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Details of Grant 

EPSRC Reference: GR/K58982/01
Title: DIFFUSE IMAGING AS A PROBE OF LOCAL CHARGED STATES ON PT-RU ELECTRODES
Principal Investigator: Attard, Professor GA
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Chemistry
Organisation: Cardiff University
Scheme: Standard Research (Pre-FEC)
Starts: 20 March 1996 Ends: 19 June 1998 Value (£): 162,783
EPSRC Research Topic Classifications:
Electrochemical Science & Eng. Fuel Cell Technologies
EPSRC Industrial Sector Classifications:
Energy No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
With the aid of well defined transistion metal electrodes, scanning tunelling microscopy (STM), will be used to test a new theory whereby the on-set of methanol oxidation (eg in fuel cells) is though to occur at potentials posistive of the local potential of zero charge (PZTC). The relationship between the surface diffusion of adsorved anions/solvent and local charge is predicited to give rise to diffuse images in the vicinity of the local PZTC. For the first time elemental resolution of surface composition (via diffuse imaging STM) will be attempted based on this phenomenon. It is hoped that a correlation between the on-set of methanol oxidation with the generation of diffuse images close to the PZTC will verify the proposed theory inder reaction conditions. It is beleived also that the theory will set an upper limit on what is acheiveable using such anodes for direct methanol oxidation.
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Organisation Website: http://www.cf.ac.uk