原子层沉积方法在设计制备高效电催化剂中的应用.pptx

原子层沉积方法在设计制备高效电催化剂中的应用汇报人：2024-01-26

目录introductionPrincipleandTechnologyofAtomicLayerDepositionMethodDesignandpreparationstrategiesforelectrocatalysts

目录ApplicationexamplesofatomiclayerdepositionmethodinelectrocatalystsResultanalysisanddiscussionConclusionandOutlook

01introduction

Energycrisisandenvironmentalpollution:Withtheincreasingdepletionoffossilfuelsandtheseverityofenvironmentalpollution,thedevelopmentofefficientandcleanenergyconversionandstoragetechnologieshasbecomeanurgentneed.Theimportanceofelectrocatalyticreactions:electrocatalyticreactionsplayacoreroleinenergyconversionandstorage,suchasfuelcells,electrolysisofwaterforhydrogenproduction,andsoon.Thedemandforefficientelectrocatalysts:Theefficiencyandperformanceofelectrocatalyticreactionslargelydependontheactivity,selectivity,andstabilityoftheelectrocatalyst.Therefore,designingandpreparingefficientelectrocatalystsisofgreatsignificance.Researchbackgroundandsignificance

Atomiclayerdeposition(ALD)principle:ALDisathinfilmdepositiontechniquebasedonsurfacechemicalreactions,whichdepositssingleatomiclayerslayerbylayeronthesubstratesurfacebyalternatelyintroducingdifferentprecursorgases.ALDtechnologyfeaturesprecisethicknesscontrol,excellentshaperetention,andlow-temperaturedeposition,makingitsuitableforthepreparationofcomplexshapedsubstratesandnanoscalethinfilms.IntroductiontoAtomicLayerDepositionMethod

Applicationareasofelectrocatalysts:Widelyusedinenergyconversionandstoragefieldssuchasfuelcells,electrolysisofwaterforhydrogenproduction,andmetalairbatteries.Thechallengesfacedbyelectrocatalystsincludeinsufficientactivity,poorselectivity,andpoorstability,whichlimittheperformanceandefficiencyofelectrocatalyticreactions.Therefore,designingandpreparingefficientandstableelectrocatalysts