What question did this study set out to answer?

This research aims to understand how dendrites and compositional variations affect hydrogen absorption properties in multi-principal element alloys.

May 10, 2026Journal of Materials Chemistry A1 citationsOpen Access

The impact of dendrites and related compositional fluctuations on hydrogen absorption thermodynamics in bcc multi-principal element alloys

VEVeronica Ellinor EnblomUppsala University FMFernando MaccariTechnical University of Darmstadt FSFranziska ScheibelTechnical University of Darmstadt

Key Points

This research aims to understand how dendrites and compositional variations affect hydrogen absorption properties in multi-principal element alloys.
Investigated thermodynamic properties of hydrogen absorption in bcc multi-principal element alloys.
Analyzed the role of dendrites and composition throughout the alloy structures.
Dendritic structures significantly enhance hydrogen absorption capacities compared to non-dendritic forms.
Compositional fluctuations in alloys led to measurable variations in absorption thermodynamics.

Abstract

Solid-state hydrogen storage is a key concept in the prospect of a sustainable hydrogen economy. Multi-principal element alloys (MPEAs) with a body-centred cubic ( bcc ) structure are promising hydride-forming materials, but...

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