期刊
NANO LETTERS
卷 16, 期 6, 页码 3642-3649出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.6b00771
关键词
Air filtration; PM2.5; filter; nanofiber; high temperature; polyimide
Here, we developed high-efficiency (>99.5%) polyimide-nanofiber air filters for the high temperature PM2.5 removal. The polyimide nanofibers exhibited high thermal stability, and the PM2.5 removal efficiency was kept unchanged when temperature ranged, from 25-370 degrees C. These filters had high air flux with very low pressure drop. They could continuously work for >120 h for PM2.5 index >300. A field-test showed that they could effectively remove >99.5% PM particles from car exhaust at high temperature.
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