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Structural analysis...
Structural analysis of PVA-based proton conducting membranes
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- Martinelli, Anna, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Matic, Aleksandar, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jacobsson, Per, 1958 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Börjesson, Lars, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Navarra, M.A. (författare)
- Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
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- Fernicola, A (författare)
- Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
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- Panero, S (författare)
- Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
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- Scrosati, B (författare)
- Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
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(creator_code:org_t)
- Elsevier BV, 2006
- 2006
- Engelska.
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Ingår i: Solid State Ionics. - : Elsevier BV. - 0167-2738. ; 177:26-32, s. 2431-2435
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We have synthesized and characterized a new family of proton conducting membranes based on cross-linked poly(vinyl alcohol), PVA, and functionalized silica filler. Glutaraldehyde, GLA, was used as the cross-linking agent in order to improve chemical and thermal stabilities. The functionalization of the silica particles is such that terminal -SO 3 H groups are formed during membrane preparation, thus possibly providing additional mobile protons. We find that the crystallinity of the PVA-based membranes is enhanced by the presence of the functionalized silica particles, whereas it is reduced by means of cross-linking. The thermal stability of the ternary system PVA:GLA:silica is improved due to the additive contribution of GLA and silica. The conductivity of membranes swelled in a sulfuric acid solution was found to be of the order of 10 - 1 S cm - 1 . © 2006 Elsevier B.V. All rights reserved.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
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Martinelli, Anna ...
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Matic, Aleksanda ...
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Jacobsson, Per, ...
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Börjesson, Lars, ...
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Navarra, M.A.
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Fernicola, A
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visa fler...
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Panero, S
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Scrosati, B
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Annan teknik
- Artiklar i publikationen
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Solid State Ioni ...
- Av lärosätet
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Chalmers tekniska högskola