1. 大唐青海能源开发有限公司
2. 西南大学人工智能学院
纸质出版:2023
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陈学云, 金广杰, 许正举, 等. C5F10O分解气体在Cu修饰NiS2表面的吸附机理研究[J]. 四川电力技术, 2023,(4):17-24.
陈学云, 金广杰, 许正举, et al. C5F10O分解气体在Cu修饰NiS2表面的吸附机理研究[J]. 2023, (4): 17-24.
陈学云, 金广杰, 许正举, 等. C5F10O分解气体在Cu修饰NiS2表面的吸附机理研究[J]. 四川电力技术, 2023,(4):17-24. DOI: 10.16527/j.issn.1003-6954.20230404.
陈学云, 金广杰, 许正举, et al. C5F10O分解气体在Cu修饰NiS2表面的吸附机理研究[J]. 2023, (4): 17-24. DOI: 10.16527/j.issn.1003-6954.20230404.
文中利用第一性原理研究了Cu修饰单层NiS
2
(Cu-NiS
2
)对5种C
5
F
10
O分解组分的吸附和传感性能,以探索其在C
5
F
10
O绝缘装置运行状态评估领域的应用潜力。通过对各吸附体系的吸附参数研究发现:Cu-NiS
2
对C
2
F
6
O
3
分子表现为化学吸附,吸附能为-1.05 eV
而对C
3
F
6
、CF
2
O、C
2
F
6
和CF
4
分子表现为物理吸附。通过对各吸附体系的电子性能以及气敏恢复特性分析发现:Cu-NiS
2
对C
3
F
6
或CF
2
O气体的传感性能较好,且在室温下恢复性能较佳,因此具备开发为C
3
F
6
或CF
2
O气体传感器的巨大潜力;相反的,由于Cu-NiS
2
对C
2
F
6
和CF
4
的传感性能较差,因此无法实现这两种气体的高灵敏检测。此外,尽管Cu-NiS
2
对C
2
F
6
O
3
的传感性能极佳,但其较长的恢复特性决定了只能实现对该气体的单次检测,无法实现长期稳定使用。依据仿真研究结果提出了一种用于电力系统故障诊断的新型气敏传感材料,即Cu-NiS
2
该传感材料对于评估C
5
F
10
O绝缘装置的运行状态具有重要意义。
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