几种储氢技术在氢燃料电池船舶应用的对比分析-豆柴文库

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几种储氢技术在氢燃料电池船舶应用的对比分析
Title:ComparativeAnalysisofHydrogenStorageTechnologiesforHydrogenFuelCellApplicationsinMaritimeShips
Introduction:
Hydrogenfuelcelltechnologyhasgainedsignificantattentionasasustainableandenvironmentallyfriendlyalternativeformaritimetransportation.However,oneofthekeychallengesinusinghydrogenasafuelsourceistheefficientstorageanddeliveryofhydrogenonboardships.Severalhydrogenstoragetechnologieshavebeendevelopedtoaddressthisissue.Thispaperaimstoprovideacomparativeanalysisofdifferenthydrogenstoragetechnologiesandtheirsuitabilityforuseinhydrogenfuelcell-poweredmaritimeships.
1.CompressedHydrogenGas(CHG)Storage:
Compressedhydrogengasstorageinvolvesstoringhydrogenathighpressures,typicallybetween300and700bar.Itisamatureandwidelyusedtechnologywithwell-establishedinfrastructure.CHGoffersarelativelyhighenergydensity,allowingforsufficientonboardstoragecapacity.However,itrequiresheavyandbulkystoragetanks,whichcanimpacttheship'sweightdistributionandoverallefficiency.Additionally,refuelingtimeislongercomparedtootherstoragemethods.
2.LiquidHydrogen(LH2)Storage:
Liquidhydrogenstorageinvolvesstoringhydrogeninitscryogenicliquidstateatextremelylowtemperaturesofaround-253°C.LH2offersahighenergydensity,providingagreateramountofstoredhydrogenperunitvolumecomparedtoCHG.However,theneedforcryogenicinsulationtomaintainlowtemperaturesandtheboil-offofhydrogencanresultinstoragelosses.LH2storagealsorequirescomplexhandlingproceduresandspecializedfuelinginfrastructure,makingitlesssuitableforwidespreadadoptioninmaritimeapplications.
3.MetalHydride(MH)Storage:
Metalhydridestorageutilizesthereversibleabilityofcertainmetalstoabsorbandreleasehydrogen.MHstoragesystemsofferhighvolumetrichydrogendensities,donotrequirehigh-pressuretanks,andcanoperateatnearambienttemperatures.Thesesystemsprovideimprovedsafetybyeliminatingtheneedforhigh-pressurestorage.However,MHstoragesuffersfromreducedgravimetrichydrogendensities,limitingitssuitabilityforlong-distancemaritimetransportation.
4.ChemicalHyd