| abstract |
A fibrous ceramic material made of a perovskite material and its use are provided. A fibrous ceramic material made of a crystalline perovskite material containing two or more kinds of 3d transition metals of Fe, Mn, Co, Ni, alkaline earth metals of Ca, Ba, Sr and rare earth metals. Sex perovskites are LaxSr 1-x (Co, Ni) y Fe 1-y O 3 (x, y = 0.1-0.5), Ba x Sr 1-x Co y Fe 1-y O 3 (x , y = 0.1-0.5), or La x Sr 1-x Ce y Mn 1-y O 3 (x, polycrystalline comprising a compound of the composition of y = 0.1-0.5) Or a monocrystalline fibrous ceramic, a conductive member made of the above-mentioned fibrous ceramic material, and a fuel cell or electrochemical cell electrode, a functional filter, or an electrochemical capacitor or a ceramic part for an energy / environment device Wood. The above materials are useful as electrodes for fuel cells. [Selection] Figure 1 |