Paper Title:
Humidity Sensing Characteristics of Montmorillonite Ion Conductors
  Abstract

. In order to exploit a kind of low cost and environment-friendly humidity sensing materials, a series of Li-modified montmorillonite ion conductors were prepared using the montmorillonite form Jimusaer in Xinjiang Province of China. The montmorillonite humidity sensing elements were made by the thick film technique on mica substrates. Then the structures of the samples were investigated by X-ray diffraction (XRD) and the humidity sensing characteristics of the elements were tested by an equipment of the resistance testing. The results indicate that the resistances of the montmorillonite humidity elements all decrease with the increase of the system humidity. But there is a great discrepancy between the resistances of Na- montmorillonite humidity element when humidity adsorption and desorption. It was found that Li-modification montmorillonite ion conductors behave well as a humidity sensing material in 30~90% RH (relative humidity). The suitable experimental parameters of montmorillonite Li-modifying under ~ 80°Care obtained.

  Info
Periodical
Edited by
Jinsheng Liang and Lijuan Wang
Pages
344-349
DOI
10.4028/www.scientific.net/AMR.178.344
Citation
H. F. Liu, T. J. Peng, H. J. Sun, Q. W. Xie, "Humidity Sensing Characteristics of Montmorillonite Ion Conductors", Advanced Materials Research, Vol. 178, pp. 344-349, 2011
Online since
December 2010
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