ELECTRONIC CONDUCTING CERAMICS POWDER, CUBIC TITANIUM OXIDE PYROCHLORE SINTERED COMPACT FORMED THEREFROM, AND ELECTROLYTIC CELL FOR PRODUCING SULFUR CYCLE HYBRID HYDROGEN UTILIZING THEM

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive electrode material having high corrosion resistance, high conductivity and high catalytic activation capacity, and suitable for producing sulfur cycle hybrid hydrogen.;SOLUTION: In cubic titanium oxide pyrochlore comprising a rare earth element(s) RE on an A site, the element(s) RE on the A site is a multiple oxide RE_2-xTi₂O_7-δ composed of one or more selected from the respective elements of Lu, Yb, Tm, Er, Ho, Y, Sc, Dy, Tb, Gd, Eu, Sm and Ce, the non-stoichiometric quantity x of the element(s) RE on the A site lies within the range of 0x0.5 in accordance with the element(s) RE on the A site, and also, the element(s) RE on the A site has been subjected to reduction treatment.;COPYRIGHT: (C)2006,JPO&NCIPI