Tailoring the textural properties of hierarchical porous carbons for supercapacitors
Tailoring the textural properties of hierarchical porous carbons for supercapacitors
复制标题
定制超级电容器分级多孔碳的结构特性
DOI:
10.1016/j.matlet.2015.07.020
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发表时间:
2015-11
影响因子:
3
通讯作者:
Duan, Yuling
中科院分区:
文献类型:
--
作者:
Zhang, Chuanxiang;Huang, Guangxu;Xing, Baolin;Duan, Yuling
Hierarchical porous carbons (HPCs) are prepared from humic acid by a simple KOH activation. HPCs show unique pore size distribution: abundant micropores with the size of 1–2 nm, mesopores with the size of 3–5 nm. Of special interest is the fact that the mesopore content with the size of 3–5 nm can be fine-tuned easily. HPCs show high performance for supercapacitors possessing of the optimized capacitance of 189 F g−1in 3 M KOH with high capacitive retention. Furthermore, HPCs also exhibit a superior cycling stability, which can be attributed to the unique pore size distribution.
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