomolecular Engineering, Yonsei University)
Park, Dae-Hwan (Department of Chemical and Biomolecular Engineering, Yonsei University)
Juon, So-Me (Department of Chemical and Biomolecular Engineering, Yonsei University)
Kim, Tae-Eon (Department of Chemical and Biomolecular Engineering, Yonsei University)
Oh, Kyeongseok (Department of Chemical and Environmental Technology, Inha Technical College)
Shul, Yong-Gun (Department of Chemical and Biomolecular Engineering, Yonsei University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.24, no.2, 2013 , pp. 142-149 More about this Journal
Abstract
Carbon materials are mainly used as catalyst supports for polymer exchange membrane fuel cell (PEMFC). Catalyst supports are required specific characteristics of the carbon materials, such as large surface area and high electrical conductivity. Attempted were to improve electrical conductivity and to maintain high surface area of carbon materials using a microwave treatment. Microwave treatment, as a relatively new technique, takes short reaction time and reduce the consumption of the gases used for carbon treatment compared to a traditional heat treatment. Hybrid carbon (ACF/Graphene) as catalyst supports by microwave-irradiation method for PEMFC increase the cell performance because of increased electrical conductivity resulting in triple-phase contact and reduced the interfacial resistance. Scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-Ray Diffraction (XRD) were employed to analyze carbon materials. The performance of microwave-treated carbon materials was evaluated by measuring current-voltage (I-V) characteristics and electrode impedance.
Keywords
PEMFC; Microwave; ACF; Graphene;
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