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- W4283276013 endingPage "116545" @default.
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- W4283276013 abstract "High-performance electrode materials are particularly important for the next-generation of supercapacitors with enhanced specific capacity and cycle stability. In this study, a simple and scalable thermal expansion method is used to convert acidic graphite oxide (AGO) into chemically expanded graphene (CEG) nanostructure, with a honeycomb morphology consisting of 2–3 graphene layers. The CEG produced by the thermal expansion of AGO under modified conditions of time and duration (CEG-2) exhibits a substantially large specific surface area of around 388 m2·g−1, in comparison to value of 6 m2·g−1 recorded on the virgin superconducting graphite powder. This provides the CEG-2 material with an excellent specific capacitance of 283.8F·g−1, recoded at 1 A·g−1. The cycle stability of CEG-2 is characterized to be highly desirable with a retention rate of around 87% after 5000 cycles. The results obtained suggest the enhanced electrochemical performance of CEG." @default.
- W4283276013 created "2022-06-23" @default.
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- W4283276013 date "2022-09-01" @default.
- W4283276013 modified "2023-10-17" @default.
- W4283276013 title "Electrochemical performance of honeycomb graphene prepared from acidic graphene oxide via a chemical expansion method" @default.
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- W4283276013 doi "https://doi.org/10.1016/j.jelechem.2022.116545" @default.
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