Establishing ZIF‐8 as a reference material for hydrogen cryoadsorption: An interlaboratory study
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- Bundesanstalt für Materialforschung und -prüfung (BAM) Berlin Germany, Centro Ibérico de Investigación en Almacenamiento Energético (CIIAE) Cáceres Spain
- Max Planck Institute for Intelligent Systems Stuttgart Germany, Current address: Bauhaus Luftfahrt e.V. Münnchen Germany
- The Adsorption &, Advanced Materials Laboratory (A2ML), Department of Chemical Engineering &, Biotechnology, University of Cambridge Cambridge UK
- Universidad de Alicante. Alicante Spain
- Curtin University Perth Australia
- National Center for Scientific Research “Demokritos” (NCSRD) Athens Greece
- Université Paris Est Creteil (CNRS-ICMPE-UMR7182) Thiais France
- National Renewable Energy Laboratory (NREL) Denver USA
- Technische Universität Dresden (TUD) Dresden Germany
- Ulsan National Institute of Science and Technology (UNIST) Ulsan South Korea
- G2MTech. Alicante Spain
- Max Planck Institute for Intelligent Systems Stuttgart Germany, Advanced Institute for Materials Research (WPI-AIMR) Tohoku University Sendai Japan
- Bundesanstalt für Materialforschung und -prüfung (BAM) Berlin Germany
Abstract Hydrogen storage by cryoadsorption on porous materials has the advantages of low material cost, safety, fast kinetics, and high cyclic stability. The further development of this technology requires reliable data on the H 2 uptake of the adsorbents, however, even for activated carbons the values between different laboratories show sometimes large discrepancies. So far no reference material for hydrogen cryoadsorption is available. The metal‐organic framework ZIF‐8 is an ideal material possessing high thermal, chemical, and mechanical stability that reduces degradation during handling and activation. Here, we distributed ZIF‐8 pellets synthesized by extrusion to 9 laboratories equipped with 15 different experimental setups including gravimetric and volumetric analyzers. The gravimetric H 2 uptake of the pellets was measured at 77 K and up to 100 bar showing a high reproducibility between the different laboratories, with a small relative standard deviation of 3–4 % between pressures of 10–100 bar. The effect of operating variables like the amount of sample or analysis temperature was evaluated, remarking the calibration of devices and other correction procedures as the most significant deviation sources. Overall, the reproducible hydrogen cryoadsorption measurements indicate the robustness of the ZIF‐8 pellets, which we want to propose as a reference material.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- EMPIR Program; European Union's Horizon 2020; France 2030; USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Hydrogen Fuel Cell Technologies Office (HFTO)
- Grant/Contract Number:
- AC36-08GO28308
- OSTI ID:
- 2282790
- Report Number(s):
- NREL/JA-5K00-88832; e202300794
- Journal Information:
- ChemPhysChem, Journal Name: ChemPhysChem Journal Issue: 5 Vol. 25; ISSN 1439-4235
- Publisher:
- Wiley Blackwell (John Wiley & Sons)Copyright Statement
- Country of Publication:
- Germany
- Language:
- English
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