Growth of Nano-Domains in Gd-CeO2 Mixtures: Hybrid Monte Carlo Simulations
21 Feb 2018
Yes
- J.Purton, N. Allen, D.Gunn (CCP5)

 

 

​Due to growing concern about global warming and dwindling supplies of fossil fuels, increasing interest is being directed towards alternative sources of energy.

No

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 Popular and promising alternatives are fuel cells, and a substantial amount of research and development has been undertaken to improve the materials used in, and the design of, these devices. For example, in solid oxide fuel cells (SOFCs) the oxidant (e.g. air, O2 ) is reduced at the cathode. The oxide ions produced from this process are then transported through the solid electrolyte material, ideally a purely ionic conductor, to the anode where the fuel (e.g. H2 , hydrocarbons) is oxidised. Electrons generated by this process then flow from the anode to the cathode, completing the circuit and generating power. Lowering the operating temperature of SOFCs to an intermediate temperature range of 600 o C - 800 o C is an ongoing area of intense research and gadolinium doped ceria (CeO2 ) is a key material suggested as a suitable electrolyte for this purpose.

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Contact: O'Sullivan, Marion (STFC,RAL,SC)