A droplet-based multi-position and multi-layered triboelectric nanogenerator for large-scale raindrop energy harvesting
Yaowen Yang,
Bao Cao,
Chao Yang,
Zixun Wang,
Haonan Zhang,
Lin Fang,
Wen He,
Peihong Wang
Affiliations
Yaowen Yang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Bao Cao
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Chao Yang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Zixun Wang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Haonan Zhang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Lin Fang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Wen He
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
Peihong Wang
School of Materials Science and Engineering, Energy Materials and Devices Key Lab of Anhui Province for Photoelectric Conversion, Anhui University, Hefei, Anhui 230601, People’s Republic of China
The triboelectric nanogenerator (TENG) is an emerging technology proven to have great potential in rainwater energy harvesting. However, most studies have focused only on single-position droplets, and there needs to be more research on multi-position, large-scale rainwater energy. In this work, we develop a multi-position and multi-layered triboelectric nanogenerator (MM-TENG) for large-scale raindrop energy harvesting. The multi-position structure can harvest multiple droplets in the horizontal direction. The water reservoir with multiple holes can convert a large amount of water into droplets, ensuring the output performance of the TENG. The multi-layered structure improves the efficiency of space utilization, as demonstrated by the current integration calculation, where a double-layered structure increases the output by 15.27% and a three-layered structure increases the output by 38.2% at the same height. Finally, we successfully lit up 50 LEDs and drove a commercial calculator with the power generated by the MM-TENG. This work provides a practical guide for collecting large-scale raindrop energy and self-driven sensing of the rainwater environment.
