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14 February 2023 Preparation of porous carbon spheres with Ni/Co co-doped for supercapacitors application
Yuelong Xu, Shasha Wang
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Proceedings Volume 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022); 1258913 (2023) https://doi.org/10.1117/12.2670174
Event: International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 2022, Longyan, China
Abstract
Porous carbon with high specific surface and excellent conductivity has attracted more and more attention for supercapacitor application. Biomass-based carbon materials with low cost and abundant resources are widely used to prepare porous carbon. In this work, pectin and melamine are used as precursors, Ni2+ and Co2+ are used as doped metals sources. The porous carbon spheres with Ni/Co codoped are prepared through a hydrothermal method at 120℃ and are carbonized under N2 atmosphere at 900℃. The obtained materials exhibited an excellent capacity of 312 F. g−1 at 1 A. g−1 with a good stability for a long time test.
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Yuelong Xu and Shasha Wang "Preparation of porous carbon spheres with Ni/Co co-doped for supercapacitors application", Proc. SPIE 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 1258913 (14 February 2023); https://doi.org/10.1117/12.2670174
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KEYWORDS
Carbon
Porosity
Optical spheres
Capacitors
Metals
Nickel
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