酚醛基碳气凝胶的常压制备及电化学应用-豆柴文库

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酚醛基碳气凝胶的常压制备及电化学应用
Title:PreparationofPhenolicResin-BasedCarbonAerogelsatAtmosphericPressureandTheirElectrochemicalApplications
Abstract:
Carbonaerogels,asauniqueclassofultralightandhighlyporousmaterials,haveattractedsignificantattentionduetotheirexceptionalpropertiesandbroadapplications.Theconventionalsynthesisofcarbonaerogelstypicallyinvolvesatime-consumingandenergy-intensiveprocessconductedundersupercriticalCO2conditions.Toovercometheselimitations,anovelmethodofpreparingphenolicresin-basedcarbonaerogelsatatmosphericpressurehasbeendeveloped.Thispaperpresentsanoverviewofthepreparationprocessandhighlightstheelectrochemicalapplicationsofthesecarbonaerogels.
1.Introduction
1.1Background
1.2MotivationandObjectives
2.PrinciplesandMethods
2.1SynthesisofPhenolicResin-BasedCarbonAerogels
2.1.1PolymerizationofPhenolicResin
2.1.2GelationandSolventRemoval
2.1.3CarbonizationandActivation
2.2CharacterizationTechniques
2.2.1ScanningElectronMicroscopy(SEM)
2.2.2TransmissionElectronMicroscopy(TEM)
2.2.3Brunauer-Emmett-Teller(BET)SurfaceAreaAnalysis
2.2.4RamanSpectroscopy
2.2.5X-rayDiffraction(XRD)
3.ResultsandDiscussion
3.1MorphologicalandStructuralAnalysis
3.2PorosityandSurfaceAreaAnalysis
3.3ElectrochemicalPerformanceAnalysis
3.3.1Supercapacitors
3.3.2Lithium-ionBatteries
3.3.3FuelCells
4.ApplicationsofPhenolicResin-BasedCarbonAerogels
4.1EnergyStorageDevices
4.1.1Supercapacitors
4.1.2Lithium-ionBatteries
4.2ElectrochemicalSensors
4.3CatalystSupportMaterials
4.4OtherPotentialApplications
5.ChallengesandFuturePerspectives
5.1ScalabilityandCost-Effectiveness
5.2ModificationandFunctionalization
5.3IntegrationwithotherMaterials
5.4EnvironmentalImplicationsandSustainability
6.Conclusion
Inthisstudy,amethodforthepreparationofphenolicresin-basedcarbonaerogelsatatmosphericpressurehasbeenpresented.Thecarbonaerogelsexhibitedahighlyporousstructure,largesurfacearea,andexcellentelectrochemicalproperties.Theelectrochemicalapplicationsofthesecarbonaerogelsinenergystoragedevices,sensors,andcata