Pd-doped HKUST-1 MOFs for enhanced hydrogen storage: effect of hydrogen spillover.

ABSTRACT: Extensive research has been devoted to developing metal nanoparticle (NP) doped porous materials with large hydrogen storage capacity and high hydrogen release pressure at ambient temperature. The ultra-sound assisted double-solvent approach (DSA) was applied for sample synthesis. In this study, tiny Pd NPs are confined into the pore space of HKUST-1, affording Pd@HKUST-1-DS with minimizing the aggregation of Pd NPs and subsequently the formation of Pd NPs on the external surface of HKUST-1. The experimental data reveal that the obtained Pd NP doped Pd@HKUST-1-DS possessed an outstanding hydrogen storage capacity of 3.68 wt% (and 1.63 wt%) at 77 K and 0.2 MPa H₂ (and 298 K and 18 MPa H₂), in comparison with pristine HKUST-1 and impregnated Pd/HKUST-1-IM. It is found t

SUBMITTER: Hu X 

PROVIDER: S-EPMC10187038 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature