Solid State Ionics, volume 306, pages 13-19
Acid-base chemistry and proton conductivity of CsHSO4, CsH2PO4 and their mixtures with N-heterocycles
Publication type: Journal Article
Publication date: 2017-08-01
General Chemistry
Condensed Matter Physics
General Materials Science
Abstract
Caesium hydrogen sulfate (CsHSO 4 ) and caesium dihydrogen phosphate (CsH 2 PO 4 ) are solid acids that undergo superprotonic phase-transitions at about 140 and 230 °C, respectively. As a result, the proton conductivity is increased by several orders of magnitude. However, the practical operational temperature range is narrow due to decomposition of the high-conductivity phases. For CsHSO 4 , it is known that this window can be extended to lower temperatures by addition of carefully selected N -heterocycles. The present work investigates if the same approach can be used to extend the practical operating temperature range of CsH 2 PO 4 as well. Binary mixtures of CsH 2 PO 4 with 1,2,4-triazole, benzimidazole or imidazole were prepared by means of mechanochemical synthesis. Mixtures based on CsHSO 4 were prepared as a basis for a comparative discussion. It was found that CsHSO 4 formed organic-inorganic salts, while CsH 2 PO 4 formed heterogeneous mixtures with the N -heterocycles due to its weaker acidity. At a N -heterocycle content of 30 mol%, enhanced proton conductivity was observed for both solid acids at temperatures below their superprotonic phase transitions.
Top-30
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1 publication, 3.85%
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1 publication, 3.85%
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1 publication, 3.85%
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1 publication, 3.85%
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Citations by publishers
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9
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Elsevier
9 publications, 34.62%
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American Chemical Society (ACS)
5 publications, 19.23%
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Springer Nature
4 publications, 15.38%
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 7.69%
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IOP Publishing
1 publication, 3.85%
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Wiley
1 publication, 3.85%
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Royal Society of Chemistry (RSC)
1 publication, 3.85%
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Pleiades Publishing
1 publication, 3.85%
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Taylor & Francis
1 publication, 3.85%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 3.85%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Aili D. et al. Acid-base chemistry and proton conductivity of CsHSO4, CsH2PO4 and their mixtures with N-heterocycles // Solid State Ionics. 2017. Vol. 306. pp. 13-19.
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Aili D., Gao Y., Han J., Li Q. Acid-base chemistry and proton conductivity of CsHSO4, CsH2PO4 and their mixtures with N-heterocycles // Solid State Ionics. 2017. Vol. 306. pp. 13-19.
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TY - JOUR
DO - 10.1016/j.ssi.2017.03.012
UR - https://doi.org/10.1016/j.ssi.2017.03.012
TI - Acid-base chemistry and proton conductivity of CsHSO4, CsH2PO4 and their mixtures with N-heterocycles
T2 - Solid State Ionics
AU - Aili, David
AU - Gao, Ying
AU - Han, Junyoung
AU - Li, Qingfeng
PY - 2017
DA - 2017/08/01 00:00:00
PB - Elsevier
SP - 13-19
VL - 306
SN - 0167-2738
ER -
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@article{2017_Aili,
author = {David Aili and Ying Gao and Junyoung Han and Qingfeng Li},
title = {Acid-base chemistry and proton conductivity of CsHSO4, CsH2PO4 and their mixtures with N-heterocycles},
journal = {Solid State Ionics},
year = {2017},
volume = {306},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.ssi.2017.03.012},
pages = {13--19},
doi = {10.1016/j.ssi.2017.03.012}
}