具有高效电化学储能的中空网状笼还原氧化石墨烯
收稿日期: 2016-01-12
修回日期: 2016-05-30
网络出版日期: 2016-05-31
基金资助
This work was supported by National Natural Science Foundation of China (No. 51173212), National Basic Research Program of China (No. 2015CB932304), Natural Science Foundation of Guangdong Province (Nos. S2013020012833 and 2016A010104004), and Fundamental Research Fund for the Central Universities (No. 16lgjc67).
Reduced Graphene Oxide (RGO) Hollow Network Cages for High-Performance Electrochemical Energy Storage
Received date: 2016-01-12
Revised date: 2016-05-30
Online published: 2016-05-31
Supported by
This work was supported by National Natural Science Foundation of China (No. 51173212), National Basic Research Program of China (No. 2015CB932304), Natural Science Foundation of Guangdong Province (Nos. S2013020012833 and 2016A010104004), and Fundamental Research Fund for the Central Universities (No. 16lgjc67).
张 翅 , 何序骏 , 李高仁 . 具有高效电化学储能的中空网状笼还原氧化石墨烯[J]. 电化学, 2016 , 22(3) : 278 -287 . DOI: 10.13208/j.electrochem.151245
The reduced graphese oxide (RGO) hollow network cages were synthesized via zinc oxide (ZnO) template-assisted electrodeposition. The as-prepared RGO hollow network cages exhibited the multi-level architectures, from nano sheets, porous structures, networks, to 3D microscaled hollow cages, which can simultaneously optimize transport of electroactive species, utilization rate of electrode material, and super capacitive performance. Electrochemical measurements confirmed the superior performance of RGO hollow network cages for supercapacitors (SCs), such as high Csp (393 F•g-1 at 1.0 A•g-11), excellent rate capability (21.2% Csp loss from 1.0 to 20 A•g-1), and superior cycling stability (< 1% Csp loss after 10000 cycles).
Key words： reduced graphene oxide; porous structure; nanotube; supercapacitor
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