Hydrogen dynamics in Mo2C catalyst
MoS2 and Mo2C are intensely studied catalyst candidates for the hydrogen evolution reaction (HER) in water electrolyzers. We have recently initiated a project to elucidate the structural and dynamic foundations for the reactivity of these molybdenum compounds by use of neutron scattering. A first NSE experiment on MoS2 powders (7-05-460) revealed considerable reactivity and very fast diffusion within the layers of this 2D material. Now we want to concentrate on the new material molybdenum carbide Mo2C: We propose a first set of experiments on the dynamics of hydrogen in Mo2C powders to establish the time scales of the diffusivity at temperatures up to 550 K. This experiment is part of an ILL PhD student project that will commence in the autumn of 2018 and that will join neutron diffraction and spectroscopy with MD simulations and additional techniques such as X-ray diffraction, nuclear reaction analysis and electrochemistry.
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FOUQUET Peter; KUZNETSOV Vitalii and TRAEGER Franziska. (2019). Hydrogen dynamics in Mo2C catalyst. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-05-501
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