Rechargeable Zinc-Air Battery (IMAGE) Stanford University Caption This is a rechargeable zinc-oxide battery in a tri-electrode configuration with cobalt-oxide/carbon nanotube and iron-nickel/layered double hydroxide catalysts for charge and discharge, respectively. Credit Yanguang Li, Stanford University Usage Restrictions Graphics, photographs and videos provided by the Precourt Institute for Energy at Stanford University are to be used - with appropriate credit - for editorial purposes only. Flopping, altering, editing or otherwise embellishing these images and audio clips in any way that changes the editorial content of these images and audio clips is prohibited. Permission is for one-time use only. Supplied image file must be deleted after use. 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.