title: High-performance supercapacitors based on hollow polyaniline nanofibers by electrospinning.
abstract: Hollow polyaniline (PANI) nanofibers with controllable wall thickness are fabricated by in situ polymerization of aniline using the electrospun poly(amic acid) fiber membrane as a template. A maximum specific capacitance of 601 F g(-1) has been achieved at 1 A g(-1), suggesting the potential application of hollow PANI nanofibers for supercapacitors. The superior electrochemical performance of the hollow nanofibers is attributed to their hollow structure, thin wall thickness, and orderly pore passages, which can drastically facilitate the ion diffusion and improve the utilization of the electroactive PANI during the charge-discharge processes. Furthermore, the high flexibility of the self-standing fiber membrane template provides possibilities for the facile construction and fabrication of conducting polymers with hollow nanostructures, which may find potential applications in various high-performance electrochemical devices.
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, PR China.
authors.forename: Yue-E
authors.initials: YE
authors.lastname: Miao
authors.forename: Wei
authors.initials: W
authors.lastname: Fan
authors.forename: Dan
authors.initials: D
authors.lastname: Chen
authors.forename: Tianxi
authors.initials: T
authors.lastname: Liu