Fallen-leaf-derived microporous pyropolymers for supercapacitors

被引：30

作者：

An, Hong Joo ^{[1
]}

Kim, Na Rae ^{[1
]}

Song, Min Yeong ^{[1
]}

Yun, Young Soo ^{[2
]}

Jin, Hyoung-Joon ^{[1
]}

机构：

[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea

[2] Kangwon Natl Univ, Dept Chem Engn, Samcheok 245711, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2017年 / 45卷

基金：

新加坡国家研究基金会;

关键词：

Biomass; Porous carbon; Electrode; Pyropolymer; Supercapacitor; ACTIVATED CARBON; ELECTROCHEMICAL CAPACITORS; ELECTRODE MATERIAL; ENERGY DENSITY; POROUS CARBONS; PERFORMANCE; GRAPHENE; LEAVES; MONOLITH; BIOMASS;

D O I：

10.1016/j.jiec.2016.09.026

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, microporous pyropolymers (GL-AMPs), a carbon-based material, were fabricated from ginkgo leaves by simple pyrolysis with KOH, followed by acid treatment. The GL-AMPS were mainly composed of aromatic hexagonal carbon layers, which were not well stacked, and contained many redox-active heteroatoms such as oxygen and nitrogen. In addition, the GL-AMPS had a high specific surface area of similar to 1348.4 m(2)g(-1) with numerous ultramicropores (<0.7 nm). These unique material characteristics led to a significantly high specific capacitance of similar to 731 Fg(-1), high rate capabilities, and stable cycling performance over 1000 cycles in a redox-mediated aqueous electrolyte. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：223 / 228

页数：6

共 27 条

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