Colloidal Crystal-Templated Porous Carbon as a High Performance Electrical Double-Layer Capacitor Material
- 1 January 2004
- journal article
- Published by The Electrochemical Society in Electrochemical and Solid-State Letters
- Vol. 7 (8) , A221-A223
- https://doi.org/10.1149/1.1756491
Abstract
Bimodal porous carbons with both micropores and meso- or macropores were selectively synthesized by an colloidal crystal-templating process. The opal templates exclusively contributed to the formation of meso- and macropores in carbons. The electrical double-layer capacitance per surface area of the templated porous carbons was much larger than those of commercially available activated carbons with high surface areas. The surface of meso- and macropores generated in the porous carbons shows a highly efficient electrical double-layer capacitive property; the specific capacitance per surface area originating from meso- and/or macropores was estimated to be © 2004 The Electrochemical Society. All rights reserved.Keywords
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