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Porous carbon made from rice husk as electrode material for electrochemical double layer capacitor

Author

Listed:
  • Gao, Yu
  • Li, Lei
  • Jin, Yuming
  • Wang, Yu
  • Yuan, Chuanjun
  • Wei, Yingjin
  • Chen, Gang
  • Ge, Junjie
  • Lu, Haiyan

Abstract

Rice husks were converted into activated carbon by KOH activation, at temperatures between 400 and 900°C and used in a two-electrode supercapacitor. The rice husks contain SiO2 nano-crystals surrounded by an amorphous carbon matrix. The activated carbons maintained their size and shape after the synthesis process and the ordering degree of carbon increased at elevated temperatures. The highest BET surface area of the activated carbons was around 3145m2g−1. Electrochemical properties of the studied samples were measured using a two electrode cell in 6M KOH and 1.5M tetraethylammonium tetrafluoroborate in acetonitrile. The material synthesized at 800°C showed the highest gravimetric capacitance performance of 367Fg−1and 174Fg−1 in aqueous and organic electrolytes, respectively. In contrast to the commercial activated carbons, rice husk activated carbon (RHAC), this material showed excellent high-power handling ability and electrochemical cycle performance, after 30000 cycles the capacitive value almost remained unchanged.

Suggested Citation

  • Gao, Yu & Li, Lei & Jin, Yuming & Wang, Yu & Yuan, Chuanjun & Wei, Yingjin & Chen, Gang & Ge, Junjie & Lu, Haiyan, 2015. "Porous carbon made from rice husk as electrode material for electrochemical double layer capacitor," Applied Energy, Elsevier, vol. 153(C), pages 41-47.
    • Handle: RePEc:eee:appene:v:153:y:2015:i:c:p:41-47
    DOI: 10.1016/j.apenergy.2014.12.070
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    Citations

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    Cited by:

    1. Zhang, Wenli & Lin, Nan & Liu, Debo & Xu, Jinhui & Sha, Jinxin & Yin, Jian & Tan, Xiaobo & Yang, Huiping & Lu, Haiyan & Lin, Haibo, 2017. "Direct carbonization of rice husk to prepare porous carbon for supercapacitor applications," Energy, Elsevier, vol. 128(C), pages 618-625.
    2. Yuan, Chuanjun & Lin, Haibo & Lu, Haiyan & Xing, Endong & Zhang, Yusi & Xie, Bingyao, 2016. "Synthesis of hierarchically porous MnO2/rice husks derived carbon composite as high-performance electrode material for supercapacitors," Applied Energy, Elsevier, vol. 178(C), pages 260-268.
    3. Yun, Sining & Fang, Wen & Du, Tingting & Hu, Xieli & Huang, Xinlei & Li, Xue & Zhang, Chen & Lund, Peter D., 2018. "Use of bio-based carbon materials for improving biogas yield and digestate stability," Energy, Elsevier, vol. 164(C), pages 898-909.
    4. Devadiga, Dheeraj & Selvakumar, Muthu & Shetty, Prakasha & Santosh, Mysore Sridhar, 2022. "The integration of flexible dye-sensitized solar cells and storage devices towards wearable self-charging power systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 159(C).
    5. Ponce, M. Federico & Mamani, Arminda & Jerez, Florencia & Castilla, Josué & Ramos, Pamela B. & Acosta, Gerardo G. & Sardella, M. Fabiana & Bavio, Marcela A., 2022. "Activated carbon from olive tree pruning residue for symmetric solid-state supercapacitor," Energy, Elsevier, vol. 260(C).
    6. Maziarka, Przemyslaw & Sommersacher, Peter & Wang, Xia & Kienzl, Norbert & Retschitzegger, Stefan & Prins, Wolter & Hedin, Niklas & Ronsse, Frederik, 2021. "Tailoring of the pore structures of wood pyrolysis chars for potential use in energy storage applications," Applied Energy, Elsevier, vol. 286(C).

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