Presented　here　are　the　synthesis　of　series　N-rich　hierarchically　porous　carbons　via　disposition　of　ZIF-8　on　g-C3N4　nanosheets　and　their　uses　as　electrode　materials　in　oxygen　reduction　reaction　(ORR)　and　supercapacitor.　Electron　microscopy　images　show　the　successful　formation　of　2D　carbon　structures　through　using　layered　C3N4　as　a　novel　template　and　ZIF-8　as　carbon　precursor.　The　meso　and　macropores　of　the　ZIF-8　derived　carbons　are　significantly　developed　with　g-C3N4　incorporation.　Electrochemical　measurements　demonstrate　that　the　resulting　2D　carbons　exhibit　enhancing　performance　of　supercapacitance　up　to　159.0F/g　at　a　current　density　of　1A/g,　meanwhile　the　optimized　electrocatalytic　activity　for　ORR　in　O-2　saturated　0.1M　KOH　electrolyte,　with　a　distinct　oxygen　reduction　peak　at　0.71V　that　was　comparable　to　the　value　of　the　referenced　Pt/C　catalyst.　Notably,　this　is　the　first　investigation　of　layered　g-C3N4　supported　ZIF-8　derived　carbons　for　ORR　and　supercapacitance.　This　work　may　offer　a　new　way　to　prepare　novel　electrocatalysts　by　effective　integration　of　ZIF-8　derived　carbon　and　the　g-C3N4　skeleton.