Journal
NANO ENERGY
Volume 14, Issue -, Pages 217-225Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2014.12.013
Keywords
Air pollution; Triboelectric nanogenerator; Self-powered
Categories
Funding
- National Natural Science Foundation of China [51432005, 61204131]
- Program for New Century Excellent Talents in University [NCET-12-0610]
- Science and Technology Research Projects from Education Ministry [213002A]
- National Twelfth Five-Year Plan for Science & Technology Support [2011BAZ01B06]
- Beijing Natural Science Foundation of China [4141002]
- China Postdoctoral Science Foundation [2014M550031]
- Recruitment Program of Foreign Experts [Y4YR011001]
- Thousands Talents Program for Pioneer Researcher and his innovation team, China
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Air pollution is one of the major challenges faced by the human kind, but cleaning of air is a horrendous task and hugely expensive, because of its large scope and the cost of energy. Up to now, all of the air cleaning systems are generally driven by external power, making it rather expensive and infeasible. Here, we introduce the first self-powered air cleaning system focusing on sulfur dioxide (SO2) and dust removal as driven by the electricity generated by natural wind, with the use of rotating triboelectric nanogenerator (R-TENG). Distinguished from traditional approach of electrostatic precipitation by applying a voltage of thousand volt, our technology takes the advantages of high output voltage of R-TENG, typically in the order of a few hundreds volt. This self-powered air cleaning system not only adsorbs dust particles in air, but also oxidizes SO2 without producing byproducts. Therefore, it could be potential for easing the haze-fog situation, which is one of the most important directions in self-powered electrochemistry. (C) 2015 Elsevier Ltd. All rights reserved.
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