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Photocatalytic Fuel Cells for Simultaneous Wastewater Treatment and Power Generation: Mechanisms, Challenges, and Future Prospects

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  • Hari Bhakta Oli

    (Department of Chemistry, Amrit Campus, Tribhuvan University, Kathmandu 44618, Nepal)

  • Allison A. Kim

    (Department of Healthcare Management, Woosong University, Daejeon 34606, Korea)

  • Mira Park

    (Carbon Composite Energy Nanomaterials Research Center, Woosuk University, Wanju, Chonbuk 55338, Korea
    Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, Wanju, Chonbuk 55338, Korea)

  • Deval Prasad Bhattarai

    (Department of Chemistry, Amrit Campus, Tribhuvan University, Kathmandu 44618, Nepal)

  • Bishweshwar Pant

    (Carbon Composite Energy Nanomaterials Research Center, Woosuk University, Wanju, Chonbuk 55338, Korea
    Woosuk Institute of Smart Convergence Life Care (WSCLC), Woosuk University, Wanju, Chonbuk 55338, Korea)

Abstract

Technological advancement is accompanied by excessive consumption of fossil fuels and affluent uses of chemical substances in many sectors, including transportation and manufacturing companies, and so on. Being an exhaustible resource, the excessive use of fossil fuels and of chemical substances may lead to a serious energy crisis in the long run, and it may additionally impose environmental pollution. Attempts have been made in the solution of such serious issues from every nook and corner. Nonetheless, no method has been found to be a panacea in waste water treatment and subsequent beneficiaries. One of the attempts in the solution to such issues is the application of photocatalytic technology, which could serve as a dual function in environmental remediation and clean energy production. A photocatalytic fuel cell is a tool developed for the recovery of energy from organic wastes. A rational cell construction needs the fabrication of photoelectrodes, the design of a photoanode and a photocathode chamber, in addition to an ion-transport membrane for pollution treatment and electricity generation. In this review, comprehensive fundamental assessments and recent developments in the design of photocatalytic fuel cells, their applications, future prospects, and challenges are covered.

Suggested Citation

  • Hari Bhakta Oli & Allison A. Kim & Mira Park & Deval Prasad Bhattarai & Bishweshwar Pant, 2022. "Photocatalytic Fuel Cells for Simultaneous Wastewater Treatment and Power Generation: Mechanisms, Challenges, and Future Prospects," Energies, MDPI, vol. 15(9), pages 1-18, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3216-:d:804048
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    References listed on IDEAS

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    1. Fei He & Woojung Jeon & Wonyong Choi, 2021. "Photocatalytic air purification mimicking the self-cleaning process of the atmosphere," Nature Communications, Nature, vol. 12(1), pages 1-4, December.
    2. Li, Lin & Chen, Rong & Zhu, Xun & Liao, Qiang & Ye, Dingding & Zhang, Biao & He, Xuefeng & Jiao, Long & Feng, Hao & Zhang, Wei, 2018. "A ternary hybrid CdS/SiO2/TiO2 photoanode with enhanced photoelectrochemical activity," Renewable Energy, Elsevier, vol. 127(C), pages 524-530.
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    Cited by:

    1. Teresa Pakulska, 2023. "The Energy Crisis—Looking at the Renewable Transition," Energies, MDPI, vol. 16(15), pages 1-3, July.

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