Layer by layer approach to enhance capacitance using metal sulfides for supercapacitor applications
| Autor: | S. Srinivasa Rao, Hee-Je Kim, Archana Subramanian, Muhammad Khan, Vivekanandan Raman, Dinah Punnoose, Chandu V. V. Muralee Gopi |
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| Rok vydání: | 2018 |
| Předmět: |
Supercapacitor
Materials science Mechanical Engineering Layer by layer 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Electrochemistry 01 natural sciences Capacitance Electrochemical energy conversion Energy storage 0104 chemical sciences Polystyrene sulfonate chemistry.chemical_compound chemistry PEDOT:PSS Chemical engineering Mechanics of Materials General Materials Science 0210 nano-technology |
| Zdroj: | Materials Letters. 231:64-67 |
| ISSN: | 0167-577X |
| DOI: | 10.1016/j.matlet.2018.07.118 |
| Popis: | Layer-by-layer approach for NiS, CoS and PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) is being fabricated. Metal sulfides have always been chosen for their remarkable electrochemical characteristics and wide beneficial domains, such as electrochemical energy conversion and storage. This work presents the preparation of cost-effective metal sulfides (NiS, NiS/CoS, NiS/CoS/PEDOT:PSS) developed on nickel foam sheets for supercapacitor (SC) applications. The assembled NiS/CoS/PEDOT:PSS array SC device exhibits an utmost energy density of 30.3 W h kg−1 and specific capacitance of 353 F g−1. All wet processing methods of fabrication accompanied with superior performance characteristics make these SCs very attractive for the next generation flexible energy storage systems. |
| Databáze: | OpenAIRE |
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