AK&M 05 November 2024 13:16
Scientists of the A.E. Arbuzov Institute of Organic and Physical Chemistry of KazNC RAS have obtained a new effective catalyst for hydrogen synthesis based on nickel compounds. The result was presented at the cluster of conferences on organoelement and supramolecular chemistry “Scientific Strategies of the Future”, which ended in Kazan.
Hydrogen is considered one of the most promising and environmentally friendly energy sources that can eventually replace traditional fuels. Catalysts play a key role in the production of hydrogen by the proton reduction method. Despite the fact that precious metals such as platinum demonstrate high efficiency as catalysts, limited availability and high cost make their use in mass production of hydrogen economically impractical.
Kazan scientists proposed using a nickel—based compound, which does not belong to the group of noble metals, and available acetic acid as a source of protons, when producing hydrogen gas.
The new material is a phosphorus-containing tweezer complex (complex with tick-like ligands) of nickel(II). The researchers studied its properties in solution and solid state using NMR spectroscopy and single-crystal X—ray diffraction analysis, methods that make it possible to accurately determine the structure of the compound.
Electrochemical research has shown that in the presence of the studied complex, the reduction of protons on various electrode materials occurs practically without energy consumption, which distinguishes it favorably from other known catalysts, while achieving a high current yield (up to 85%). These results open up new possibilities for the use of metal complexes of the nickel subgroup as electrocatalysts in hydrogen synthesis processes.
The study was carried out with the support of the Ministry of Education and Science of Russia as part of a major scientific project “Ecology of industrial cities”.
Please note that this press release is based on materials provided by the company. AK&M Information Agency shall not be held liable for its contents, nor for the legal and other consequences of its publication.
This post was originally published on here
