Ultralow Fe augmented defect-prone porous carbon for highly efficient supercapacitor

Materials Letters(2023)

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摘要
•Ultralow iron doping of carbon enables 825 F g−1 capacitance at 0.5 A g−1.•This doped carbon demonstrates high capacitance in a symmetric cell in KOH.•The capacity are retained at ∼96% over a thousand cycles at 10 A g−1.
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关键词
Heteroatom, Iron, Hierarchical porous carbon, Carbonization, Symmetric supercapacitor
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