Pathways to metal-air batteries (IMAGE) Tsinghua University Press Caption In a review of the current state of structurally diverse metal-organic frameworks and covalent organic frameworks with unique electrical properties, researchers have found they offer “great potential” for facilitating the necessary reactions for metal-air batteries. Credit Nano Research Energy, Tsinghua University Press Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original 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.