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The development of a sustainable energy economy, based not on limited fossil fuels, but on renewable, carbon-neutral energy is a necessary and urgent task.
Hydrogen (H2) is a leading candidate for the storage and transportation of energy provided it can be efficiently produced from renewable energy sources and effectively stored in a safe and concentrated manner. Reaching these goals for H2 requires breakthroughs in both aspects of production and storage. In addition, technologies must be developed for both small to medium “personalized energy” and large scale distributed applications. Thus any realistic and practical solution to develop a sustainable energy economy must be diverse—managing energy conversion, storage and transport on all scales.
Solar energy, the largest and most promising renewable source available, has the potential to provide sufficient power for carbon neutral H2 production via water hydrolysis on the scale required. However, solar electricity for electrolysis of water generated by state-of-the-art photovoltaics (PV) or concentrating thermal power (CSP) still remains too expensive to compete with other forms of electricity generation. Moreover, sustainable and efficient H2 production alone is not enough to realize a carbon-neutral energy economy—the safe and efficient storage and transportation of H2 also remains a critical issue for the transition towards a hydrogen-based energy supply system.
Highlights of the project
High relevance for sustainability
Efficient conversion of solar into chemical energy
Effective storage for transportation and usage
Contact
Coordinator
Postal address
EPFL SB ISIC LCOM
BCH 2401 (Batochime UNIL)
Av. Forel 2
CH-1015 Lausanne
Tél. : +41 21 693 98 53
Fax : +41 21 693 97 80
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