10Nanostructured TiO2‐Based Hydrogen Evolution Reaction (HER) Electrocatalysts: A Preliminary Feasibility Study in Electrodialytic Remediation with Hydrogen Recovery
Antonio Rubino1, Joana Almeida2, Catia Magro2, Pier G. Schiavi1, Paula Guedes2, Nazare Couto2, Eduardo P. Mateus2, Pietro Altimari1, 3, Maria L. Astolfi1, Robertino Zanoni1, Alexandra B. Ribeiro2, and Francesca Pagnanelli1, 3
1 Department of Chemistry, Sapienza University of Rome, 00185, Rome, Italy
2 CENSE – Center for Environmental and Sustainability Research, Department of Environmental Sciences and Engineering, NOVA School of Science and Technology, NOVA University Lisbon, 2829‐516, Caparica, Portugal
3 Eco Recycling Srl, Rome, 00156, Italy
4 Instituto de Tecnologia Química e Biológica António Xavier, NOVA University Lisbon, 2780‐157, Oeiras, Portugal
10.1 Introduction
The global growth in demand for energy in recent decades and environmental issues related to climate change led have to increasing attention on sustainable energy production [1]. In this scenario, hydrogen as an energy vector represents an attractive carbonless fuel. The only reaction product resulting from its oxidation is pure water, with little or null environmental impact [2]. Furthermore, thanks to its high versatility, it can be used directly in internal combustion engines [3] or converted into electricity using fuel cells [4].
On the other hand, even though it is one of the most abundant elements in the universe, the available hydrogen ...
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