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Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels

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Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels. / Morris, Leah; Trudeau, Michel L.; Reed, Daniel et al.
In: Physical Chemistry Chemical Physics, Vol. 17, No. 14, 2015, p. 9480-9487.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Morris, L, Trudeau, ML, Reed, D, Brook, D & Antonelli, D 2015, 'Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels', Physical Chemistry Chemical Physics, vol. 17, no. 14, pp. 9480-9487. https://doi.org/10.1039/C5CP00412H

APA

Morris, L., Trudeau, M. L., Reed, D., Brook, D., & Antonelli, D. (2015). Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels. Physical Chemistry Chemical Physics, 17(14), 9480-9487. https://doi.org/10.1039/C5CP00412H

Vancouver

Morris L, Trudeau ML, Reed D, Brook D, Antonelli D. Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels. Physical Chemistry Chemical Physics. 2015;17(14):9480-9487. Epub 2015 Mar 6. doi: 10.1039/C5CP00412H

Author

Morris, Leah ; Trudeau, Michel L. ; Reed, Daniel et al. / Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels. In: Physical Chemistry Chemical Physics. 2015 ; Vol. 17, No. 14. pp. 9480-9487.

Bibtex

@article{c207f40433b64c65b7fa3d86d43f11d5,
title = "Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels",
abstract = "In this paper we present amorphous chromium(III) hydride gels that show promise as reversible room temperature hydrogen storage materials with potential for exploitation in mobile applications. The material uses hydride ligands as a light weight structural feature to link chromium(III) metal centres together which act as binding sites for further dihydrogen molecules via the Kubas interaction, the mode of hydrogen binding confirmed by high pressure Raman spectroscopy. The best material possesses a reversible gravimetric storage of 5.08 wt% at 160 bar and 25 °C while the volumetric density of 78 kgH2 m−3 compares favourably to the DOE ultimate system goal of 70 kg m−3. The enthalpy of hydrogen adsorption is +0.37 kJ mol−1 H2 as measured directly at 40 °C using an isothermal calorimeter coupled directly to a Sieverts gas sorption apparatus. These data support a mechanism confirmed by computations in which the deformation enthalpy required to open up binding sites is almost exactly equal and opposite to the enthalpy of hydrogen binding to the Kubas sites, and suggests that this material can be used in on-board applications without a heat management system.",
author = "Leah Morris and Trudeau, {Michel L.} and Daniel Reed and David Brook and David Antonelli",
year = "2015",
doi = "10.1039/C5CP00412H",
language = "English",
volume = "17",
pages = "9480--9487",
journal = "Physical Chemistry Chemical Physics",
issn = "1463-9076",
publisher = "Royal Society of Chemistry",
number = "14",

}

RIS

TY - JOUR

T1 - Thermodynamically neutral Kubas-type hydrogen storage using amorphous Cr(III) alkyl hydride gels

AU - Morris, Leah

AU - Trudeau, Michel L.

AU - Reed, Daniel

AU - Brook, David

AU - Antonelli, David

PY - 2015

Y1 - 2015

N2 - In this paper we present amorphous chromium(III) hydride gels that show promise as reversible room temperature hydrogen storage materials with potential for exploitation in mobile applications. The material uses hydride ligands as a light weight structural feature to link chromium(III) metal centres together which act as binding sites for further dihydrogen molecules via the Kubas interaction, the mode of hydrogen binding confirmed by high pressure Raman spectroscopy. The best material possesses a reversible gravimetric storage of 5.08 wt% at 160 bar and 25 °C while the volumetric density of 78 kgH2 m−3 compares favourably to the DOE ultimate system goal of 70 kg m−3. The enthalpy of hydrogen adsorption is +0.37 kJ mol−1 H2 as measured directly at 40 °C using an isothermal calorimeter coupled directly to a Sieverts gas sorption apparatus. These data support a mechanism confirmed by computations in which the deformation enthalpy required to open up binding sites is almost exactly equal and opposite to the enthalpy of hydrogen binding to the Kubas sites, and suggests that this material can be used in on-board applications without a heat management system.

AB - In this paper we present amorphous chromium(III) hydride gels that show promise as reversible room temperature hydrogen storage materials with potential for exploitation in mobile applications. The material uses hydride ligands as a light weight structural feature to link chromium(III) metal centres together which act as binding sites for further dihydrogen molecules via the Kubas interaction, the mode of hydrogen binding confirmed by high pressure Raman spectroscopy. The best material possesses a reversible gravimetric storage of 5.08 wt% at 160 bar and 25 °C while the volumetric density of 78 kgH2 m−3 compares favourably to the DOE ultimate system goal of 70 kg m−3. The enthalpy of hydrogen adsorption is +0.37 kJ mol−1 H2 as measured directly at 40 °C using an isothermal calorimeter coupled directly to a Sieverts gas sorption apparatus. These data support a mechanism confirmed by computations in which the deformation enthalpy required to open up binding sites is almost exactly equal and opposite to the enthalpy of hydrogen binding to the Kubas sites, and suggests that this material can be used in on-board applications without a heat management system.

U2 - 10.1039/C5CP00412H

DO - 10.1039/C5CP00412H

M3 - Journal article

VL - 17

SP - 9480

EP - 9487

JO - Physical Chemistry Chemical Physics

JF - Physical Chemistry Chemical Physics

SN - 1463-9076

IS - 14

ER -