Study on Thermal Decomposition Characteristics of C6F12O-N2 Gas Mixture Based on ReaxFF Molecular Dynamics

C
6
F
12
O attracts the attention of power practitioners with excellent insulation performance and environmental protection characteristics. In this paper, the decomposition process of 4% C
6
F
12
O-N
2
mixed gas was simulated based on ReaxFF molecular dynamics method. The results showed that the main decomposition products of C
6
F
12
O-N
2
included C
2
F
4
, C
2
F
2
, O, C
2
F, C
3
F
4
, CF
2
N, CFN
2
, N
3
, C
2
O, CN
2
, CFO, C
4
F
6
O, CF
4
, C
5
F
9
O, CF
2
N
2
, CF
3
N
2
, C
3
F
3
O, C, C
2
, C
2
F
5
, CN, CF, CFN, CF
2
O, C
3
F
7
, CF
3
, F, CO, CF
2
and N. The content of CF
3
, F, CO, CN, N, CF
2
and CFN is high. C
6
F
12
O decomposition produces C
5
F
9
O firstly, then continues to decompose and produce CF
3
, F, CO, CN, CF
2
, CF
2
O and other small molecules. N and N
2
will combine with decomposition products of C
6
F
12
O to produce CF
2
N
2
, CF
3
N
2
, CFN, CF
2
N, CFN
2
and CN
2
.The relevant results can provide a certain reference for C
6
F
12
O-N
2
mixed gas application in engineering.