1 hour at 250°C, 2 hours at 350°C and 2 hours at 1000°C to obtain a graphene-carbon foam layer. Reference document 1 is not a single-step pyrolysis process, but a three-step pyrolysis process.
The graphene carbon foam layer is obtained at 250 ℃ for 1 hour, 350 ℃ for 2 hours and 1000 ℃ for 2 hours. Compared to File 1, it is not a one-step pyrolysis process, but a three-step pyrolysis process can be adopted.
1 hour at 250℃, 2 hours at 350℃ and 2 hours at 1000℃ to obtain graphene-carbon foam layer. Reference document 1 is not a one-step pyrolysis process, but a three-step pyrolysis process can be adopted.