Device (IMAGE) University of Wisconsin-Madison Caption The integrated solar flow battery device contains both a solar cell to convert sunlight into electricity and chemicals that can store the electricity for later use. Credit Wenjie Li Usage Restrictions Credit must be given to the creator. License CC BY 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.