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- W2891348602 abstract "In this study, the sponge reduced graphene oxide (rGO) is developed by using [(n-C4H9)4N]5[PW11CoO39], as a three-dimensional framework and a good precursor to the construction of porous structures. Various techniques are also used to characterize the prepared sponge [(n-C4H9)4N]5[PW11CoO39]@rGO. It is found to be a nanocomposite of choice for the preparation of electrodes for supercapacitors applications. The power of the nanocomposite toward energy storage is evaluated in both seawater and 0.5 M H2SO4 solution using galvanostatic charge and discharge and cyclic voltammetry. The nanocomposite will be found to improve significantly the specific capacitance (834.3 and 311.7 F g−1 at 0.91 A g−1) and long service life by 98.0% and 97.5% at 3.0 A g−1 in seawater and 0.5 M H2SO4 solution, respectively. Furthermore, this nanocomposite is observed to exhibit a high power density 3640.8 (W kg−1) at energy densities of 20.6 and 35.4 (Wh kg−1) in seawater and 0.5 M H2SO4 solution, respectively. Due to its sponge structure, multiplex channels are observed to appear that help the quick diffusion of the electrolyte and the reduction of ion diffusion duration. The use of rGO and polyoxometalates offers the advantages of fast electron transfer and enhanced electrochemical reaction. Overall, the sponge [(n-C4H9)4N]5 [PW11CoO39]@rGO is found to have a high capability for use toward energy storage processes." @default.
- W2891348602 created "2018-09-27" @default.
- W2891348602 creator A5005998234 @default.
- W2891348602 creator A5045619304 @default.
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- W2891348602 date "2018-11-01" @default.
- W2891348602 modified "2023-09-26" @default.
- W2891348602 title "Using (t-Bu)5[PW11CoO39] to fabricate a sponge graphene network for energy storage in seawater and acidic solutions" @default.
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- W2891348602 doi "https://doi.org/10.1016/j.electacta.2018.08.066" @default.
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