Proposed System (IMAGE) National Institute for Materials Science, Japan Caption System capable of adjusting the amount of battery charge/discharge and the amount of electrolysis hydrogen production in relation to the amount of solar power generated. Comprehensive analysis of various factors, including rechargeable battery and electrolyzer capacities, enables the estimation of technology levels required for low-cost hydrogen production. Credit NIMS Usage Restrictions None 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.