Open AccessInvestigation of an AEM Fuel Cell for Direct Methanol Applications
Author(s) -
Andrew M. Herring,
Rajeswari Janarthanan,
Plamen Atanassov,
Michael Hibbs
Publication year - 2013
Publication title -
meeting abstracts/meeting abstracts (electrochemical society. cd-rom)
Language(s) - English
Resource type - Journals
eISSN - 2151-2035
pISSN - 1091-8213
DOI - 10.1149/ma2013-01/6/376
Subject(s) - direct methanol fuel cell , methanol , fuel cells , materials science , process engineering , waste management , environmental science , chemistry , chemical engineering , engineering , organic chemistry , electrode , anode
While there has been much interest in the proton exchange membrane (PEM) fuel cell, its widespread use has been restricted by cost, durability, and fuel versatility issues. This is primarily because Pt is the catalyst of choice for a PEM fuel cell on both the anode and the cathode. Alkaline catalysis in fuel cells has been demonstrated with non-precious metal catalysts, and with a variety of fuels beyond H2 and methanol. Alkaline fuel cells (AFCs), based on aqueous solutions of KOH, have serious drawbacks associated with system complexity and carbonate formation. Anion exchange membrane (AEMs) fuel cells have a number of advantages over both PEM fuel cells and traditional AFCs; however, ionic conductivity in AEMs is significantly lower than PEMs and chemical stability of membrane cations in hydroxide has been poor. 4
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