Synthesis of mesoporous carbon by using polymer blend as template for the high power supercapacitor

被引：24

作者：

Chang, Kai-Wen ^{[1
]}

Lim, Zheng-Yi ^{[1
]}

Du, Fang-Yi ^{[1
]}

Yang, Yi-Lin ^{[2
]}

Chang, Chia-Hsien ^{[1
]}

Hu, Chi-Chang ^{[3
]}

Lin, Hong-Ping ^{[1
,4
]}

机构：

[1] Natl Cheng Kung Univ, Dept Chem, Tainan 701, Taiwan

[2] Natl Chung Cheng Univ, Dept Chem Engn, Chiayi 621, Taiwan

[3] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 300, Taiwan

[4] Natl Cheng Kung Univ, Ctr Nano Micro Technol, Tainan 701, Taiwan

来源：

关键词：

Mesoporous carbon; Polymer blend; Supercapacitor; Gelatin; ELECTRODES; RESIN;

D O I：

10.1016/j.diamond.2008.10.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The mesoporous carbon hollow spheres with high surface area, mesoporous shell (pore size >7.0 nm) and macroporous interior (>50.0 nm) have been easily prepared by using gelatin-phenol formaldehyde polymer blend as organic template. Because of short diffusion pathways, the existence of the ion-buffering reservoirs, and the absence of microspores, the mesoporous carbon hollow spheres demonstrate a large specific capacitance of about 132 Fg(-1) at scan rate of 25 mVs(-1), and superior retention (approximate to 90%) in capacitance even at high scan rate to 1000 mVs(-1) In addition, the cyclic voltammetry (CV) profiles of the resulted carbons retain symmetrically rectangular shape at all voltage sweep rate between 25 and 1000 mVs(-1). (c) 2008 Published by Elsevier B.V.

引用

页码：448 / 451

页数：4

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