Cited by 117Hydrogen Storage and MaterialsEnergetic Materials and CombustionHydrogen embrittlement and corrosion behaviors in metals

The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.

Improved Hydrogen Storage Kinetics of Nanoconfined NaAlH4 Catalyzed with TiCl3 Nanoparticles

Abstract

Nanoparticles of NaAlH(4) have been infiltrated in nanoporous carbon aerogel with TiCl(3) nanoparticles in order to explore possible synergetic effects between nanoconfinement and a functionalized catalytic scaffold. Resorcinol formaldehyde carbon aerogels with an average pore size of 17 nm and total pore volume of 1.26 mL/g were infiltrated with TiCl(3) to obtain an aerogel doped with 3.0 wt % TiCl(3) nanoparticles. NaAlH(4) was melt-infiltrated into the functionalized carbon aerogel at 189 °C and p(H(2)) ∼ 186-199 bar. Energy-dispersive spectrometry (EDS) combined with focused ion beam (FIB) techniques revealed the presence of Na, Al, Ti, and Cl inside the aerogel scaffold material. The infiltrated NaAlH(4) was X-ray amorphous, whereas (27)Al magic-angle spinning (MAS) NMR spectroscopy confirmed the presence of nanoconfined NaAlH(4). Temperature-programmed desorption mass spectroscopy (TPD-MS) and Sieverts' measurements demonstrated significantly improved hydrogen desorption kinetics for this new nanoconfined NaAlH(4)-TiCl(3) material as compared to nanoconfined NaAlH(4) without the catalysts TiCl(3) and to bulk ball-milled samples of NaAlH(4)-TiCl(3). We find that the onset temperature for hydrogen release was close to room temperature (T(onset) = 33 °C), and the hydrogen release rate reached a maximum value at 125 °C, which demonstrates favorable synergetic effects between nanoconfinement and catalyst addition.

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Crossref · 10.1021/nn200643b

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Metadata

Authors
Nielsen, T. K., Polanski, M., Zasada, D., Javadian, P., Besenbacher, F., Bystrzycki, J., Skibsted, J., & Jensen, T. R.
Affiliations
  • Aarhus University (DK)
  • Faculty of Advanced Technology and Chemistry, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, Poland
  • Military University of Technology in Warsaw (PL)
Corresponding author
Jensen, Torben R.
Venue
ACS Nano
Published
2011-04-05
Volume
5
Issue
5
Pages
4056-4064
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2040357673
Cited by
117
References
43
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 6 · 2022: 5 · 2021: 8 · 2020: 7 · 2019: 1 · 2018: 10 · 2017: 12 · 2016: 10 · 2015: 9 · 2014: 10 · 2013: 12 · 2012: 15
FWCI
6.59
Type
journal article
Language
en
Open access
closed
Locations
  • ACS Nano (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Energetic Materials and Combustion
  • Physical Sciences › Materials Science › Metals and Alloys › Hydrogen embrittlement and corrosion behaviors in metals
Keywords
sodium alanate, NaAlH4, hydrogen storage, hydrogen desorption kinetics, catalysts, nanoconfinement, carbon aerogels, resorcinol-formaldehyde, melt infiltration, synergistic effect, hydrogen release rate
MeSH terms
Absorption, Chlorine, Hydrogen, Kinetics, Materials Testing, Particle Size, Titanium, Nanostructures

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