冷凍干燥法制氣凝膠VIP

AdvancedMaterialsPreparedbyFreeze dryingtechnique UniversityofScienceandTechnologyofChina Contents Whatisthelightestmaterialintheworld HaiyanS ZhenX ChaoG AdvancedMaterials 2013 25 2554 2560 Multifunctional Ultra Flyweight SynergisticallyAssembledCarbonAerogels CNTsaqueousdispersion1 0mg ml 28ml GGOaqueousdispersion1 0mg ml 28ml Mixing Stiringfor1 5h HaiyanS ZhenX ChaoG AdvancedMaterials 2013 25 2554 2560 mixture mold freeze dryingfor2d chemicallyreducedbyN2H4vaporat90 for24h vacuum dryingat160 for24h HaiyanS ZhenX ChaoG AdvancedMaterials 2013 25 2554 2560 HaiyanS ZhenX ChaoG AdvancedMaterials 2013 25 2554 2560 d c e f HaiyanS ZhenX ChaoG AdvancedMaterials 2013 25 2554 2560 冷凍干燥 Freeze drying 又稱真空冷凍干燥 凍結(jié)干燥 凍干 FD 1811年誕生 用于生物體脫水1890年醫(yī)學(xué)上的首次應(yīng)用 凍干了一批生物器官1932年引入真空設(shè)備 在生物制品 藥劑以及食品領(lǐng)域迅猛發(fā)展1935年干燥的過程采用主動(dòng)加熱 開始應(yīng)用到工業(yè)生產(chǎn)1965年首先采用凍干技術(shù)制備出金屬超細(xì)粉末如今在超導(dǎo)材料 超細(xì)金屬粉末 精細(xì)陶瓷 催化劑 高能電池以及薄膜材料等領(lǐng)域都得到了廣泛的應(yīng)用 孫啟達(dá) 冷凍干燥超細(xì)粉體技術(shù)及應(yīng)用 M 化學(xué)工業(yè)出版社 2006 HistoryofFreeze drying Phasediagramofsalt watersystem Highlyelasticgrapheneoxide epoxycompositeaerogelsviasimplefreeze dryingandsubsequentroutinecuring ShibingYeetal J Mater Chem A 2013 1 3495 3502 SEMimagesof aandb GOAand candd GEA 9 MultifunctionalGraphene Platinum Nafion 全氟磺酸 Hybrids LuisEstevezetal J Am Chem Soc 2011 133 6122 6125 MultifunctionalGraphene Platinum NafionHybridsviaIceTemplating JustinE Silpe etal Langmulr 2013 29 8782 8787 Freeze drying AntibubblesfabricatedbyFreeze dryingmethod Freeze dryingsynthesisofLi3V2 PO4 3 Ccathodematerial Theas preparedmaterialshowsauniformparticlesizedistributionandtheparticlesizeismuchsmallerthan300nm thecompositedeliveredareversiblecapacityof125 2mAhg 1withoutobviouslyfadingafter100cycles QiaoYQ WangXL MaiYJ etal JournalofAlloysandCompounds 2012 536 132 137 徐如人 龐文琴 霍啟升 無機(jī)合成與制備化學(xué) M 高等教育出版社 2009 Prepareultra finepowder Adavantages Canbeobtainedinahomogeneousmixtureofthecomponentsinsolution suitableforaddingtracecomponents synthesizecomplexfunctionalceramicmaterialsnanoparticles Sizeofnanoparticlesrangefrom1nmto50nm Easytooperateandgoodinthepreparationofhighpurityceramicmaterial Disadvantages Efficiencyisrelativelylow corrosivegasimpactthelifeoftheequipment TheprincipleofFreeze dryingtechniqueSynthesisofAdvancedMaterialsbyFreeze dryingtechniquehasmanyAdvantages template freesimpleretaintheoriginalstructurescalablefabricationEnlightenment newwineinanoldbottle newconceptsinanoldframework 孫啟達(dá) 冷凍干燥超細(xì)粉體技術(shù)及應(yīng)用 M 化學(xué)工業(yè)出版社 2006徐如人 龐文琴 霍啟升 無機(jī)合成與制備化學(xué) M 高等教育出版社 2009 HanY XuZ GaoC Ultrathingraphenenanofiltrationmembraneforwaterpurification J AdvancedFunctionalMaterials 2013 EstevezL KelarakisA GongQ etal Multifunctionalgraphene platinum nafionhybridsviaicetemplating J JournaloftheAmericanChemicalSociety 2011 133 16 6122 6125 MecklenburgM SchuchardtA MishraYK etal Aerographite UltraLightweight FlexibleNanowall CarbonMicrotubeMaterialwithOutstandingMechanicalPerformance J AdvancedMaterials 2012 24 26 3486 3490 SchaedlerTA Jaco