Journal
CHEMPHYSCHEM
Volume 20, Issue 15, Pages 1997-2009Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201900166
Keywords
hydrogen storage measurement; comparative measurement study; excess capacity; volumetric capacity
Funding
- Advanced Research Projects Agency-Energy (ARPA-E) [1208-0000] Funding Source: Medline
- Argonne National Laboratory Funding Source: Medline
- Lawrence Berkeley National Laboratory Funding Source: Medline
- National Renewable Energy Laboratory [DE-AC04-94AL85000] Funding Source: Medline
- Office of Energy Efficiency and Renewable Energy Funding Source: Medline
- Office of Science of U. S. Department of Energy [DE-AC02-06CH11357] Funding Source: Medline
- Sandia National Laboratories [DE-AC02-05CH11231] Funding Source: Medline
- U.S. Department of Energy Funding Source: Medline
- U.S. Department of Energy (DOE) [DE-AC36-08GO28308] Funding Source: Medline
- U.S. Department of Energy's National Nuclear Security Administration [DE-NA-0003525] Funding Source: Medline
- Energy Materials Network Funding Source: Medline
- Oak Ridge Associated Universities (ORAU) [DE-AC05- 06OR23100] Funding Source: Medline
- National Technology and Engineering Solutions of Sandia Funding Source: Medline
- Alliance for Sustainable Energy Funding Source: Medline
- Hydrogen Materials-Advanced Research Consortium (HyMARC) Funding Source: Medline
- Fullbright-Nehru Postdoctoral Research [2044/FNPDR/2015] Funding Source: Medline
- Fuel Cell Technologies Office [DE-AC36-08-GO28308] Funding Source: Medline
Ask authors/readers for more resources
In order to determine a material's hydrogen storage potential, capacity measurements must be robust, reproducible, and accurate. Commonly, research reports focus on the gravimetric capacity, and often times the volumetric capacity is not reported. Determining volumetric capacities is not as straight-forward, especially for amorphous materials. This is the first study to compare measurement reproducibility across laboratories for excess and total volumetric hydrogen sorption capacities based on the packing volume. The use of consistent measurement protocols, common analysis, and figure of merits for reporting data in this study, enable the comparison of the results for two different materials. Importantly, the results show good agreement for excess gravimetric capacities amongst the laboratories. Irreproducibility for excess and total volumetric capacities is attributed to real differences in the measured packing volume of the material.
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