College;
of;
Chemistry;
and;
Chemical;
Engineering,;
College;
of;
Materials;
Science;
and;
Engineering,;
Central;
South;
University,;
Changsha;
410083,;
China;
College;
of;
Chemistry;
and;
Chemical;
Engineering,;
College;
of;
Materials;
Science;
and;
Engineering,;
Central;
South;
University,;
Changsha;
410083,;
China;
Pt-electrocatalyst,; atomic; states,; crystalline; structure,; catalytic; performance.;