Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 17, Issue 33, Pages 9188-9192Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201100532
Keywords
carbon; graphene; hydrogen production; methane cracking; sustainable chemistry
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Funding
- Australian Research Council (ARC)
- Wesfarmers
- XL TechGroup [LP0669748]
- University, State and Commonwealth Governments
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Energy production by using hydrogen gas as a feedstock is considered to be one of the keys to creating clean energy, with the proviso that the gas is generated in a sustainable way with no emissions. A simple, self-sustaining process generating hydrogen gas from methane using inexpensive stainless steel wire-mesh catalysts at elevated temperatures (800 degrees C) is reported. A theoretical analysis of the production of electricity by this process revealed peak chain energy efficiencies up to 21% (emission free) when using a percentage of the produced hydrogen (approximately 40% of purified yield) as the heat source. In addition, a practical method has been developed to purify the carbon byproduct, affording essentially pure highly graphitic spheroidal carbon for advanced materials applications.
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