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Atomically embedded Cu2O nanoparticles on nano-size LTA realize the electrochemical GOR in the blood environment

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Listed:
  • Zhu, Xinyu
  • Bian, Qianqian
  • E, Yifeng
  • Li, Zhuozhe
  • Zhang, Xiaoxia
  • Zhang, Naiyue
  • Chen, Peng
  • Li, Li
  • Qian, Kun

Abstract

Direct glucose alkaline fuel cell (DGAFC) is an efficient energy conversion device that can oxidize the glucose in alkaline electrolytes. The nanosized DGAFC meets well with the desire for non-drug hypoglycemic in the safe treatment of diabetes while a novel catalyst could work in a blood environment. The novel glucose catalyst Cu2O/LTA (Cu2O/Linda A structured zeolite) is designed in the blood sugar environment and as-synthesized in a one-pot reaction under hydrothermal conditions. The Cu2O nanoparticles are generated, dispersed, and restricted in the nanosized opening windows of rigid zeolitic pore channels. The nano-size Cu2O/LTA presents high electro-catalytical activity with a Tafel slope of 125.56 mV dec−1, a current density of 29.39 mA cm−2 and a power density of 411.5 W m−2. The nano-size Cu2O/LTA GCE retains about 98.3 % of its initial current density after the 12-h durability test, which is higher than noble metal glucose catalysts and conventional commercial Pt/C. This excellent glucose oxidation performance is attributed to the synergistic effects of the LTA-structured zeolite nanoscale carrier and the expanded nanoscale Cu2O particles. This work supplies some inspiration for non-drug hypoglycemic with commercially available, easily prepared, non-precious metal nano-catalysts.

Suggested Citation

  • Zhu, Xinyu & Bian, Qianqian & E, Yifeng & Li, Zhuozhe & Zhang, Xiaoxia & Zhang, Naiyue & Chen, Peng & Li, Li & Qian, Kun, 2025. "Atomically embedded Cu2O nanoparticles on nano-size LTA realize the electrochemical GOR in the blood environment," Renewable Energy, Elsevier, vol. 250(C).
    • Handle: RePEc:eee:renene:v:250:y:2025:i:c:s0960148125009681
    DOI: 10.1016/j.renene.2025.123306
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    References listed on IDEAS

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    1. Santiago, Óscar & Navarro, Emilio & Raso, Miguel A. & Leo, Teresa J., 2016. "Review of implantable and external abiotically catalysed glucose fuel cells and the differences between their membranes and catalysts," Applied Energy, Elsevier, vol. 179(C), pages 497-522.
    2. Irfan, Muhammad & Liu, Xianhua & Li, Shengling & Khan, Izhar Ullah & Li, Yang & Wang, Jiao & Wang, Xin & Du, Xiwen & Wang, Guangyi & Zhang, Pingping, 2020. "High-performance glucose fuel cell with bimetallic Ni–Co composite anchored on reduced graphene oxide as anode catalyst," Renewable Energy, Elsevier, vol. 155(C), pages 1118-1126.
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