Title of article :
Synthesis, Morphology, and Hydrogen Absorption Properties ofTiVMn and TiCrMn Nanoalloys with a FCC Structure
Author/Authors :
Li, Jianding InstituteofAppliedPhysicsandMaterialsEngineering(IAPME) - UniversityofMacau, Macau , Li, Bo InstituteofAppliedPhysicsandMaterialsEngineering(IAPME) - UniversityofMacau, Macau , Shao, Huaiyu InstituteofAppliedPhysicsandMaterialsEngineering(IAPME) - UniversityofMacau, Macau , Li, Wei InstituteofAdvancedWear&CorrosionResistanceandFunctionalMaterials - JinanUniversity - Guangzhou , China , Lin, Huaijun InstituteofAdvancedWear&CorrosionResistanceandFunctionalMaterials - JinanUniversity - Guangzhou , China
Abstract :
TiVMnandTiCrMnalloysarepromisinghydrogenstoragematerialsforonboardapplicationduetotheirhighhydrogenabsorptioncontent.However,thetraditionalsynthesismethodofmeltingandcontinuousnecessaryheattreatmentandactivationprocessareenergy-andtime-consuming.ThereisrarelyanyreportonkineticsimprovementandnanoprocessinginTiVMn-andTiCrMn-basedalloys.Here,throughballmillingwithcarbonblackasadditive,wesynthesizedface-centeredcubic(FCC)structureTiVMn-andTiCrMn-basednanoalloyswithmeanparticlesizesofaroundafewtotensofμmandwiththecrystallitesizejust10to13nm.Differentialscanningcalorimetry(DSC)measurementsunderhydrogenatmosphereofthetwoobtainedTiVMnandTiCrMnnanoalloysshowmuchenhancementonthehydrogenabsorptionperformance.Themechanismofthepropertyimprovementandthedifferenceinthetwosampleswerediscussedfrommicrostructureandmorphologyaspects.Thestudyheredemonstratesanewpotentialmethodologyfordevelopmentofnext-generationhydrogenabsorptionmaterials.
Keywords :
Synthesis , Morphology , Hydrogen Absorption Properties , TiVMn and TiCrMn , Nanoalloys , FCC Structure , DSC
