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ECN publication
Reassessing the variability in atmospheric H2 using 1, Journal of Geophysical Research
Pieterse, G.; Krol, M.C.; Batenburg, A.M.; Brenninkmeijer, C.A.M.; Popa, M.E.; O'Doherty, S.; Grant, J.; Steele, L.P.; Krummel, P.B.; Langenfelds, R.L.; Wang, Haitao; Vermeulen, A.T.; Schmidt, M.; Yver, C. ; Jordan, A.; Engel, A.; Fisher, R.E.; Lowry, D.; Nisbet, E.G.; Reimann, S.; Vollmer, M.K.; Steinbacher, M.; Hammer, S.; Forster, G.; Sturges, W.T.; Röckmann, T.
Published by: Publication date:
ECN Environment & Energy Engineering 14-9-2012
ECN report number: Document type:
ECN-W--12-039 Article (scientific)
Number of pages:

Published in: Journal of Geophysical Research (AGU), , September 2012, Vol., p.-.

Since the industrialisation of fuel cell technology during the 1970s and 80s, molecu3 3 lar hydrogen (H2) has been considered as a clean alternative for fossil fuel based energy 34 carriers. The selective oxidation of H2 by oxygen only produces water, contrary to the 35 combustion of fossil fuels with air that produces carbon dioxide, carbon monoxide, ni3 6 trogen oxides, soot, and many other volatile organic compounds. As H2 is not readily 37 available in large quantities, practical applications of fuel cell technology rely on conver3 8 sion from other energy carriers (e.g. bio fuels or fossil fuels) or generation of H2 from 39 direct energy sources (e.g. solar energy). The low overall well-to-wheel eciency of the 40 entire energy production chain and the accompanying costs, have so far limited the use of 41 H2 to a relatively small number of applications. Nevertheless, the potential for improving 42 urban air quality and reducing the human impact on climate remains appealing.

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