Direct methanol fuel cells (IMAGE) Incheon National University Caption If successfully commercialized, direct methanol fuel cells could replace the ubiquitous lithium-ion batteries in portable electronics thanks to their higher energy density Credit Unsplash 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.