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Our previous studies showed that NH<jats:sub>3<\/jats:sub> can be synthesized at low temperatures via a CLAS mediated by an alkali or alkaline earth metal hydride\u2010imide couple with the aid of transition metal catalysts. Herein, we demonstrate that a group\u2010IIB metal Zn, which has rarely been studied in the thermal\u2010catalytic process, can significantly promote the performance of the lithium hydride\u2010lithium imide (LiH\u2212Li<jats:sub>2<\/jats:sub>NH)\u2010mediated CLAS process (denoted as Zn\u2212LiH\u2212Li<jats:sub>2<\/jats:sub>NH). The addition of Zn dramatically changes the reaction pathway of the LiH\u2212Li<jats:sub>2<\/jats:sub>NH mediated loop by forming a series of intermediates including Li<jats:sub>2<\/jats:sub>NH, lithium zinc intermetallic compounds (LiZn<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub>), and a ternary metal nitride (LiZnN). LiZnN together with Li<jats:sub>2<\/jats:sub>NH functions as nitrogen carrier in the Zn\u2212LiH\u2212Li<jats:sub>2<\/jats:sub>NH\u2010mediated CLAS. Because of these properties, the kinetics of N<jats:sub>2<\/jats:sub> fixation is significantly enhanced with a reduction in apparent activation energy from 102\u2005kJ\u2009mol<jats:sup>\u22121<\/jats:sup> to 50\u2005kJ\u2009mol<jats:sup>\u22121<\/jats:sup>. The ammonia production rate reaches 956\u2005\u03bcmol\u2009g<jats:sup>\u22121<\/jats:sup>\u2009h<jats:sup>\u22121<\/jats:sup> at 350\u2009\u00b0C, which is 19\u2005times higher than that of the neat LiH\u2212Li<jats:sub>2<\/jats:sub>NH\u2010mediated CLAS.<\/jats:p>","DOI":"10.1002\/cssc.202300813","type":"journal-article","created":{"date-parts":[[2023,7,18]],"date-time":"2023-07-18T03:36:13Z","timestamp":1689651373000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Zn Promotes Chemical Looping Ammonia Synthesis Mediated by LiH\u2212Li<sub>2<\/sub>NH Couple"],"prefix":"10.1002","volume":"16","author":[{"given":"Runze","family":"Wang","sequence":"first","affiliation":[{"name":"Dalian Institute of Chemical Physics Chinese Academy of Sciences  Dalian 116023 P. R. China"},{"name":"Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences  Beijing 100049 P. R. 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