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Enhanced H 2 Generation via Piezoelectric Reforming of Waste Sugars and Fruits Using Au-Decorated g-C 3 N 4

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  • Ke Ren

    (College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China)

  • Fangjie Ding

    (College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China)

  • Lijun Zhang

    (College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China)

  • Fengping Peng

    (Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China
    School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
    Changwang School of Honors, Nanjing University of Information Science & Technology, Nanjing 210044, China)

  • Jianzhong Guo

    (College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China)

  • Chunzheng Wu

    (College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China)

Abstract

The food industry is responsible for generating considerable amounts of waste, such as excess fruits and leftover sugars, which contribute to resource depletion and pose environmental challenges. This research delves into the application of gold-modified graphitic carbon nitride nanosheets (Au/CN) as a potent catalyst for the transformation of these food wastes into H 2 via piezoelectric reforming during sonication. Au/CN demonstrated a superior rate of H 2 evolution compared to pristine g-C 3 N 4 (i.e., 1533.3 vs. 364.9 µmol/g/h) and it maintained its efficiency through multiple cycles of use. The catalytic activity was found to be optimal at a neutral pH level and with increased sugar concentrations. The enhanced catalytic performance of Au/CN was ascribed to the efficient segregation of charge carriers as well as the reduced charge transfer distance. This study underscores the viability of using Au/CN as a means for converting food wastes into a sustainable source of H 2 energy.

Suggested Citation

  • Ke Ren & Fangjie Ding & Lijun Zhang & Fengping Peng & Jianzhong Guo & Chunzheng Wu, 2024. "Enhanced H 2 Generation via Piezoelectric Reforming of Waste Sugars and Fruits Using Au-Decorated g-C 3 N 4," Sustainability, MDPI, vol. 16(10), pages 1-13, May.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:10:p:4231-:d:1396819
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    References listed on IDEAS

    as
    1. Hary Demey & Gilles Ratel & Bruno Lacaze & Olivier Delattre & Geert Haarlemmer & Anne Roubaud, 2023. "Hydrogen Production by Catalytic Supercritical Water Gasification of Black Liquor-Based Wastewater," Energies, MDPI, vol. 16(8), pages 1-13, April.
    2. Wenzhuo Wu & Lei Wang & Yilei Li & Fan Zhang & Long Lin & Simiao Niu & Daniel Chenet & Xian Zhang & Yufeng Hao & Tony F. Heinz & James Hone & Zhong Lin Wang, 2014. "Piezoelectricity of single-atomic-layer MoS2 for energy conversion and piezotronics," Nature, Nature, vol. 514(7523), pages 470-474, October.
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