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Hydrogen in Energy Materials

Funding ended January 2023

This group was concerned with the 3D mapping of hydrogen at near-atomic scale in metallic alloys with the aim to better understand hydrogen storage materials and hydrogen embrittlement.

This group Hydrogen in Energy Materials (ERC-SHINE) was funded by the ERC-Consolidator grant obtained by Dr. Baptiste Gault. The group was hosted in the Microstructure Physics and Alloy Design department, with collaborators based in the CM department, in particular Dr. Tilmann Hickel.

SHINE made use of the infrastructure of the LAPLACE project established by funding received from the Max-Planck-Society and the BMBF, to try and unveil the distribution of hydrogen in metals by using atom probe tomography.

Two main axes were pursued: first, metallic systems in which hydrogen is known to cause severe embrittlement; second, metallic systems used in hydrogen storage or in hydrogen power generation (i.e. fuel cells).

Key Publications

Khanchandani, H.; Rolli, R.; Schneider , H.-C.; Kirchlechner, C.; Gault, B.: Hydrogen embrittlement of twinning-induced plasticity steels: Contribution of segregation to twin boundaries. Scripta Materialia 225, 115187 (2023)
Xu, Y.; Toda, H.; Shimizu, K.; Wang, Y.; Gault, B.; Li, W.; Hirayama, K.; Fujihara, H.; Jin, X.; Takeuchi, A. et al.; Uesugi, M.: Suppressed hydrogen embrittlement of high-strength Al alloys by Mn-rich intermetallic compound particles. Acta Materialia 236, 118110 (2022)

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