Nanofiber-basedpiezoelectricenergygeneratorscouldbescalablepowersourcesapplicablein
variouselectricaldevicesandsystemsbyscavengingmechanicalenergyfromtheenvironment.
Thisreviewarticlehighlightsrecentadvancesinnanofibernanogenerators,discussestheir
operationprinciplesandaddressesperformanceissuesincludingenergyconversionefficiencies
andpossiblefalseartifactsduringexperimentalcharacterizations.Piezoelectricnanogenerators
madeofPVDF(polyvinylidenefluoride)orPZT(leadzirconatetitanate)andfabricatedbymeans
of electrospinningprocessessuchasconventional,modifiedornear-fieldelectrospinning(NFES)
arethekeyfocusesofthispaper.Materialandstructuralanalysesonfabricatednanofibersusing
toolssuchasXRD(X-raydiffraction),FTIR(Fouriertransforminfrared),SHG(secondharmonic
generation),PFM(piezoresponseforcemicroscopy)andRamanspectroscopytowardthe
fundamentalcharacterizationsofpiezoelectricnanofibersarealsodescribed.Wesummarize
thereportbyhighlightingrecentnanogeneratordevelopmentsandfutureprospectsincludinghigh
powernanogenerators,energystorage/regulationsystemsandfundamentalsonpiezoelectricity.
Nanofiber-basedpiezoelectricenergygeneratorscouldbescalablepowersourcesapplicablein
variouselectricaldevicesandsystemsbyscavengingmechanicalenergyfromtheenvironment.
Thisreviewarticlehighlightsrecentadvancesinnanofibernanogenerators,discussestheir
operationprinciplesandaddressesperformanceissuesincludingenergyconversionefficiencies
andpossiblefalseartifactsduringexperimentalcharacterizations.Piezoelectricnanogenerators
madeofPVDF(polyvinylidenefluoride)orPZT(leadzirconatetitanate)andfabricatedbymeans
of electrospinningprocessessuchasconventional,modifiedornear-fieldelectrospinning(NFES)
arethekeyfocusesofthispaper.Materialandstructuralanalysesonfabricatednanofibersusing
toolssuchasXRD(X-raydiffraction),FTIR(Fouriertransforminfrared),SHG(secondharmonic
generation),PFM(piezoresponseforcemicroscopy)andRamanspectroscopytowardthe
fundamentalcharacterizationsofpiezoelectricnanofibersarealsodescribed.Wesummarize
thereportbyhighlightingrecentnanogeneratordevelopmentsandfutureprospectsincludinghigh
powernanogenerators,energystorage/regulationsystemsandfundamentalsonpiezoelectricity.
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