Triboelectric Nanogenerator Enhanced Nanofiber Air Filters for Efficient Particulate Matter Removal

被引：257
作者：
Gu, Guang Qin [1 ,2 ,3 ]
Han, Chang Bao [1 ,2 ]
Lu, Cun Xin [1 ,2 ,3 ]
He, Chuan [1 ,2 ]
Jiang, Tao [1 ,2 ]
Gao, Zhen Liang [1 ,2 ]
Li, Cong Ju [1 ,2 ]
Wang, Zhong Lin [1 ,2 ,4 ]
机构：
[1] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China
[2] Natl Ctr Nanosci & Technol NCNST, CAS Ctr Excellence Nanosci, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
来源：
ACS NANO | 2017年 / 11卷 / 06期
基金：
中国国家自然科学基金;
关键词：
triboelectric nanogenerator; electrospinning; polyimide nanofiber; particulate matter; air filter; POLLUTION EXPOSURE; ENERGY; CONJUNCTION; FILTRATION; CORONA; MODEL; LINES; HAZE;
D O I：
10.1021/acsnano.7b02321
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We developed a high-efficiency rotating triboelectric nanogenerator (R-TENG) enhanced polyimide (PI) nanofiber air filter for particulate matter (PM) removal in ambient atmosphere. The PI electrospinning nanofiber film exhibited high removal efficiency for the PM particles that have diameters larger than 0.5 mu m. When the R-TENG is connected, the removal efficiency of the filter is enhanced, especially when the particle diameters of the PM are smaller than 100 nm. The highest removal efficiency is 90.6% for particles with a diameter of 33.4 nm and the highest efficiency enhancement reaches 207.8% at the diameter of 76.4 nm where the removal efficiency enhanced from 27.1% to 83.6%. This technology with zero ozone release and low pressure drop offers an approach for air cleaning and haze treatment.
引用
收藏
页码：6211 / 6217
页数：7
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