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- W2019955779 abstract "We present grafting of polycarboxyphenyl polymer on the surface of multiwalled carbon nanotube (MWCNT) via a free radical polymerization and subsequent anchoring of the metal oxide nanoparticles for the evaluation of their potential applicability to supercapacitor electrodes. Here, metal oxide nanoparticles, Fe 3 O 4 and Sm 2 O 3 , were created after the oxidation of metal precursors Sm(NO 3 ) 3 and FeCl 2 , respectively, and attached on the surface of polycarboxyphenyl-grafted MWCNT (P-CNT) in aqueous medium. This approach shows a potential for enhancing the dispersion of Fe 3 O 4 and Sm 2 O 3 nanoparticles on the wall of P-CNT. The structure and morphological characteristics of the purified MWCNT, P-CNT, and metal oxide-anchored polycarboxyphenyl-grafted MWCNT (MP-CNT) nanocomposites were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). The electrochemical performance of the purified MWCNT electrode, P-CNT electrode, and MP-CNT electrodes was tested by cyclic voltammetry (CV) and galvanostatic charge discharge in a 1.0 M H 2 SO 4 aqueous electrolyte. The results showed that the specific capacitance of the purified MWCNT was 45.3 F/g at the scan rate of 5 mV/s and increased to 54.1 F/g after the modification with polycarboxyphenyl polymer. Further modification of P-CNT with Sm 2 O 3 and Fe 3 O 4 improved the specific capacitance of 65.84 F/g and 173.38 F/g, respectively, at the same scan rate." @default.
- W2019955779 created "2016-06-24" @default.
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- W2019955779 date "2015-01-01" @default.
- W2019955779 modified "2023-10-15" @default.
- W2019955779 title "Synthesis of Metal Oxide Decorated Polycarboxyphenyl Polymer-Grafted Multiwalled Carbon Nanotube Composites by a Chemical Grafting Approach for Supercapacitor Application" @default.
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- W2019955779 doi "https://doi.org/10.1155/2015/535319" @default.
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