Zirconium Oxycarbide: A Highly Stable Catalyst Material for Electrochemical Energy Conversion.

ABSTRACT: Metal carbides and oxycarbides have recently gained considerable interest due to their (electro)catalytic properties that differ from those of transition metals and that have potential to outperform them as well. The stability of zirconium oxycarbide nanopowders (ZrO_0.31 C_0.69 ), synthesized via a hybrid solid-liquid route, is investigated in different gas atmospheres from room temperature to 800 °C by using in-situ X-ray diffraction and in-situ electrical impedance spectroscopy. To feature the properties of a structurally stable Zr oxycarbide with high oxygen content, a stoichiometry of ZrO_0.31 C_0.69 has been selected. ZrO_0.31 C_0.69 is stable in reducing gases with only minor amounts of tetragonal ZrO₂ being form

SUBMITTER: Shakibi Nia N 

PROVIDER: S-EPMC6900196 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature