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Attempts to design porous carbon monoliths using porous concrete as a template

Taubert, Michael / Beckmann, Jens / Lange, Andreas / Enke, Dirk / Klepel, Olaf

The preparation of carbon monoliths with defined shape and hierarchical pore system has been investigated. A template assisted route was applied using porous concrete as the template. The synthesis route was combined with a one pot chemical activation using phosphoric acid and zinc chloride, respectively, as the activating agents. As the template caused the formation of primary macropores the activation created a secondary system of micropores which resulted in a significant increase of the specific surface area up to about 1400 m² g⁻¹. The material was characterized by means of mercury intrusion, helium pycnometry, and nitrogen adsorption at 77 K.

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Attempts to design porous carbon monoliths using porous concrete as a template

Taubert, Michael / Beckmann, Jens / Lange, Andreas / Enke, Dirk / Klepel, Olaf

The preparation of carbon monoliths with defined shape and hierarchical pore system has been investigated. A template assisted route was applied using porous concrete as the template. The synthesis route was combined with a one pot chemical activation using phosphoric acid and zinc chloride, respectively, as the activating agents. As the template caused the formation of primary macropores the activation created a secondary system of micropores which resulted in a significant increase of the specific surface area up to about 1400 m² g⁻¹. The material was characterized by means of mercury intrusion, helium pycnometry, and nitrogen adsorption at 77 K.

Attempts to design porous carbon monoliths using porous concrete as a template

Taubert, Michael / Beckmann, Jens / Lange, Andreas / Enke, Dirk / Klepel, Olaf

The preparation of carbon monoliths with defined shape and hierarchical pore system has been investigated. A template assisted route was applied using porous concrete as the template. The synthesis route was combined with a one pot chemical activation using phosphoric acid and zinc chloride, respectively, as the activating agents. As the template caused the formation of primary macropores the activation created a secondary system of micropores which resulted in a significant increase of the specific surface area up to about 1400 m² g⁻¹. The material was characterized by means of mercury intrusion, helium pycnometry, and nitrogen adsorption at 77 K.

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Title:

Attempts to design porous carbon monoliths using porous concrete as a template

Contributors:

Taubert, Michael (author) / Beckmann, Jens (author) / Lange, Andreas (author) / Enke, Dirk (author) / Klepel, Olaf (author)

Published in:

Microporous and Mesoporous Materials ; 197 ; 58-62

Publication date:

2014

Size:

5 Seiten, 21 Quellen

ISSN:

DOI:

https://doi.org/10.1016/j.micromeso.2014.06.005

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Kohlenstoff , Porenbeton , Phosphorsäure , Zinkchlorid , Quecksilber , Helium , Stickstoff , chemische Aktivierung , Monolith , Wirkstoff , spezifische Oberfläche , Makropore , Mikropore , Synthese

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