A new approach to improve the catalysts for hydrogen evolution reaction

phys.org | 1/23/2019 | Staff
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An international collaboration between researchers in Spain and Scotland has resulted in a new approach to improve the catalysts needed to carry out the hydrogen evolution reaction (HER). The reaction, in which water is transformed into hydrogen and oxygen, is a promising alternative to humanity's dependency on fossil fuels to satisfy energy requirements.

The results, published in Nature Communications, demonstrate that molecular HER-catalysts can work in an efficient manner while highlighting the fundamental importance of understanding the underlying catalyst-water interactions and the fine balance of numerous parameters affecting the evolution of hydrogen.

Carles - Bo - Group - Leader - Institute

Carles Bo, group leader at the Institute of Chemical Research of Catalonia (ICIQ), is one of the lead authors on the paper. He said: "We are trying to find catalysts cheaper than the noble-metal based ones used right now, to make economically viable the production of hydrogen from water.

"These findings will accelerate the development of a hydrogen-based economy."

Combination - Approaches - Scientists - Insights - Hydrogen

The combination of theoretical and experimental approaches has allowed the scientists to gain some mechanistic insights into the Hydrogen Evolution Reaction and to explore how the new catalysts work.

Dr. Haralampos Miras, senior lecturer at the University of Glasgow's School of Chemistry, said: "We are interested in making molecules designed to tackle challenging tasks such as the evolution of hydrogen from water and understand how these molecules work."

MoS2 - Material - Generation - Hydrogen - Water

MoS2 is a promising material for the electrocatalytic generation of hydrogen from water. However, tuning the 2-D material for an...
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