Pressure‐induced increase of ionic conduction of water‐treated NaA zeolite | Zendy

Secco Richard A. | Zendy; Goryainov Sergei V. | Zendy; Huang Yining | Zendy

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Pressure‐induced increase of ionic conduction of water‐treated NaA zeolite

Author(s) -

Secco Richard A.,

Goryainov Sergei V.,

Huang Yining

Publication year - 2005

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200510033

Subject(s) - zeolite , conductivity , dielectric spectroscopy , ionic conductivity , chemistry , ion , ionic bonding , analytical chemistry (journal) , inorganic chemistry , materials science , chromatography , electrochemistry , organic chemistry , electrode , electrolyte , catalysis

Dehydrated, hydrated and superhydrated NaA zeolites have been studied by impedance spectroscopy with scanning frequency from 1 Hz to 1 MHz at high pressure up to 4.5 GPa. A considerable anomalous increase in electrical conductivity in the range of 0.5–1.1 GPa was observed in superhydrated NaA zeolite containing additional water in the channels. A very high mobility of ions in superhydrated zeolite may be associated with the liquid‐like state of the water‐cation stuffing of zeolite channels. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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