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Heteroatoms doped porous carbon derived from waste potato peel for supercapacitors

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  • Khalafallah, Diab
  • Quan, Xinyao
  • Ouyang, Chong
  • Zhi, Mingjia
  • Hong, Zhanglian

Abstract

In terms of supercapacitor electrode materials, biomass derived carbon electrodes are gaining much attention as a viable option for practical applications. Obtaining unique carbon nanostructures can significantly promote the electrochemical performance. Waste potato peel (WPP) derived hierarchical porous carbon materials with heteroatoms doping can boost the development of efficient and economical electrodes with improved charge storage capabilities. Here, we report sulfur and phosphorus co-doped porous activated carbon (S, P/PAC) as an effective supercapacitor electrode material with a large specific surface area. More importantly, the S, P/PAC not only acquires dual heteroatoms doping for promoting capacitive performance but also possesses fascinating porous features which are beneficial to shorten ion adsorption distances and enlarge the contact area. The electrode exhibits a high specific capacitance of 323 F g−1 at 1 A g−1, acceptable rate capability and good cycling stability after 5000 cycles. The constructed symmetric supercapacitor device with a wide operational potential window of 1.6 V achieves a maximum energy density of 45.5 Wh kg−1 at a power density of 800 W kg−1 with an improved long cycle life (94.3 retention after 10 000 consecutive cycles).

Suggested Citation

  • Khalafallah, Diab & Quan, Xinyao & Ouyang, Chong & Zhi, Mingjia & Hong, Zhanglian, 2021. "Heteroatoms doped porous carbon derived from waste potato peel for supercapacitors," Renewable Energy, Elsevier, vol. 170(C), pages 60-71.
    • Handle: RePEc:eee:renene:v:170:y:2021:i:c:p:60-71
    DOI: 10.1016/j.renene.2021.01.077
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    Cited by:

    1. Xu, Xiaodong & Sielicki, Krzysztof & Min, Jiakang & Li, Jiaxin & Hao, Chuncheng & Wen, Xin & Chen, Xuecheng & Mijowska, Ewa, 2022. "One-step converting biowaste wolfberry fruits into hierarchical porous carbon and its application for high-performance supercapacitors," Renewable Energy, Elsevier, vol. 185(C), pages 187-195.
    2. Rahimi, Mohammad & Abbaspour-Fard, Mohammad Hossein & Rohani, Abbas, 2021. "A multi-data-driven procedure towards a comprehensive understanding of the activated carbon electrodes performance (using for supercapacitor) employing ANN technique," Renewable Energy, Elsevier, vol. 180(C), pages 980-992.
    3. Zhou, Man & Li, Kai & Hu, Jinguang & Tang, Liping & Li, Mingliu & Su, Lifang & Zhao, Hong & Ko, Frank & Cai, Zaisheng & Zhao, Yaping, 2022. "Sustainable production of oxygen-rich hierarchically porous carbon network from corn straw lignin and silk degumming wastewater for high-performance electrochemical energy storage," Renewable Energy, Elsevier, vol. 191(C), pages 141-150.
    4. Huang, Weibo & Khalafallah, Diab & Ouyang, Chong & Zhi, Mingjia & Hong, Zhanglian, 2023. "Strategic N/P self-doped biomass-derived hierarchical porous carbon for regulating the supercapacitive performances," Renewable Energy, Elsevier, vol. 202(C), pages 1259-1272.
    5. Xu, He & Zhang, Yi & Wang, Liyuan & Chen, Ye & Gao, Shuyan, 2021. "Hierarchical porous biomass-derived carbon framework with ultrahigh surface area for outstanding capacitance supercapacitor," Renewable Energy, Elsevier, vol. 179(C), pages 1826-1835.

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