Flexible Supercapacitors Based on Polyaniline Arrays Coated Graphene Aerogel Electrodes View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2017-06-08

AUTHORS

Yu Yang, Yunlong Xi, Junzhi Li, Guodong Wei, N. I. Klyui, Wei Han

ABSTRACT

Flexible supercapacitors(SCs) made by reduced graphene oxide (rGO)-based aerogel usually suffer from the low energy density, short cycle life and bad flexibility. In this study, a new, synthetic strategy was developed for enhancing the electrochemical performances of rGO aerogel-based supercapacitor via electrodeposition polyaniline arrays on the prepared ultralight rGO aerogel. The novel hybrid composites with coated polyaniline (PANI) arrays growing on the rGO surface can take full advantage of the rich open-pore and excellent conductivity of the crosslinking framework structure of 3D rGO aerogel and high capacitance contribution from the PANI. The obtained hybrid composites exhibit excellent electrochemical performance with a specific capacitance of 432 F g-1 at the current density of 1 A g-1, robust cycling stability to maintain 85% after 10,000 charge/discharge cycles and high energy density of 25 W h kg-1. Furthermore, the flexible all-solid-state supercapacitor have superior flexibility and outstanding stability under different bending states from the straight state to the 90° status. The high-performance flexible all-solid-state SCs together with the lighting tests demonstrate it possible for applications in portable electronics. More... »

PAGES

394

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s11671-017-2159-9

DOI

http://dx.doi.org/10.1186/s11671-017-2159-9

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1085930724

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/28599513


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