News Column

Reports Summarize Alcohols Findings from University of Kebangsaan

February 21, 2014



By a News Reporter-Staff News Editor at Energy Weekly News -- Data detailed on Alcohols have been presented. According to news originating from Selangor, Malaysia, by VerticalNews correspondents, research stated, "Three anode electrodes containing Pt-Ru Black as a catalyst were fabricated with a porous layer made with different carbon materials: carbon black (CB), carbon nanofiber (CNF) and a combination of both carbon materials (CB + CNF). The carbon-based porous layer was coated onto a carbon cloth with PTFE pre-treatment for delivering hydrophobic properties and applied in direct methanol fuel cells (DMFCs)."

Our news journalists obtained a quote from the research from the University of Kebangsaan, "Characterisation of electrochemical properties for three different anode electrodes was performed with cyclic voltammetry (CV), chronoamperometry (CA) and electrochemical impedance spectroscopy (EIS) at room temperature in a half-cell configuration. The evolution of the surface morphology of diffusion layer and electrodes was characterised by using variable-pressure scanning electron microscopy (VP-SEM). The electrochemical results indicate that electrode with CNF layer showed the highest current densities compared to CB and CB + CNF with the same catalyst loading. VP-SEM measurements show the network formation within the structure, which could facilitate the methanol mass transfer and improve the catalyst efficiency. The electrodes were applied to a single-cell DMFC, and the cell performance was experimentally investigated under passive operating mode and room temperature. A maximum power density of 23.0 mW cm(-2) at a current density of 88.0 mA cm(-2) with a 3 M dilute methanol solution was achieved."

According to the news editors, the research concluded: "The results show that the electrodes with a CNF layer could improve the performance of DMFC as compared with commercially used CB and prove it's potentially application in DMFC technology especially for portable power source applications due to several advantages as followings: operating at low concentration of methanol, operating at room temperature, low catalyst loading in anode and cathode, cheaper, less hazardous and no parasitic load."

For more information on this research see: High power direct methanol fuel cell with a porous carbon nanofiber anode layer. Applied Energy, 2014;113():946-954. Applied Energy can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier - www.elsevier.com; Applied Energy - www.elsevier.com/wps/product/cws_home/405891)

The news correspondents report that additional information may be obtained from A.M. Zainoodin, Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept. of Chem & Proc Engn, Ukm Bangi 43600, Selangor, Malaysia. Additional authors for this research include S.K. Kamarudin, M.S. Masdar, W.R.W. Daud, A.B. Mohamad and J. Sahari.

Keywords for this news article include: Asia, Energy, Selangor, Malaysia, Alcohols, Methanol, Chemistry, Fuel Cell, Oil & Gas, Electrochemical

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


For more stories covering the world of technology, please see HispanicBusiness' Tech Channel



Source: Energy Weekly News


Story Tools