Dual tuning of the de-/hydrogenation thermodynamics and kinetics of the Mg–Ni alloy by introducing the Ag–H bond: enhanced hydrogen storage properties at moderate temperatures
Wenchao Cao, Xin Ding, Ruirun Chen, Jiaxin Zhang, Yong Zhang, Jingjie Guo, Hengzhi Fu
Abstract
The onset dehydrogenation temperature of Mg 85 Ni 14.8 Ag 0.2 reduces to 178 °C due to the enhanced hydrogen pumping effect of Mg 2 NiH 4 by adjusting the Ni–H bond.
Topics & Concepts
DehydrogenationHydrogen storageAlloyKineticsThermodynamicsMaterials scienceHydrogenDual (grammatical number)Hydrogen bondPhysical chemistryChemical engineeringMetallurgyChemistryCatalysisOrganic chemistryMoleculeQuantum mechanicsPhysicsEngineeringLiteratureArtHydrogen Storage and MaterialsAmmonia Synthesis and Nitrogen ReductionHybrid Renewable Energy Systems