Title: The Accuracy of Hydrogen Sorption Measurements on Potential Storage Materials
Authors: BROOM Darren
Citation: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY vol. 32 p. 4871-4888
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2007
JRC N°: JRC36296
ISSN: 0360-3199
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC36296
DOI: 0.1016/j.ijhydene.2007.07.056
Type: Articles in periodicals and books
Abstract: The most common gas phase hydrogen sorption measurement techniques used for the characterisation of potential hydrogen storage materials are the volumetric, or manometric, and gravimetric methods and temperature-programmed desorption (TPD), also known as thermal desorption spectroscopy (TDS). In this article previous work relating to the accuracy of these measurements, including some comparative studies, is reviewed, together with some relevant standards and related guidelines. The potential sources of error in hydrogen sorption measurements performed volumetrically and gravimetrically are also discussed, together with some of those related to temperature-programmed desorption (TPD). The issues covered include sample degassing procedures, hydrogen compressibility, gas purity and differences in helium and hydrogen leak rates.
JRC Directorate:Energy, Transport and Climate

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