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- W2620883922 abstract "Abstract Activated carbon / graphene hybrid aerogels (AC/rGO) with high surface area and 3D structure were prepared with a simple hydrothermal treatment of a mixture of AC and graphene oxide (GO) aqueous solution. The AC/rGO aerogels with high surface area of 2400 m 2 g −1 exhibit good electrochemical performances as an electrode material for supercapacitors in both aqueous and non‐aqueous electrolytes. In 6 M KOH aqueous electrolyte, a satisfying specific capacitance of 294 F g −1 at 0.05 A g −1 and an excellent rate capability retention of 70.4% at 20 A g −1 can be obtained for the AC/rGO electrode, indicating the rGO can dramatically improve the rate performance with negligible sacrifice of the specific capacitance. Furthermore, due to the high electrode density (0.58 g cm −3 ), the volumetric capacitance of AC/rGO electrode reaches up to 170.5 F cm −3 at 0.05 A g −1 . In 1 M TEABF 4 /PC non‐aqueous electrolyte, the AC/rGO electrode presents capacitances of 144 F g −1 and 96 F g −1 at 0.05 A g −1 and 20 A g −1 , respectively. The superior performance of the AC/rGO aerogels can be attributed to the synergy between the AC with high surface area and the rGO aerogel with 3D conductive structure, which makes the AC/rGO aerogel a promising electrode material for high performance supercapacitors." @default.
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- W2620883922 date "2017-05-31" @default.
- W2620883922 modified "2023-10-16" @default.
- W2620883922 title "Activated Carbon / Graphene Hybrid Aerogels as Electrode Materials for High Performance Supercapacitors" @default.
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- W2620883922 doi "https://doi.org/10.1002/slct.201700984" @default.
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