Temperature (˚C)

CO₂ conversion (%)

CO selectivity (%)

CH₄ selectivity (%)

C₂⁼/C₂

230

10.7

42.8

22.0

0.57

240

15.4

35.1

17.4

0.61

250

16.6

34.2

18.3

0.66

260

18.3

32.5

17.0

0.70

270

20.3

35.7

19.8

0.72

280

22.5

35.2

15.6

0.73