Scanning electron micrograph of NiOOH-Ni (IMAGE) Hokkaido University Caption Scanning electron micrograph of the catalyst, NiOOH-Ni, developed in this study. (Hanwen Liu, et al. Advanced Energy Materials. August 7, 2024) Credit Hanwen Liu, et al. Advanced Energy Materials. August 7, 2024 Usage Restrictions This image is copyrighted and may be used to report on this press release as long as the copyright holders are credited. 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.