Department;
of;
Materials;
Science;
and;
Engineering,;
Tsinghua;
University,;
Beijing;
100084,;
China;
Department;
of;
Materials;
Science;
and;
Engineering,;
Tsinghua;
University,;
Beijing;
100084,;
China;
Department;
of;
Materials;
Science;
and;
Engineering,;
Tsinghua;
University,;
Beijing;
100084,;
China;
Department;
of;
Materials;
Science;
and;
Engineering,;
Tsinghua;
University,;
Beijing;
100084,;
China;
activated; carbon; fiber; (ACF),; fractal,; pore-size; distribution,; gas; adsorption.;