Mechanica Propertiesl
Low Density
Aerogel
Electrical Conducti
vities
Large open pores and
High internal surface
area
Thermal Acoustic
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PPT学习交流
4
Multifunctional, Ultra-Flyweight, Synergistically Assembled Carbon Aerogels
Freeze-drying
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PPT学习交流 Justin E.Silpe, et al. Langmulr , 2013 , 29: 87821-58787.
Freeze-drying synthesis of Li3V2 (PO4 )3 /C cathode material
The as-prepared material shows a uniform particle size distribution and the particle size is much smaller than 300 nm.
vacuum-drying at 160℃ for 24 h
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HaiyPaPnT学S,习交Zh流en X,Chao G. Advanced Materials. 2013, 25:25547-2560.
2. hesis of UFA
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HaiyPaPnT学S,习交Zh流en X,Chao G. Advanced Materials. 2013, 25:25548-2560.
冷冻干燥(Freeze-drying)又称真空冷冻干燥、冻结干燥、冻干(FD)。 1811年 诞生,用于生物体脱水 1890年 医学上的首次应用,冻干了一批生物器官 1932年 引入真空设备,在生物制品、药剂以及食品领域迅猛发展 1935年 干燥的过程采用主动加热,开始应用到工业生产 1965年 首先采用冻干技术制备出金属超细粉末