Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf>

Enrique Martínez-Franco, Thomas Klassen, Martin Dornheim, Ruediger Bormann, David Jaramillo-Vigueras

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Mechano-synthesis through mechanical alloying (MA) has been employed to obtain a nanocrystalline complex sodium lithium alanate, namely, Na 2LiAlH6 from starting materials NaH and LiAlH4. Different Ti-based additives were milled together with starting materials in order to achieve improved hydrogen absorption kinetics. Hydrogen titration experiments showed that the material processed with 5 mol% TiCl3 has the fastest ab- and desorption kinetics, but at the sacrifice of hydrogen capacity. This could be correlated to the formation of NaCl during milling and after absorption. Differential scanning calorimetry (DSC) results demonstrate that the endothermic peak of TiCl3 doped material shifted 53°C to lower temperatures.
Original languageAmerican English
Title of host publicationHydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6
Pages13-20
Number of pages10
ISBN (Electronic)9780470408490
StatePublished - 13 Aug 2010
EventCeramic Transactions -
Duration: 1 Jan 2012 → …

Publication series

NameCeramic Transactions
Volume209
ISSN (Print)1042-1122

Conference

ConferenceCeramic Transactions
Period1/01/12 → …

Fingerprint

Oxides
Chlorides
Hydrogen
Differential Scanning Calorimetry
Lithium
Temperature
titanium trichloride
sodium aluminum hydride
lithium aluminum hydride

Cite this

Martínez-Franco, E., Klassen, T., Dornheim, M., Bormann, R., & Jaramillo-Vigueras, D. (2010). Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf> In Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6 (pp. 13-20). (Ceramic Transactions; Vol. 209).
Martínez-Franco, Enrique ; Klassen, Thomas ; Dornheim, Martin ; Bormann, Ruediger ; Jaramillo-Vigueras, David. / Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf>. Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6. 2010. pp. 13-20 (Ceramic Transactions).
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abstract = "Mechano-synthesis through mechanical alloying (MA) has been employed to obtain a nanocrystalline complex sodium lithium alanate, namely, Na 2LiAlH6 from starting materials NaH and LiAlH4. Different Ti-based additives were milled together with starting materials in order to achieve improved hydrogen absorption kinetics. Hydrogen titration experiments showed that the material processed with 5 mol{\%} TiCl3 has the fastest ab- and desorption kinetics, but at the sacrifice of hydrogen capacity. This could be correlated to the formation of NaCl during milling and after absorption. Differential scanning calorimetry (DSC) results demonstrate that the endothermic peak of TiCl3 doped material shifted 53°C to lower temperatures.",
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Martínez-Franco, E, Klassen, T, Dornheim, M, Bormann, R & Jaramillo-Vigueras, D 2010, Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf> in Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6. Ceramic Transactions, vol. 209, pp. 13-20, Ceramic Transactions, 1/01/12.

Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf> / Martínez-Franco, Enrique; Klassen, Thomas; Dornheim, Martin; Bormann, Ruediger; Jaramillo-Vigueras, David.

Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6. 2010. p. 13-20 (Ceramic Transactions; Vol. 209).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Mechano-synthesis through mechanical alloying (MA) has been employed to obtain a nanocrystalline complex sodium lithium alanate, namely, Na 2LiAlH6 from starting materials NaH and LiAlH4. Different Ti-based additives were milled together with starting materials in order to achieve improved hydrogen absorption kinetics. Hydrogen titration experiments showed that the material processed with 5 mol% TiCl3 has the fastest ab- and desorption kinetics, but at the sacrifice of hydrogen capacity. This could be correlated to the formation of NaCl during milling and after absorption. Differential scanning calorimetry (DSC) results demonstrate that the endothermic peak of TiCl3 doped material shifted 53°C to lower temperatures.

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Martínez-Franco E, Klassen T, Dornheim M, Bormann R, Jaramillo-Vigueras D. Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na <inf>2</inf>LiAlH<inf>6</inf> In Hydrogen sorption properties of Ti- oxide/chloride catalyzed Na 2LiAlH6. 2010. p. 13-20. (Ceramic Transactions).