Reversible Nitrogen Cycle Battery (IMAGE) Cell Press Caption This is an artistic illustration of Zhang and colleagues' proof-of-concept experiment, which successfully implements a reversible nitrogen cycle based on rechargeable Li-N2 batteries with promising electrochemical faradic efficiency. Credit Zhang et. al. Usage Restrictions Credit required 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.