Electrocatalysis of Alternative Liquid Fuels for PEM Direct Oxidation Fuel Cells



The direct oxidation of liquid fuels such as methanol, ethanol, ethylene glycol, formic acid and glycerol in fuel cell has attracted increasing interest as power source for portable applications in recent days. These fuels are economically and environmental friendly, exhibit high volumetric energy density, facile storing and handling as compared to hydrogen fuel. Based on their feeding directly and electro-oxidation process, these are termed as direct methanol fuel cell (DMFC), direct ethanol fuel cell (DEFC), direct ethylene glycol fuel cell (DEGFC), direct formic acid fuel cell (DFAFC) and direct glycerol fuel cell (DGEFC), which are discussed in the chapter. The oxidation reaction of these fuels at low temperature in acid electrolytes is discussed in detail. The various binary and ternary Pt-based catalysts which can ease the oxidation of these liquid fuels are presented with plausible reaction mechanism. The various parameters driving the fuel cell such as catalyst loading, fuel flow rates, operating temperature and the performance in terms of current–voltage characteristics, stability and durability of the fuel cells are discussed including the recent commercial development in the field. Authors also presented their view and further work required wherever deemed fit.


Fuel cell Direct fuel cell Renewable energy Alternative liquid fuel Electrochemistry Methanol oxidation reaction Ethanol oxidation reaction Ethylene glycoloxidation reaction Formic acid oxidation reaction Glycerol oxidation reaction Oxygen reduction reaction Direct methanol fuel cell Direct ethanol fuel cell Direct ethylene glycol fuel cell Direct formic acid fuel cell Direct glycerol fuel cell Catalyst Proton exchange membrane Anode material Cathode material Anode overpotentials Fuel cross over Power density Current-voltage characteristics 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Chemical EngineeringIndian Institute of Technology DelhiNew DelhiIndia
  2. 2.CSIR-Institute of Minerals and Materials TechnologyBhubaneswarIndia

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