Carbon nanotube modified carbon composite monoliths as superior adsorbents for carbon dioxide capture

Yonggang Jin, Stephen Hawkins, C.P. Huynh, S. Su

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Carbon composite monoliths were prepared from a commercial phenolic resin mixed with just 1 wt% of carbon nanotubes (CNTs) followed by carbonization and physical activation with CO. The products possess a hierarchical macroporous-microporous structure and superior CO adsorption properties. In particular, they show the top-ranked CO capacity (52 mg CO per g adsorbent at 25 °C and 114 mmHg) under low CO partial pressures, which is of more relevance for flue gas applications. This matches or exceeds those of carbons produced by complex chemical activation and functionalization. Our study demonstrates an effective way to create narrow micropores through structural modification of carbon composites by CNTs.
Original languageEnglish
Pages (from-to)2591-2596
Number of pages6
JournalEnergy and Environmental Science
Volume6
Issue number9
Early online date01 Mar 2013
DOIs
Publication statusPublished - 01 Sep 2013

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