title: Electrodeposition of Polypyrrole and Reduced Graphene Oxide onto Carbon Bundle Fibre as Electrode for Supercapacitor.
abstract: A nanocomposite comprising of polypyrrole and reduced graphene oxide was electrodeposited onto a carbon bundle fibre (CBF) through a two-step approach (CBF/PPy-rGO-2). The CBF/PPy-rGO-2 had a highly porous structure compared to a nanocomposite of polypyrrole and reduced graphene oxide that was electrodeposited onto a CBF in a one-step approach (CBF/PPy-rGO), as observed through a field emission scanning electron microscope. An X-ray photoelectron spectroscopic analysis revealed the presence of hydrogen bond between the oxide functional groups of rGO and the amine groups of PPy in PPy-rGO-2 nanocomposite. The fabricated CBF/PPy-rGO-2 nanocomposite material was used as an electrode material in a symmetrical solid-state supercapacitor, and the device yielded a specific capacitance, energy density and power density of 96.16 F g- 1, 13.35 Wh kg- 1and of 322.85 W kg- 1, respectively. Moreover, the CBF/PPy-rGO-2 showed the capacitance retention of 71% after 500 consecutive charge/discharge cycles at a current density of 1 A g- 1. The existence of a high degree of porosity in CBF/PPy-rGO-2 significantly improved the conductivity and facilitated the ionic penetration. The CBF/PPy-rGO-2-based symmetrical solid-state supercapacitor device demonstrated outstanding pliability because the cyclic voltammetric curves remained the same upon bending at various angles. Carbon bundle fibre modified with porous polypyrrole/reduced graphene oxide nanocomposite for flexible miniature solid-state supercapacitor.
authors.affiliation: Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
authors.forename: Hamra Assyaima
authors.initials: HA
authors.lastname: Abdul Bashid
authors.affiliation: Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. hongngee@upm.edu.my.|Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. hongngee@upm.edu.my.
authors.forename: Hong Ngee
authors.initials: HN
authors.lastname: Lim
authors.affiliation: Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
authors.forename: Sazlinda
authors.initials: S
authors.lastname: Kamaruzaman
authors.affiliation: Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.|Materials Processing and Technology Laboratory (Nanomaterials and Nanotechnology Group), Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
authors.forename: Suraya
authors.initials: S
authors.lastname: Abdul Rashid
authors.affiliation: Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
authors.forename: Robiah
authors.initials: R
authors.lastname: Yunus
authors.affiliation: Faculty of Engineering, Xiamen University of Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900, Sepang, Selangor Darul Ehsan, Malaysia.
authors.forename: Nay Ming
authors.initials: NM
authors.lastname: Huang
authors.affiliation: Newcastle University Singapore, SIT Building @ Ngee Ann Polytechnic, 537 Clementi Road #06-01, Singapore, 599493, Singapore.
authors.forename: Chun Yang
authors.initials: CY
authors.lastname: Yin
authors.affiliation: Department of Physics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh.
authors.forename: Mohammad Mahbubur
authors.initials: MM
authors.lastname: Rahman
authors.affiliation: Surface Analysis and Materials Engineering Research Group, School of Engineering and Information Technology, Murdoch University, Murdoch, WA, 6150, Australia.
authors.forename: Mohammednoor
authors.initials: M
authors.lastname: Altarawneh
authors.affiliation: Surface Analysis and Materials Engineering Research Group, School of Engineering and Information Technology, Murdoch University, Murdoch, WA, 6150, Australia.
authors.forename: Zhong Tao
authors.initials: ZT
authors.lastname: Jiang
authors.affiliation: Research Institute & Department of Chemistry, SRM University, Kattankulathur-603 203, Chennai, India.
authors.forename: Pandikumar
authors.initials: P
authors.lastname: Alagarsamy
keywords: Carbon bundle fibre; Flexible supercapacitor; Graphene; Polypyrrole