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May 7, 2026ACS OmegaOpen Access

Enhancing Volumetric Hydrogen Storage Capacity through Bimodal Packing of MOF Particles

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Authors

WKW M KimDKDae Won KimDSDong Yun Shin

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Overview

Demonstrates improved hydrogen storage capacity using bimodal packing in metal-organic frameworks, indicating effective particle design strategies.

Key Points

  • The research aims to enhance volumetric hydrogen storage capacity using bimodal packing of MOF particles.
  • Synthesized V3(PET) MOF in two sizes (∼9 μm and ∼300 nm) for bimodal packing.
  • Utilized discrete element method (DEM) simulations to design particle packing.
  • Validated simulation predictions through tapping density measurements and high-pressure H2 adsorption isotherms.
  • Achieved a packing fraction of 0.56 with bimodal packing compared to 0.42 for unimodal packing.
  • Realized a 33–38% increase in volumetric excess hydrogen uptake at 77 K.
  • Enhanced working capacity of up to 37.7 g/L under pressure–temperature swing adsorption conditions.

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/69fbefd5164b5133a91a3ec2https://doi.org/10.1021/acsomega.6c02165
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