A flexibleall-solid-stateasymmetricmicro-supercapacitorbasedonlamellar(K2Co3(P2O7)2 2H2O)
nanocrystalwhiskersandgraphenenanosheetswassuccessfullyfabricatedbyinkjetprintingina
simpleandcost-effectiveway.AfacilemethodtosynthesizelamellarK2Co3(P2O7)2 2H2O nanocrystal
whiskers underamildhydrothermalconditionwasalso established.Theassembledmicro-device
exhibitedahighspecific capacitance(6.0Fcm3), goodrate/mechanicalstabilityandalongcycling
stability(5000cycles)withamaximunenergydensityof0.96mWhcm3, demonstratinggreat
promiseforapplicationsin flexible all-solid-statemicro-supercapacitors.
& 2015PublishedbyElsevierLtd.