Stable benzimidazole-incorporated porous polymer network for carbon capture with high efficiency and low cost

Muwei Zhang, Zachary Perry, Jinhee Park, Hong Cai Zhou

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Porous Polymer Networks (PPNs) are an emerging category of advanced porous materials that are of interest for carbon dioxide capture due to their great stabilities and convenient functionalization processes. In this work, an intrinsically-functionalized porous network, PPN-101, was prepared from commercially accessible materials via an easy two-step synthesis. It has a BET surface area of 1095 m2/g. Due to the presence of the benzimidazole units in the framework, its CO2 uptake at 273 K reaches 115 cm 3/g and its calculated CO2/N2 selectivity is 199, which indicates its potential for CO2/N2 separation. The great stability, large CO2/N2 selectivity and low production cost make PPN-101 a promising material for industrial separation of CO2 from flue gas. Its H2 and CH4 uptake properties were also investigated.

Original languageEnglish
Pages (from-to)335-339
Number of pages5
JournalPolymer
Volume55
Issue number1
DOIs
StatePublished - 14 Jan 2014

Bibliographical note

Funding Information:
This work was supported as a part of the Center for Gas Separations Relevant to Clean Energy Technologies, an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE) , Office of Science , Office of Basic Energy Sciences under Award Number DE-SC0001015. The authors also acknowledge DOE grants DE-FC36-07GO17033 and DE-AR0000249 . We are grateful to Mr. Mathieu Bosch for helpful discussion, Ms. Ying-Pin Chen and Prof. Dr. Daqiang Yuan (Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences) for simulation work of the PPN structure, and Mr. Wolfgang M. Verdegaal (SunFire, Germany) for calculating the IAST selectivity of CO 2 /N 2 of PPN-101.

Keywords

  • Carbon dioxide capture
  • Polybenzimidazole
  • Porous polymer networks

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