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Green hydrogen: Research to enhance efficiency

Laboratory experiments and a parabolic flight campaign have enabled an international team of researchers from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) to gain new insights into water electrolysis, in which hydrogen is obtained from water by applying electric energy. Water electrolysis could play a key role in the energy transition if efficiency improvements can be achieved. The findings published recently in the journal Physical Review Letters offer a possible starting point for enhancing the environmental impact of hydrogen-based technologies. Workable solutions for the intermediate storage of energy are needed to ensure that excess electricity generated by solar and wind energy systems during peak production is not wasted. The production of hydrogen—which can then be converted into other chemical energy carriers—is an attractive option. It is essential that this process occurs in the most efficient—and therefore cost-effective—way.  Read more....



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