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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la302050m
|2 doi
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|a pubmed24n0728.xml
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|a eng
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|a Stadie, Nicholas P
|e verfasserin
|4 aut
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|a Zeolite-templated carbon materials for high-pressure hydrogen storage
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 13.11.2012
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|a Date Revised 18.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Zeolite-templated carbon (ZTC) materials were synthesized, characterized, and evaluated as potential hydrogen storage materials between 77 and 298 K up to 30 MPa. Successful synthesis of high template fidelity ZTCs was confirmed by X-ray diffraction and nitrogen adsorption at 77 K; BET surface areas up to ~3600 m(2) g(-1) were achieved. Equilibrium hydrogen adsorption capacity in ZTCs is higher than all other materials studied, including superactivated carbon MSC-30. The ZTCs showed a maximum in Gibbs surface excess uptake of 28.6 mmol g(-1) (5.5 wt %) at 77 K, with hydrogen uptake capacity at 300 K linearly proportional to BET surface area: 2.3 mmol g(-1) (0.46 wt %) uptake per 1000 m(2) g(-1) at 30 MPa. This is the same trend as for other carbonaceous materials, implying that the nature of high-pressure adsorption in ZTCs is not unique despite their narrow microporosity and significantly lower skeletal densities. Isoexcess enthalpies of adsorption are calculated between 77 and 298 K and found to be 6.5-6.6 kJ mol(-1) in the Henry's law limit
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|a Journal Article
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|a Vajo, John J
|e verfasserin
|4 aut
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|a Cumberland, Robert W
|e verfasserin
|4 aut
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|a Wilson, Andrew A
|e verfasserin
|4 aut
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|a Ahn, Channing C
|e verfasserin
|4 aut
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|a Fultz, Brent
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 26 vom: 03. Juli, Seite 10057-63
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:28
|g year:2012
|g number:26
|g day:03
|g month:07
|g pages:10057-63
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|u http://dx.doi.org/10.1021/la302050m
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