CATALYST 4 (IMAGE) Rice University Caption A schematic shows the experimental water electrolyzer developed at Rice University to use a nickel-doped ruthenium catalyst. Credit Zhen-Yu Wu/Rice University Usage Restrictions None 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.