LiH Mediates Low-temperature Ammonia Synthesis (IMAGE) Chinese Academy of Sciences Headquarters Caption Mechanistic proposal for the relayed two-active center catalysis of the TM-LiH system (a) and the catalytic performances of 3d TM-LiH composite catalysts (b and c). Credit Guo Jianping, Chen Ping 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.