Polyphosphazene-derived carbon modified nanowires for high-performance electrochemical energy storage
Source abstract
Abstract
Abstract Two one-dimensional nanowires, Fe3O4 and MnO2 nanowires, were modified with polyphosphazene-derived carbon (PZSC) using in situ polymerization and high-temperature calcination methods. PZSC coated with MnO2 nanowire (MnO2/PZSCNW) was designed as the positive electrode, while PZSC coated with Fe3O4 nanowire (Fe3O4/PZSCNW) was designed as the negative electrode. Both MnO2/PZSCNW (+) and Fe3O4/PZSCNW (−) exhibit much larger specific capacities than the corresponding MnO2 and Fe3O4 nanowires, reaching 75.5 mAh g−1 and 75.9 mAh g−1, respectively. The maximum specific capacity, power and energy density of MnO2/PZSCNW (+)//Fe3O4/PZSCNW (−) in alkaline electrolyte are up to 63.2 mAh g−1, 429.6 W kg−1 and 53.7 Wh kg−1, respectively. After 10 000 cycles, the cell maintains 100% capacity. The experimental results indicate that the polyphosphazene-derived carbon coating can significantly improve the electrochemical performance, providing a feasible solution for constructing high-performance supercapacitors.
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Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced battery technologies research · Advancements in Battery Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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