Research ArticlePHYSICAL SCIENCE

In silico discovery of metal-organic frameworks for precombustion CO2 capture using a genetic algorithm

Science Advances  14 Oct 2016:
Vol. 2, no. 10, e1600909
DOI: 10.1126/sciadv.1600909

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Abstract

Discovery of new adsorbent materials with a high CO2 working capacity could help reduce CO2 emissions from newly commissioned power plants using precombustion carbon capture. High-throughput computational screening efforts can accelerate the discovery of new adsorbents but sometimes require significant computational resources to explore the large space of possible materials. We report the in silico discovery of high-performing adsorbents for precombustion CO2 capture by applying a genetic algorithm to efficiently search a large database of metal-organic frameworks (MOFs) for top candidates. High-performing MOFs identified from the in silico search were synthesized and activated and show a high CO2 working capacity and a high CO2/H2 selectivity. One of the synthesized MOFs shows a higher CO2 working capacity than any MOF reported in the literature under the operating conditions investigated here.

Keywords
  • Pre-combustion carbon capture
  • genetic algorithm
  • high-throughput material screening
  • molecular simulation
  • materials genome

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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