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The occurrence of partial discharge faults in air switch cabinets is often accompanied by the generation of characteristic gases. Detecting these characteristic gases, such as CO and NO2, within the air switch cabinet serves as an effective measure for early identification of fault hazards and prevention of their deterioration. This study, based on first-principle calculations, investigates the adsorption energy, charge transfer, density of states, and band structure of CO and NO2 on intrinsic Janus WSSe monolayers and Mo-WSSe monolayers. The results indicate that Mo doping can enhance the adsorption performance of WSSe for CO and NO2. This research provides theoretical guidance for the development of sensors aimed at detecting characteristic gases associated with partial discharge in air switch cabinets.

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Adsorption and Sensing Properties of Air Switchgear Partial Discharge Characteristic Gas on WSSe-Based Monolayer

  • 会议论文

  • 发表日期：

    2025年

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  • Zongjun Hu,
  • Xiaofeng Liu,
  • Xiaoqiang Hu,
  • Yuan Yao,
  • Yanrun Chen,
  • Li Liu,
  • Wen Zeng,
  • Qu Zhou

摘要

The occurrence of partial discharge faults in air switch cabinets is often accompanied by the generation of characteristic gases. Detecting these characteristic gases, such as CO and NO2, within the air switch cabinet serves as an effective measure for early identification of fault hazards and prevention of their deterioration. This study, based on first-principle calculations, investigates the adsorption energy, charge transfer, density of states, and band structure of CO and NO2 on intrinsic Janus WSSe monolayers and Mo-WSSe monolayers. The results indicate that Mo doping can enhance the adsorption performance of WSSe for CO and NO2. This research provides theoretical guidance for the development of sensors aimed at detecting characteristic gases associated with partial discharge in air switch cabinets.