SOLARIS Synchrotron - Wenyi Huo

Title: Electrocatalytic mechanism of amorphous/crystalline high entropy alloys for enhanced OER applications

Abstract: The proposed research is aimed at developing new state-of-the-art amorphous/crystalline high entropy alloy (HEA) electrocatalysts and uncovering the deeper correlation between elevated catalytic oxygen evolution reaction (OER) activity and structural features. The fine structural properties and the unique compositional complexity could be precisely investigated by X-ray absorption spectroscopy (XAS) measurements. Herein, the XAS measurement of those samples could offer a powerful experimental methodology to explore the evolution of crystal structure and compositional adjustments. Understanding and optimizing the chemical complexity on the microscopic/macroscopic scale of HEA catalysts could effectively tailor the intrinsic electronic configuration and specific active surface. This exquisite regulation can control the adsorption/desorption behavior of key intermediates and further enhance the OER kinetics during all stages. Overall, we believe that this proposed study could promote the structural engineering of high-entropy materials and provide a new design platform for novel catalysts.

 



This project has received funding from the European Union Horizon 2020 research and innovation
programme under grant agreement No 857470 and from European Regional Development Fund
via Foundation for Polish Science International Research Agenda PLUS programme grant
No MAB PLUS/2018/8.
Poland
The project is co-financed from the state budget within the framework of the undertaking of the Minister of Science and Higher Education "Support for the activities of Centers of Excellence established under Horizon 2020".

Grant: 5 143 237,70 EUR
Total value: 29 971 365,00 EUR
Date of signing the funding agreement: December 2023

The purpose of the undertaking is to support entities of the higher education and science system that have received funding from the European Union budget in the competition H2020-WIDESPREAD-2018-2020/WIDESPREAD-01-2018-2019: Teaming Phase 2. in the preparation, implementation and updating of activities, maintenance of material resources necessary for carrying out activities, acquisition and modernization of scientific and research apparatus, maintenance and development of personnel potential necessary for the implementation of activities, and dissemination of the results of scientific activities.