Theoretical Study on Absorption of SF6/N2 Decomposed Products on the Surface of ZnO-C3N

WANG Dibo; WANG Wei; ZHUO Ran; SONG Haoyong; FU Mingli; LIU Jing

doi:10.13296/j.1001-1609.hva.2021.03.017

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Theoretical Study on Absorption of SF₆/N₂ Decomposed Products on the Surface of ZnO-C₃N

更新时间：2025-04-26

- Theoretical Study on Absorption of SF₆/N₂ Decomposed Products on the Surface of ZnO-C₃N
- High VoltageApparatus Vol. 57, Issue 3, Pages: 104-111(2021)
- 作者机构：
  
  1. 南方电网科学研究院有限责任公司
  2. 广东电网有限责任公司广州供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.03.017
  CLC： TM213
- Published：2021
- 稿件说明：
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[1]王邸博,王炜,卓然,宋浩永,傅明利,刘静.SF_6/N_2分解组分在ZnO-C_3N表面的吸附的理论研究[J].高压电器,2021,57(03):104-111.

WANG Dibo, WANG Wei, ZHUO Ran, et al. Theoretical Study on Absorption of SF₆/N₂ Decomposed Products on the Surface of ZnO-C₃N[J]. High voltageapparatus, 2021, 57(3): 104-111.
[1]王邸博,王炜,卓然,宋浩永,傅明利,刘静.SF_6/N_2分解组分在ZnO-C_3N表面的吸附的理论研究[J].高压电器,2021,57(03):104-111. DOI： 10.13296/j.1001-1609.hva.2021.03.017.

WANG Dibo, WANG Wei, ZHUO Ran, et al. Theoretical Study on Absorption of SF₆/N₂ Decomposed Products on the Surface of ZnO-C₃N[J]. High voltageapparatus, 2021, 57(3): 104-111. DOI： 10.13296/j.1001-1609.hva.2021.03.017.

摘要

混合气体作为目前替代SF

气体的最佳选择之一

已被应用于较多电力设备中作为绝缘介质保证电力系统的安全运行。然而

设备内部不可避免的会出现局部放电等事故导致SF

发生分解

产生绝缘性能较弱的分解产物

监测这些产物的生成对电力系统至关重要。文中基于密度泛函原理对二维材料C

N使用Zn O进行了修饰（Zn O-C

N）

通过计算其吸附分解产物时的吸附能、能态密度以及带隙等参数评估了其作为分解产物传感器的性能。结果表明

Zn O-C

N对SO

、SOF

和SO

表现出了较强的吸附以及灵敏度

这使得ZnO-C

N在作为吸附剂去除SF

分解产物这一用途上具有较大的应用潜力。

Abstract

as one of presently the best alternatives to SF

gas

is used widely in high-voltage electrical equipment as insulation medium so to assure safe operation of power system.However

such inevitable faults as partial discharge etc inside the equipment lead to decomposition of SF

and generate decomposition products with weak insulation performance.The monitoring of formation of those products is crit

ical to the power system.In this paper

Zn O is used to modify the two-dimensional material C

N（Zn O-C

N）on the basis of density functional principle and evaluate its performance as the decomposition product sensor by way of calculating its such parameters as absorption energy

density of state and band gap.It is shown by the result that ZnO-C

N shows stronger absorption and sensitivity to SO

、SOF

and SO

which makes ZnO-C

N have great application potential in removing SF

decomposition products as adsorbent.

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