Sb2Se3　shows　some　promising　potentials　for　potassium-ion　batteries　(PIBs)　due　to　its　high　theoretical　capacity　induced　by　conversion　and　alloying　reaction,　but　the　poor　alloying　reaction　reversibility　severely　limits　battery　performance.　Herein,　flexible　Sb2Se3　nanorods　supported　by　holey　rGO　composite　membranes　(Sb2Se3@h-rGO)　are　prepared　by　a　direct　vacuum　filtration　and　subsequent　reduction　process,　where　the　pre-electrostatic　interaction　of　Sb3+　and　O-2　urges　the　formation　of　Sb-O-C　bonds　between　Sb2Se3　nanorods　and　h-rGO.　When　employed　as　anode　for　PIBs,　free-standing　Sb2Se3@h-rGO　electrodes　exhibit　excellent　cycling　stability　with　a　high　capacity　of　382.8　mA　h　g(-1)　at　100　mA　g(-1)　after　500　cycles.　It　is　demonstrated　that　Sb-O-C　bonds　can　dramatically　enhance　the　alloying　reaction　reversibility,　electrochemical　kinetics　and　structural　stability　of　Sb2Se3　nanorods　upon　cycling.