Facile synthesis of hierarchical porous carbon derived from carboxyl graphene oxide/phenolic foam for high performance supercapacitors
作者： Xiaozheng Li , Xi Li , Jian Zhou , Yulin Dong , Zhizhong Xie
DOI: 10.1039/C7RA08602D
关键词:
摘要: Hierarchical porous carbon materials were prepared using a facile and low-cost method from phenolic resin carboxyl graphene oxide by foaming carbonization. Structural characterization revealed that the consisted of macropores, mesopores micropores process, decomposition ester groups carbonization polymer, respectively. Due to advantages rational-distribution structures excellent electrical conductivity, best specific capacitance could reach up 272.6 F g−1 at current density 0.1 A exhibited an cycle life with 92.31% retained after 10 000 cycles in KOH electrolyte. The symmetric supercapacitor based on material also high energy (15.20 W h kg−1) power (10.11 kW kg−1), indicating promising electrode for real storage supercapacitors.
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