| abstract |
An electrolytic perovskite and method for synthesizing the electrolytic perovskite are described herein. Basically, the electrolytic perovskite is a solid that has an ion conductivity greater than 10-5 S/cm in a temperature range of 0-400°C, wherein the ion is Li+, H+, Cu+, Ag+, Na+ or Mg2+. For example, Li 1/8Na3/8 La¼ Zr ¼ Nb ¾ O3 (5.26x10 4 S/cm) and Li 1/8K½ La 1/8 NbO3 (2.86x10 3 S/cm) are two electrolytic perovskites that have been synthesized in accordance with the present invention that have a high Li+ conductivity at 20°C. Both compositions have been confirmed in experiments to conduct Ag+ and H+ ions, as well. The present invention also includes a solid proton conductor that can be formed from the electrolytic perovskite by replacing the ions located therein with protons. The electrolytic perovskite and solid proton conductor can be used in a wide variety of applications or devices including, for example, a fuel cell, a membrane reactor, an amperometric hydrocarbon sensor or a steam electrolysis application. |