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- W3137102729 endingPage "229741" @default.
- W3137102729 startingPage "229741" @default.
- W3137102729 abstract "Mesoporous carbon nitrides (MCNs) are considered as one of the most fascinating materials for a variety of applications because of their low cost, high specific surface area, abundant functionalities, and ordered porous structures. However, pristine MCNs suffer from a poor electrical conductivity, thus an inferior supercapacitive performance. Herein, we synthesized MCN via a nano hard-templating approach (using SBA-15 template) and then composited it with the graphene aerogel (GA). The highly conductive metal-free MCN-GA nanocomposite, in which MCN is firmly grafted onto GA via covalent bonding, exhibits a hierarchical porous structure, and demonstrates an exceptional supercapacitive performance among the different materials of the carbon family. The structure-/composition-tailored MCN-GA nanocomposite electrode possesses a specific capacitance of ~240 F g−1 at 5 mV s−1 in a 1.0 M H2SO4 electrolyte, which is significantly higher than that of the pristine MCN (142 F g−1) and GA (174 F g−1) electrodes. The symmetric MCN-GA||MCN-GA supercapacitor exhibits an excellent long-term stability with an impressive capacitance retention of >94% after 10,000 charge-discharge cycles, as well as a high specific energy (11.6 W h kg−1) and an outstanding specific power (8.0 kW kg−1). These results indicate the potential of the MCN-GA nanocomposite for future energy storage applications as well as the other related technologies." @default.
- W3137102729 created "2021-03-29" @default.
- W3137102729 creator A5000754874 @default.
- W3137102729 creator A5023644242 @default.
- W3137102729 creator A5025641679 @default.
- W3137102729 creator A5026165303 @default.
- W3137102729 creator A5054489679 @default.
- W3137102729 creator A5084644769 @default.
- W3137102729 date "2021-05-01" @default.
- W3137102729 modified "2023-10-10" @default.
- W3137102729 title "The ordered mesoporous carbon nitride-graphene aerogel nanocomposite for high-performance supercapacitors" @default.
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