Ordered mesoporous carbons obtained from low-value coal tar products for electrochemical energy storage and water remediation
Ordered mesoporous carbons (OMCs) obtained by the hard-templating method are usually prepared using complicated infiltration procedures and/or relatively high-priced carbon precursors. In this work, OMCs were obtained using creosote, a modestly priced substance obtained from the distillation of coal...
| Authors: | , , , , , , |
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| Format: | article |
| Status: | Versión aceptada para publicación |
| Publication Date: | 2019 |
| Country: | España |
| Institution: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repository: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/187519 |
| Online Access: | http://hdl.handle.net/10261/187519 |
| Access Level: | Open access |
| Keyword: | Ordered mesoporous carbons Hard template Coal-tar products Electrochemical energy storage Dye Removal |
| Summary: | Ordered mesoporous carbons (OMCs) obtained by the hard-templating method are usually prepared using complicated infiltration procedures and/or relatively high-priced carbon precursors. In this work, OMCs were obtained using creosote, a modestly priced substance obtained from the distillation of coal tar, as a carbon precursor and an ordered mesoporous silica (SBA-15) as the template. The porous network of the template was infiltrated using a simple, one-step method in acidic medium at a moderate temperature, making it potentially scalable for mass production. Optimization of the synthesis conditions led to OMCs with a very well ordered porosity with a very narrow pore size distribution in the mesopore region, together with a high surface area. This material was tested as an electrode for electrochemical energy storage devices and as an adsorbent for pollutant removal. Owing to its well-developed hierarchical pore network, the present OMC showed a good performance as a supercapacitor electrode in aqueous electrolyte and high rate of methylene blue dye adsorption. |
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