IMAGE (IMAGE) Higher Education Press Caption Schematic diagram of the reference compressed air energy storage system. Credit Yanghai Li , Wanbing Xu , Ming Zhang , Chunlin Zhang , Tao Yang , Hongyu Ding , Lei Zhang 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.