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Research Highlight

Importance of small micropores in CO₂ capture by phenolic resin-based activated carbon spheres

Jaroniec research highlight

Nilantha Wickramaratne and Mietek Jaroniec*

J. Mater. Chem. A, 1 2013, 112-116.
ACS Appl. Mater. Interfaces 5 2013, 1849-1855.

Abstract:
CO₂ emission associated with anthropogenic activities plays a big role in global warming. Therefore, there is great interest in the development of new materials for CO₂ capture. Our recent studies showed that phenolic resin spheres obtained by the Stöber-type method can be converted to carbon spheres (CS) with a large fraction of fine micropores (<0.8 nm) by suitable carbonization and activation with CO₂ or KOH. The resulting activated CS exhibited large surface areas (2400-3000 m²/g) and unprecedented CO₂ adsorption capacities (~8-9 and 4.6 mmol/g at 0 and 23^oC, respectively) at 1 bar pressure.

Research Highlight Archive

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