Supercapacitive Performance of Mesoporous Carbon Materials Co-Templated by F127 and PDMS-PEO

Yu Rong Liu

doi:10.4028/www.scientific.net/AMR.1096.325

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1096Supercapacitive Performance of Mesoporous Carbon...

Supercapacitive Performance of Mesoporous Carbon Materials Co-Templated by F127 and PDMS-PEO

Abstract:

Ordered mesoporous carbons are synthesized by using the triblock copolymer F127 (EO₁₀₆-PO₇₀-EO₁₀₆) and diblock copolymer PDMS-PEO (DMS₃₂-EO₂₀) as co-templates. KOH is utilized to improve the surface area and tailor the pore texture of the ordered mesoporous carbon. KOH activation significantly increases the surface area of mesoporous carbon due to the generation of micropores in mesopore walls. The obtained activated mesoporous carbons have high surface area (1592 m² g^-1) and large pore volume (0.79 cm³ g^-1). The activated carbons also exhibit improved electrochemical behavior with a specific capacitance of 218.9 F g^-1 at the current density of 1 A g^-1, excellent rate performance and good cycling stability, revealing a promising application in supercapacitors.

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Advanced Materials Research (Volume 1096)

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325-330

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1096.325

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Online since:

April 2015

Authors:

Yu Rong Liu*

Keywords:

KOH Activation, Mesoporous Carbon, PDMS-PEO, Super-Capacitor (SC)

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