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|Title:||An international laboratory comparison study of volumetric and gravimetric hydrogen adsorption measurements|
|Authors:||HURST KATHERINE E.; GENNETT THOMAS; ADAMS JESSE; ALLENDORF MARK D.; BALDERAS-XICOHTENCATL RAFAEL; BIELEWSKI MAREK; EDWARDS BRYCE; ESPINAL L; FULTZ BRENT; HIRSCHER MICHAEL; HUDSON M.S.L.; HULVEY ZERIC; LATROCHE M.; LIU DI-JIA; KAPELEWSKI MATTHEW; NAPOLITANO EMILIO; PERRY ZACHARY T.; PUREWAL JUSTIN; STAVILA VITALIE; VEENSTRA MIKE; WHITE JAMES L.; YUAN YUPING; ZHOU HONG-CAI; ZLOTEA CLAUDIA; PARILLA PHILIP|
|Citation:||CHEMPHYSCHEM vol. 20 no. 15 p. 1997-2009|
|Publisher:||WILEY-V C H VERLAG GMBH|
|Type:||Articles in periodicals and books|
|Abstract:||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.|
|JRC Directorate:||Energy, Transport and Climate|
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