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DNA-based recyclable moist-electric generator
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DOI：10.26599/FRICT.2025.9440927.png)
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摘要
En 中文
Recently developed moist-electric generator (MEG) can spontaneously produce electricity after absorbing water from the air, delivering an interesting and novel power harvesting process. The employment of environment-friendly biological substrates in MEGs has demonstrated the favorable electricity generation capacity, however, which always requires a careful cultivation process or gentle storage environment. In this regard, the extremely abundant DNA formed porous membrance is fabricated to construct a novel recyclable DNA based MEG (DNA-MEG) which produces a stable voltage of ca. 0.3 V with a current density of ca. 1.2 mu A center dot cm(-2), as well as a maximum power density of 0.36 mu W center dot cm(-2) at similar to 90 % relative humidity air. Interestingly, benefited from excellent water-solubility, this freeze-drying DNA membrance can be easily recycled after DNA-MEG damaged and the reborned device still shows favorable electricity generation performance. In addition, several DNA-MEGs in parallel or series can power up light-emitting diodes and so on for applications. This stable and recyclable DNA-MEG will provide new insights for moisture power generation device design and enlarge the practical regions greatly.
Keyword:
moist-electric generator (MEG)
DNA
biological substrates
electricity generation
期刊
IF:
8.2
论文数:
944
被引数:
5.9K
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