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A Reversible Nanoco...
A Reversible Nanoconfined Chemical Reaction
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Nielsen, Thomas K. (författare)
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Boesenberg, Ulrike (författare)
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Gosalawit, Rapee (författare)
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Dornheim, Martin (författare)
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- Cerenius, Yngve (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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Besenbacher, Flemming (författare)
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Jensen, Torben R. (författare)
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(creator_code:org_t)
- 2010-06-10
- 2010
- Engelska.
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Ingår i: ACS Nano. - : American Chemical Society (ACS). - 1936-086X .- 1936-0851. ; 4:7, s. 3903-3908
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Hydrogen is recognized as a potential, extremely interesting energy carrier system, which can facilitate efficient utilization of unevenly distributed renewable energy. A major challenge in a future "hydrogen economy" is the development of a safe, compact, robust, and efficient means of hydrogen storage, in particular, for mobile applications. Here we report on a new concept for hydrogen storage using nanoconfined reversible chemical reactions. LiBH4 and MgH2 nanoparticles are embedded in a nanoporous carbon aerogel scaffold with pore size D-max similar to 21 nm and react during release of hydrogen and form MgB2. The hydrogen desorption kinetics is significantly improved compared to bulk conditions, and the nanoconfined system has a high degree of reversibility and stability and possibly also improved thermodynamic properties. This new scheme of nanoconfined chemistry may have a wide range of interesting applications in the future, for example, within the merging area of chemical storage of renewable energy.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology -- Nano-technology (hsv//eng)
Nyckelord
- lithium
- hydrogen storage
- nanoconfinement
- reactive hydride composite
- borohydride
- magnesium hydride
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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