2023·11基础研究70ModernChemicalResearch当代化工研究储氢合金抗氧气毒化性能研究＊郑欣1孔汉阳2王绮玥昕3初德胜1胡发平1严义刚2*（1.云南电网有限责任公司电力科学研究院云南6502142.四川大学新能源与低碳技术研究院四川6102073.华侨大学福建362021）摘要：储氢合金受到杂质气体毒化可能导致性能下降。本文选取三种不同类型的储氢合金，包括AB5型、AB2型及钒基BCC型储氢合金，测试了其在50μL/L及100μL/L的氧气浓度下的吸放氢性能。其中AB5及AB2型储氢合金均表现出优异的抗氧气毒化性能，在两种氧气浓度气氛下性能几乎未衰减。而钒基储氢合金在50μL/L与100μL/LO2两种氧气浓度下均表现出明显的容量衰减，分别由1.86%衰减至1.60%及1.54%。对毒化后的钒基储氢合金采用在线高温真空再活化工艺，吸氢容量由1.54%恢复至1.69%，具备一定的毒化后再恢复效果。关键词：氢能；储氢合金；毒化；氧气；储氢性能；再活化中图分类号：TK91文献标识码：ADOI：10.20087/j.cnki.1672-8114.2023.11.021PoisoningofOxygenonHydrogenationPerformanceofDifferentHydrogenStorageAlloysZhengXin1,KongHanyang2,WangQiyuexin3,ChuDesheng1,HuFaping1,YanYigang2*（1.ElectricalScienceInstituteofYunnanPowerGridCo.,Ltd.,Yunnan,6502142.InstituteofNewEnergyandLow-CarbonTechnology,SichuanUniversity,Sichuan,6102073.HuaqiaoUniversity,Fujian,362021)Abstract：Thepoisoningofhydrogenstoragealloysbyimpuritygasesmayleadtothedecayofhydrogensorptionproperties.Inpresentstudy,thepropertiesofthreetypicalhydrogenstoragealloys,includingAB5-type,AB2-typeandvanadium-basedBCCalloys,underhydrogenatmospherewith50μL/Land100μL/Loxygenconcentrations,respectively,wereinvestigated.BothAB5-andAB2-typealloysshowexcellentresistancetotheoxygenpoisoning,withalmostnodecayinreversiblehydrogencapacities.Incontrast,thevanadium-basedBCCalloyshowssignificantcapacitydecay,from1.86%to1.60%and1.54%attheoxygenconcentrationsof50μL/Land100μL/L,respectively.ThehydrogenabsorptioncapacityofBCCalloyafterpoisoningcouldbepartiallyrestoredfrom1.54%to1.69%afteronlinereactivationunderelevatedtemperatureandvacuum.Keywords：hydrogenenergy；hydrogenstoragealloys；poisoningeffect；oxygen；hydrogenationproperties；re-activati...
