[H₃PO₄] (mol/L)

Impregnation time (h)

Pyrolysis temperature (˚C)

Duration of final plateau (h)

Sample full name

5

24

450

1.5

Ch-5M-24 h-450˚C-1.5 h

5

18

450

1.5

Ch-5M-18 h-450˚C-1.5 h

5

12

450

1.5

Ch-5M-12 h-450˚C-1.5 h

3.5

24

450

1.5

Ch-3.5M-24 h-450˚C-1.5 h

7

24

450

1.5

Ch-7M-24 h-450˚C-1.5 h

8.7

24

450

1.5

Ch-8.7M-24 h-450˚C-1.5 h

5

24

300

1.5

Ch-5M-24 h-300˚C-1.5 h

5

24

400

1.5

Ch-5M-24 h-400˚C-1.5 h

5

24

500

1.5

Ch-5M-24 h-500˚C-1.5 h

5

24

450

1

Ch-5M-24 h-450˚C-1 h

5

24

450

2

Ch-5M-24 h-450˚C-2 h

5

24

450

3

Ch-5M-24 h-450˚C-3 h