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Additional resources for Nanotechnology in Electrocatalysis for Energy

Example text

7) which may be used in practice for rough estimations: E ¼ E0 À RT 1 ln 2F pH2 p1=2 ð2:7Þ O2 From Eq. 7), we notice that as we increase the partial pressure of both hydrogen and oxygen the potential gets more positive indicating that the reaction is more energetically favored. It is worthy to spend some more words on the dependence of the cell potential on the temperature. Such a dependence is more subtle than what is suggested by Eq. 5). Basically this is because even the term E0 is affected by the temperature.

Energy Sources Part A: Recovery Util. Environ. Effects 28, 517 (2006) 19. C. , Recent advances in the development of direct alcohol fuel cells (DAFC). J. Power Sources 105, 283 (2002) 20. C. M. M. Leger, Electrocatalytic oxidation of aliphatic alcohols: application to the direct alcohol fuel cell (DAFC). J. Appl. Electrochem. 31, 799 (2001) 21. A. , Electrooxidation of ethylene glycol and glycerol on Pd-(Ni-Zn)/C Anodes in direct alcohol fuel cells. Chemsuschem 6, 518 (2013) 22. V. , Direct alcohol fuel cells as chemical reactors for the sustainable production of energy and chemicals Energy and chemicals from renewables by electrocatalysis.

Spillover phenomena are sometimes considered when designing catalysts, as they may significantly enhance the rate of electrochemical reactions. 4 Electrochemical Techniques Phenomena occurring at the electrochemical interface may be investigated by means of the so-called three-electrode cell or half cell. This electrochemical cell arrangement allows the identification of phenomena occurring at a single interface. The experimental setup consists in a cell containing a working electrode, a counter electrode, and a reference electrode.

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