Material selection and performance optimization strategies for a wearable friction nanogenerator (W-TENG)
JOURNAL OF MATERIALS CHEMISTRY A(2023)
摘要
With developments in science and technology, wearable electronic products are increasingly used in daily lives. The growing demand for energy highly necessitates developing new energy sources. As a modification of traditional friction nanogenerators (TENGs), wearable friction nanogenerators (W-TENGs) can convert mechanical energy from human movements into electricity. The working principle and primary working mode of the W-TENG are elucidated in this paper. The triboelectric materials commonly used for W-TENGs are selected based on the type of friction materials to achieve a better triboelectric output. To improve the triboelectric output, some optimization suggestions for triboelectric materials are put forward: increasing the surface charge density and reducing the decline in triboelectric charge to enhance the output performance of the W-TENG fundamentally. Finally, the prospects and challenges of the W-TENG are analyzed, and it is hoped that this review can promote the development of the W-TENG and provide clean and sustainable energy solutions for wearable bioelectronic systems. This review summarizes the research progress of wearable friction nanogenerators (W-TENG). Its perspective comprehensively covers the friction layer, the electrodes, and strategies for improving the triboelectric output of the W-TENG.
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关键词
friction,material selection,w-teng
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