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铝硅高温相变储热材料显微组织与储热性能研究.docx

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铝硅高温相变储热材料显微组织与储热性能研究 Title:MicrostructuralAnalysisandThermalEnergyStoragePerformanceofAluminium-SiliconHigh-TemperaturePhase-ChangeMaterials Abstract: Thermalenergystorage(TES)systemshavegainedsignificantattentionduetotheirpotentialtoaddressenergystorageandheatmanagementchallenges.AmongvariousTEStechnologies,phase-changematerials(PCMs)standoutasanefficientandsustainableapproach.Thispaperfocusesonthemicrostructuralanalysisandthermalenergystorageperformanceofaluminium-siliconhigh-temperaturephase-changematerials.Theaimistounderstandtherelationshipbetweenthemicrostructureandthethermalbehaviorofthesematerials,whichcanleadtoimprovedenergystoragecapabilitiesforvariousapplications. 1.Introduction 1.1Background 1.2Purposeandobjectivesofthestudy 2.LiteratureReview 2.1OverviewofPhase-ChangeMaterialsforThermalEnergyStorage 2.2Aluminium-SiliconAlloysandTheirPotentialasPCMs 2.3PreviousstudiesonMicrostructuralInvestigationofAluminium-SiliconPCMs 2.4PreviousstudiesonThermalEnergyStoragePerformanceofAluminium-SiliconPCMs 3.Methodology 3.1MaterialSynthesisandPreparation 3.2MicrostructuralAnalysisTechniques 3.3ThermalCharacterizationTechniques 4.ResultsandDiscussion 4.1MicrostructuralEvaluationofAluminium-SiliconHigh-TemperaturePCMs 4.2InfluenceofMicrostructureonThermalEnergyStoragePerformance 4.3PhaseEquilibriumandMelting/CrystallizationBehaviorofAluminium-SiliconPCMs 4.4ThermalStabilityandCyclingPerformanceofAluminium-SiliconPCMs 5.Conclusion 5.1SummaryofFindings 5.2SignificanceoftheStudy 5.3FutureResearchDirections 6.References Introduction: Thermalenergystorage(TES)isakeycomponentofadvancedenergymanagementsystems,enablingtheefficientutilizationandstorageofexcessheat.Phase-changematerials(PCMs)haveemergedasapromisingalternativeforTESduetotheirabilitytostoreandreleasethermalenergyduringphasetransitions.Aluminium-siliconhigh-temperaturePCMshavereceivedconsiderableattentionduetotheirexcellentthermalconductivity,abundantavailability,andlowcost.However,acomprehensiveunderstandingofthe