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Graphene oxide/low ammonia NRL nanocomposite-based electrode in various electrolyte concentrations: electrical properties and capacitive behavior for supercapacitor

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Abstract

Here, we report a fast fabrication process of nanocomposites with better electrical properties by intermixing graphene oxide (GO) and low ammonia natural rubber latex (NRL) polymer via the one-step method (~ × 10–5 to × 10–7 S cm−1). In comparison, the nanocomposite synthesized by the two-step method demonstrated lower electrical properties which were calculated to be × 10–7 S cm−1. Obviously, the increase in the electrolyte concentrations from 0.01 to 0.1 M SDS did not influenced the electrical conductivity which means the fabrication process also played a role in a successful dispersion of GO in NRL polymer. The electrical testing was carried out by four-point probe instrument and cyclic voltammograms in the range of 0–1 V were measured at various scan rates for all samples using a computerized potentiostat–galvanostat equipped with Gamry software (Gamry potentiostat series-G750, USA). Among all nanocomposite samples, 0.01 M SDS-GO/NRL nanocomposite synthesized via one-step method successfully showed higher capacitance performance which found to be 107 F g−1.

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Acknowledgements

This work is funded by Short Term Grant, Universiti Sains Malaysia (Grant code: 304/PFIZIK/6315241), Tabung Persidangan Luar Negara, Universiti Sains Malaysia (Grant code: 302/JPNP/312001). Author also wants to thank Universiti Pendidikan Sultan Idris (UPSI), Tg Malim, Perak, Institute of Nagoya, Japan and School of Physics, Universiti Sains Malaysia for their support.

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Correspondence to M. D. Nurhafizah.

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Nurhafizah, M.D., Sabar, I., Suriani, A.B. et al. Graphene oxide/low ammonia NRL nanocomposite-based electrode in various electrolyte concentrations: electrical properties and capacitive behavior for supercapacitor. J Rubber Res 23, 387–393 (2020). https://doi.org/10.1007/s42464-020-00066-4

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  • DOI: https://doi.org/10.1007/s42464-020-00066-4

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