Studies on CXN natural zeolite IV. Research on the humidity-sensitive property of the novel LiCl/H STI guest/host material

The humidity - sensitive property of LiCl/H - STI solid electrolyte, which was prepared with assembling a guest of LiCl by a thermal dispersion method on a host of H - form CXN zeolite (STI type), was investigated by the meth od of AC - impedance. The sample of LiCl/H - STI with threshold loading (0. 14 g/g) possesses the optimum humidity sensitive performance, including 4 o rders of magnitude changes of the electrical conductivity in whole range of the relative humidity, stable sensitivity as well as satisfactory reversib ility, exhibiting the desired acute response to the environment moisture. T he fact implies that a novel humidity sensor based on this assembly materia l will be very promising in its field.