Computational Screening of Mixed Metal Halide Ammines

Peter Bjerre Jensen, Steen Lysgaard, Ulrich Quaade, Tejs Vegge

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Abstract

Metal halide ammines, e.g. Mg(NH3)6Cl2 and Sr(NH3)8Cl2, can reversibly store ammonia, with high volumetric hydrogen storage capacities. In this project we are searching for improved mixed materials with optimal desorption temperature and kinetics. We apply DFT calculations on mixed compounds selected by a Genetic Algorithm (GA), relying on biological principles of natural selection. The GA is evolving from an initial (random) population and selecting those with highest fitness, e.g. stability, release temperature and storage capacity. The search space includes all alkaline, alkaline earth, 3d and 4d metals and the four lightest halides, giving in total almost two million combinations.
Original languageEnglish
Publication date2012
Publication statusPublished - 2012
Event1st European Early Stage Researchers’ Conference on Hydrogen Storage - Belgrade, Serbia
Duration: 3 Dec 20125 Dec 2012

Conference

Conference1st European Early Stage Researchers’ Conference on Hydrogen Storage
CountrySerbia
CityBelgrade
Period03/12/201205/12/2012

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