期刊
SENSORS
卷 23, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/s23094195
关键词
dehydrated nopal powder; energy harvesting; green energy; triboelectric nanogenerator; vibrations
Researchers have developed a portable triboelectric nanogenerator (NOP-TENG) based on dehydrated nopal powder, which can convert green energy into electrical energy. This nanogenerator can be used for Internet-of-Things devices and offers a more sustainable alternative to chemical batteries. It has a simple structure, easy manufacturing process, stable electric behavior, and cost-effective output performance.
Triboelectric nanogenerators (TENGs) based on organic materials can harvest green energy to convert it into electrical energy. These nanogenerators could be used for Internet-of-Things (IoT) devices, substituting solid-state chemical batteries that have toxic materials and limited-service time. Herein, we develop a portable triboelectric nanogenerator based on dehydrated nopal powder (NOP-TENG) as novel triboelectric material. In addition, this nanogenerator uses a polyimide film tape adhered to two copper-coated Bakelite plates. The NOP-TENG generates a power density of 2309.98 mu W center dot m(-2) with a load resistance of 76.89 M Omega by applying a hand force on its outer surface. Furthermore, the nanogenerator shows a power density of 556.72 mu W center dot m(-2) with a load resistance of 76.89 M Omega and under 4g acceleration at 15 Hz. The output voltage of the NOP-TENG depicts a stable output performance even after 27,000 operation cycles. This nanogenerator can light eighteen green commercial LEDs and power a digital calculator. The proposed NOP-TENG has a simple structure, easy manufacturing process, stable electric behavior, and cost-effective output performance. This portable nanogenerator may power electronic devices using different vibration energy sources.
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