期刊
NATURE COMMUNICATIONS
卷 12, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41467-021-25046-z
关键词
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资金
- National Key R & D Project from Minister of Science and Technology [2016YFA0202701]
- National Natural Science Foundation of China [61774016, 51432005, 5151101243, 51561145021]
- China Postdoctoral Science Foundation [2019TQ0361, 2020M672962]
This study provides a set of rules for selecting triboelectric materials for DC-TENG, with polyvinyl chloride selected as the triboelectric layer, achieving a high effective charge density in microstructure-designed DC-TENG. This work offers a basic guideline for triboelectric materials selection and promotes the practical applications of DC-TENG.
The rapid development of Internet of Things and artificial intelligence brings increasing attention on the harvesting of distributed energy by using triboelectric nanogenerator (TENG), especially the direct current TENG (DC-TENG). It is essential to select appropriate triboelectric materials for obtaining a high performance TENG. In this work, we provide a set of rules for selecting the triboelectric materials for DC-TENG based on several basic parameters, including surface charge density, friction coefficient, polarization, utilization rate of charges, and stability. On the basis of the selection rules, polyvinyl chloride, used widely in industry rather than in TENG, is selected as the triboelectric layer. Its effective charge density can reach up to similar to 8.80 mC m(-2) in a microstructure-designed DC-TENG, which is a new record for all kinds of TENGs. This work can offer a basic guideline for the triboelectric materials selection and promote the practical applications of DC-TENG.
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