Palladium, a hydrogen sponge
Palladium nanothreads for hydrogen detectors

Fred FAVIER is a CNRS research fellow at the Laboratory of Molecular Aggregates and Inorganic Materials at the University of Montpellier-II.

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Many see hydrogen (H ₂ ) as the energy source that will replace fossil fuels in the future. Fuel cells and direct combustion engines use hydrogen and offer the enormous advantage of releasing only one totally harmless waste product into nature: water. The downside is that the risk of explosion above 4% hydrogen...