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Self-powered monoelectrodes made from graphene composite films to harvest rain energy

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  • Zhao, Yuanyuan
  • Pang, Zhibin
  • Duan, Jialong
  • Duan, Yanyan
  • Jiao, Zhengbo
  • Tang, Qunwei

Abstract

Development of self-powered monoelectrodes for clean energy harvest is a promising solution to meet the growing energy demands for modern electronic device applications. To address this issue, a category of self-powered monoelectrodes are made from cost-effective graphene composite films to harvest rain energy. Periodic current and voltage signals are recorded under rain stimulation to evaluate their rain-to-electricity efficiency. The mechanism behind rain energy harvest arises from charging/discharging cycles of electric π-electron (graphene)|cation (rain) double-layer pseudocapacitances at graphene film/raindrop interface. The maximized current of 2.15 μA/raindrop, voltage of 129.83 μV/raindrop and power of 295.48 pW/raindrop are yielded in the optimized conversion devices. The present work may provide new insights on harvesting waste energies in rain-enriched regions by designing electron-enriched monoelectrodes.

Suggested Citation

  • Zhao, Yuanyuan & Pang, Zhibin & Duan, Jialong & Duan, Yanyan & Jiao, Zhengbo & Tang, Qunwei, 2018. "Self-powered monoelectrodes made from graphene composite films to harvest rain energy," Energy, Elsevier, vol. 158(C), pages 555-563.
    • Handle: RePEc:eee:energy:v:158:y:2018:i:c:p:555-563
    DOI: 10.1016/j.energy.2018.05.138
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    References listed on IDEAS

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    1. Elisabet Romero & Vladimir I. Novoderezhkin & Rienk van Grondelle, 2017. "Quantum design of photosynthesis for bio-inspired solar-energy conversion," Nature, Nature, vol. 543(7645), pages 355-365, March.
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    Cited by:

    1. Chang, Chih-Chang & Huang, Wei-Hao & Mai, Van-Phung & Tsai, Jia-Shiuan & Yang, Ruey-Jen, 2021. "Experimental investigation into energy harvesting of NaCl droplet flow over graphene supported by silicon dioxide," Energy, Elsevier, vol. 229(C).
    2. Arias, Francisco J. & De Las Heras, Salvador, 2019. "The use of compliant surfaces for harvesting energy from water streams," Energy, Elsevier, vol. 189(C).
    3. Ali Matin Nazar & King-James Idala Egbe & Azam Abdollahi & Mohammad Amin Hariri-Ardebili, 2021. "Triboelectric Nanogenerators for Energy Harvesting in Ocean: A Review on Application and Hybridization," Energies, MDPI, vol. 14(18), pages 1-33, September.

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