Porous Carbon

Porous carbon materials, especially those containing nanopores, micropores or mespores, are being used in various applications such as super capacitors, specific adsorbents and catalyst supports. More recently a kind of glassy carbon has been used as a preform for the reaction forming of structural ceramics. Several structures prepared by different method are shown in Fig. 11.21 (Wang et al. 2003).

Fig. 11.21: Morphological changes of the porous carbon materials prepared with different glycols (a) PC-EG; (b, d and e) PC-DEG, PC-DPG and PC-TEAG, respectively; (c) TEG

Fig. 11.20: TEM views of two opposite helical fibers

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