新能源材料新能源材料氢能及储氢材料氢能及储氢材料北航材料学院于荣海““绿色能源绿色能源””风吹全球风吹全球可再生资源可再生资源--------绿色能源绿色能源●●太阳能太阳能●●氢能氢能●●风能风能●●海洋能海洋能●●核能核能●●生物质能生物质能能源危机和环境恶化氢能与氢能经济氢能1.直接燃烧：代替煤、天然气等；2.镍氢电池：二次电池；3.核聚变反应堆：氚工厂；4.燃料电池原料；5.……电子电能氧气废水热氢气质子阳极阴极聚合物隔膜单一电池氢能社会构想氢能—清洁、可持续制氢氢能利用氢的储存输送气态、液态、固态储氢合金、碳纳米管、NaAl、金属有机化合物一次能源氢能利用与储氢合金电池汽车热泵传感器电解、光催化储氢材料HydrogenStorageMaterialsHydrogenstorageinliquidstatehashighstoragecapacity,butitresumesalotofenergyinliquationandlowtemperaturekeeping,therefore,theenergyutilizationefficiencyislow.HydrogenstorageinliquidHydrogenstorageinliquidstatestate35and70MPa35and70MPacompressedhydrogencompressedhydrogengascylindersgascylinders100MPacompressedH2cylinderisalsobeingdeveloped.Thehydrogenstorageisabout2.7%at35MPaand5.5mass%at70MPa.Dangerous!HydrogenstoragepropertiesRequirementCapacity(mass%)>6%Capacity(g/l)>60Hydrogenabsorptionrate<5minHydrogendesorptionrate<3hplateauspressureNearseveralBaratroomtemp.SecurityNoignition,explosion,poisonCycliclife>500Workingtemperature25-100oCRequirementsforhydrogenstorageRequirementsforhydrogenstoragematerialsmaterialsTypes/PropertiesAB5AB2ABA2BLaNi5(Mm,ML)ZrM2,TiM2(M:Mn,Ni,V)TiFeMg2NiStoragecapacity(mass%)1.4%Low1.8~2.4%1.86%3.6%HighActivationEasyDifficultinfirstprocessDifficultDifficultStoragerateFastatroomTemp.Absorptionanddesorptionatroomtemp.Absorptionanddesorptionatroomtemp.lowratesWorkingtemp.>300C.CycliclifeExcellentPoorPoorFineStabilityExcellentFineWeakFineCostHighCheapCheapQuitecheapIntermetalliccompoundsandtheirhydrogen-storageIntermetalliccompoundsandtheirhydrogen-storagepropertiespropertiesMg-basedMg-basedcompoundscompoundsCompoundsHydrogenstoragecapacity（wt%）Mg2NiH43.6Mg2CoH54.3Mg2Cu2.4Mg2FeH65.5MgH27.7Volumeforstorageof4kgH2indifferentstatesFo...
