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- W4293214314 abstract "In this work, N-doped hierarchically porous carbon (PDHC) has been prepared when MnO2 nanotube and polyaniline are selected as self-sacrificial reaction template and carbon source, respectively. Benefiting from the suitable N-doping degree inherited from polyaniline, and the hierarchical porous structure originated from the synergistic adjustment of self-sacrificial template and activation treatment, PDHC exhibits significant advantages for electrochemical energy storage. Typically, the PDHC has the high specific capacitance (467 F g−1 at 1 A g−1) and rate performance (71.9% capacitance retention at 20 A g−1) in three-electrode systems. PDHC-based coin type symmetric supercapacitors are assembled with 1 M H2SO4 electrolytes and ionic liquid electrolytes, respectively, and they all exhibit a considerable synergistic power-energy output (752 W kg−1 at 31.1 Wh kg−1 and 750 W kg−1 at 74.8 Wh kg−1) and an acceptable cycling stability (6.5% and 13.9% loss over 5000 cycles). Meanwhile, the electrocatalytic performance of PDHC towards oxygen reduction reaction is also investigated, where a superior catalytic activity and a outstanding durability via 4e- pathway in the alkaline solution are confirmed, heralding the possibility of its practical application in fuel cells." @default.
- W4293214314 created "2022-08-27" @default.
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- W4293214314 date "2022-12-01" @default.
- W4293214314 modified "2023-10-17" @default.
- W4293214314 title "N-doped hierarchically porous carbon based on MnO2 nanotubes as self-sacrificial reaction templates for supercapacitors and oxygen reduction" @default.
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- W4293214314 doi "https://doi.org/10.1016/j.jallcom.2022.166856" @default.
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