Hydrogen Storage Capacity of Tetrahydrofuran and Tetra- N -Butylammonium Bromide Hydrates Under Favorable Thermodynamic Conditions

Joshua T. Weissman and Stephen M. Masutani
Additional contact information
Joshua T. Weissman: Hawaiian Electric Company, Honolulu, HI 96814, USA
Stephen M. Masutani: Hawaii Natural Energy Institute, University of Hawaii, Honolulu, HI 96822, USA

Energies, 2017, vol. 10, issue 8, 1-20

Abstract: An experimental study was conducted to evaluate the feasibility of employing binary hydrates as a medium for H 2 storage. Two reagents, tetrahydrofuran (THF) and tetra- n -butylammonium bromide (TBAB), which had been reported previously to have potential to form binary hydrates with H 2 under favorable conditions (i.e., low pressures and high temperatures), were investigated using differential scanning calorimetry and Raman spectroscopy. A scale-up facility was employed to quantify the hydrogen storage capacity of THF binary hydrate. Gas chromatography (GC) and pressure drop analyses indicated that the weight percentages of H 2 in hydrate were less than 0.1%. The major conclusions of this investigation were: (1) H 2 can be stored in binary hydrates at relatively modest pressures and temperatures which are probably feasible for transportation applications; and (2) the storage capacity of H 2 in binary hydrate formed from aqueous solutions of THF over a concentration range extending from 2.78 to 8.34 mol % and at temperatures above 263 K and pressures below 11 MPa was <0.1 wt %.

Keywords: hydrate; hydrogen storage; THF; TBAB; calorimetry; Raman (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

Downloads: (external link)
https://www.mdpi.com/1996-1073/10/8/1225/pdf (application/pdf)
https://www.mdpi.com/1996-1073/10/8/1225/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:10:y:2017:i:8:p:1225-:d:108697

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().