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Hydroelectric power plant on a paper strip

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Abstract

We exploit the combinatorial advantage of electrokinetics and tortuosity of a cellulose-based paper network on laboratory grade filter paper for the development of a simple, inexpensive, yet extremely robust (shows constant performance for 12 days) ‘paper-and-pencil’-based device for energy harvesting applications. We successfully achieve harvesting of a maximum output power of ∼640 pW in a single channel, while the same is significantly improved (by ∼100 times) with the use of a multichannel microfluidic array (maximum of up to 20 channels). Furthermore, we also provide theoretical insights into the observed phenomenon and show that the experimentally predicted trends agree well with our theoretical calculations. Thus, we envisage that such ultra-low cost devices may turn out to be extremely useful in energizing analytical microdevices in resource limited settings, for instance, in extreme point of care diagnostic applications.

Graphical abstract: Hydroelectric power plant on a paper strip

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Publication details

The article was received on 17 Dec 2017, accepted on 17 Apr 2018 and first published on 23 Apr 2018


Article type: Paper
DOI: 10.1039/C7LC01350G
Citation: Lab Chip, 2018, Advance Article
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    Hydroelectric power plant on a paper strip

    S. S. Das, S. Kar, T. Anwar, P. Saha and S. Chakraborty, Lab Chip, 2018, Advance Article , DOI: 10.1039/C7LC01350G

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