Key strategies of hydrogen energy systems for sustainability

Adnan Midilli*, Ibrahim Dincer

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128 Atıf (Scopus)

Özet

Here we conduct a parametric study to investigate the effects of hydrogen energy utilization on the global stability and sustainability. In this regard, in order to derive the hydrogen energy based sustainability ratio, the green energy based sustainability ratio, as developed earlier, is modified to come up with a new parameter, namely "hydrogen energy utilization ratio through non-fossil fuels". We take actual historical data from key sources to determine the role of hydrogen energy for sustainability and make some future projections as the road map for hydrogen economy. In addition, an illustrative example on the hydrogen energy based sustainability ratio is presented by considering green energy sources such as solar, wind, hydro and nuclear to make hydrogen economy more environmentally benign and sustainable. It is found that hydrogen energy based global stability and sustainability ratios increase with the rise of hydrogen energy utilization ratio. The best results for hydrogen energy based sustainability ratio are obtained for the highest hydrogen energy impact ratios between 73.33% and 100%. In case of 10% of hydrogen energy utilization ratio, hydrogen based sustainability ratios for year 2010 are, respectively, determined to be 0.21%, 0.23%, 0.25%, 0.27% and 0.29% in 2.92% of hydrogen based global stability ratio by depending on the hydrogen energy impact ratios (= 73.33 %, 80%, 86.67%, 93.33% and 100%). In case of 20% of hydrogen energy utilization ratio, the hydrogen energy based sustainability ratios are found to be 1.09%, 1.19%, 1.28%, 1.38% and 1.48% in 7.41%, respectively. The results are really encouraging in a way that hydrogen economy appears to be one of the most significant players for better sustainability.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)511-524
Sayfa sayısı14
DergiInternational Journal of Hydrogen Energy
Hacim32
Basın numarası5
DOI'lar
Yayın durumuYayınlandı - Nis 2007
Harici olarak yayınlandıEvet

Finansman

The authors acknowledge the support provided by Nigde University in Turkey and the Natural Science and Engineering Research Council of Canada in Canada.

FinansörlerFinansör numarası
Nigde University in Turkey
Natural Sciences and Engineering Research Council of Canada

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