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氢化燃烧合成与机械球磨复合制备镁基储氢材料的任务书.docx

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氢化燃烧合成与机械球磨复合制备镁基储氢材料的任务书 TaskDescription:HydrogenationCombustionSynthesisandMechanicalBall-MillingCompositePreparationofMagnesium-BasedHydrogenStorageMaterials Introduction: Hydrogenenergyhasbeenrecognizedasoneofthemostpromisingsourcesofrenewableenergyduetoitshighenergycontentandcleancombustion.Oneofthemainchallengesinthefieldofhydrogenenergyisthesafeandefficientstorageandtransportationofhydrogenfuel.Magnesium-basedmaterialsareconsideredaspromisingcandidatesforhydrogenstorageduetotheirhighhydrogenstoragecapacity,lowcost,andabundance.However,thepracticalapplicationsofmagnesium-basedhydrogenstoragematerialsarestilllimitedbytheirslowhydrogenationanddehydrogenationkinetics,poorcyclingstability,andlowthermalstability.Toovercomethesechallenges,varioussynthesisandprocessingmethodshavebeendeveloped,amongwhichhydrogenationcombustionsynthesisandmechanicalball-millingcompositepreparationappeartobepromisingmethodsthatcanenhancethehydrogenstoragepropertiesofmagnesium-basedmaterials. TaskOverview: Thepurposeofthistaskistoinvestigatethesynthesisandprocessingofmagnesium-basedhydrogenstoragematerialsthroughhydrogenationcombustionsynthesisandmechanicalball-millingcompositepreparation.Theprimaryobjectivesofthistaskareasfollows: 1.Tosynthesizemagnesium-basedhydrogenstoragematerialsthroughhydrogenationcombustionsynthesisandevaluatetheirhydrogenstorageproperties. Hydrogenationcombustionsynthesisisanovelandefficientmethodofsynthesizingmaterialsthroughtheexothermicreactionbetweenametalandhydrogen.Tosynthesizemagnesium-basedhydrogenstoragematerialsthroughhydrogenationcombustionsynthesis,themagnesiumpowderwillbemixedwithdifferentadditivesandthenignitedinahydrogenatmosphere.Thehydrogenationpropertiesofthesynthesizedmaterialswillbeevaluatedthroughhydrogenationanddehydrogenationexperiments. 2.Topreparemagnesium-basedhydrogenstoragematerialsthroughmechanicalball-millingcompositepreparationandevaluatetheirhydrogenstorageproperties. Mechanicalball-millingcompositepreparationisaneffectivemethodofp