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Content archived on 2024-06-18

Core-shell catalysts for Direct Alcohol Fuel Cells (DAFCs): Study of the structure and stability under electrochemical conditions by X-ray structural techniques

Objective

"The development of low-cost materials is a determining step for the final introduction of low temperature fuel cells in the market. These systems, especially direct alcohol fuel cells (DAFCs), are the most important and promising alternative energy systems. However, their commercialisation for demanding applications, in particular for the transport sector, requires an increase of the metal efficiency and the reduction of the platinum content in electrodes in order to reduce the fuel cell cost.

In this context, the use of core-shell catalysts seems to be the most feasible solution for reducing the platinum content and, therefore, the fuel cell cost. This nanostructure involves the replacement of the core of the nanoparticles with less expensive metals. Furthermore, using this nanostructure, the utilization efficiency (surface-to-volume ratio) is increased, and an enhancement of the platinum activity is achieved due to an electronic, structural or morphological effect that depends on the metal used as core.

In this project, we will explore further enhancements of the alcohol (methanol and ethanol) oxidation activity of core@shell materials for the alcohol oxidation reaction (AOR) by preparing Pd-core, Pt-Ru or Pt@Ru shell catalysts. Subsequently, the studies will be extended to other core metals and ternary (bimetallic shell and/or core) systems. The overall aim will be to provide advance understanding of the structure/property relationships, by using in situ X-ray structural techniques, which determine alcohol oxidation activity as well as identifying the degradation mechanisms that limit the stability of the materials under electrochemical conditions."

Fields of science (EuroSciVoc)

Topic(s)

Call for proposal

FP7-PEOPLE-2010-IEF
See other projects for this call

Funding Scheme

MC-IEF - Intra-European Fellowships (IEF)

Coordinator

UNIVERSITY OF SOUTHAMPTON
EU contribution
€ 200 549,60
Address
Highfield
SO17 1BJ SOUTHAMPTON
United Kingdom
Region
South East (England) Hampshire and Isle of Wight Southampton
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data