Double Perovskite Nanofiber Catalyst (IMAGE) Georgia Institute of Technology Caption This is a 20 nanometer double perovskite nanofiber that can be used as a highly efficient catalyst in ultrafast oxygen evolution reactions -- one of the underlying electrochemical processes in hydrogen-based energy and the newer metal-air batteries. Credit Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.