The BET results indicate that through the modification the SBET of VGCF veries, and as the long modification time of 120 min is used, the SBET of VGCF decreases distinctly.

• BET比表面积(SBET)测试表明:改性后的VGCF的SBET有一定的变化,经120min长时间的改性处理后,SBET明显降低;