MoS2 Nanosheet-Polypyrrole Composites Deposited on Reduced Graphene Oxide for Supercapacitor Applications
Source abstract
Abstract
Vertically aligned MoS2 nanosheet-polypyrrole (PPy) composites on reduced oxygen graphene (rGO) are fabricated by a one-step hydrothermal strategy (MP-rGO). The ultrathin MoS2 nanosheets mixed with PPy lamellas are well coated on the surface of rGO to form a ternary nanostructure. PPy lamellas are formed on rGO with MoS2 nanosheets by a redox reaction between ammonium tetrathiomolybdate and pyrrole. The conductivity of MoS2 was effectively improved by using PPy and rGO, and the MoS2/PPy (MP) nanohybrid endows MoS2 low crystalline and PPy amorphous. The MP-rGO electrode exhibits a specific capacitance of 1942 F g–1 (or 215.8 mA h g–1) at a density of 1 A g–1 and a satisfactory cycling stability. The MP-rGO//AC asymmetric supercapacitor has been assembled and exhibits a high energy density of 39.1 Wh kg–1 at a power density of 0.70 kW kg–1, which confirms its potential application in the energy storage.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Conducting polymers and applications · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Automobile Materials, Ministry of Education, Department of Materials Science and Engineering, Jilin University, Changchun 130022, PR China
Funding
Ministry of Science and Technology of the People's Republic of China · Jilin University · National Natural Science Foundation of China
References (68)
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