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Batteries 2017, 3(4), 31; doi:10.3390/batteries3040031

Spontaneous Generation of Electromotive Force in Thin Film Al/Nanosilicon/Al Structures

1
Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, Moscow 119234, Russia
2
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow 119333, Russia
*
Author to whom correspondence should be addressed.
Received: 8 September 2017 / Revised: 27 September 2017 / Accepted: 7 October 2017 / Published: 10 October 2017
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Abstract

Contemporary pursuits in electronics include the miniaturization as well as flexibilization of devices. Although there are a large number of different thin and flexible electrochemical batteries, only a few can boast the possibility of working in high humidity conditions. This paper reports on the fabrication of structures consisting of films of silicon nanoparticles encased between two aluminium electrodes. The value of electromotive force (emf) measured depends on the temperature of the sample and on the pressure of water vapor in the storage atmosphere and reaches approximately 1 V. Volt-ampere characteristics were investigated at different conditions to yield a model of emf generation in these structures. It was found that the reaction of water with silicon nanoparticles is the prime reason behind emf generation. Such a source may be introduced into electronic paper, and employed in the next generation of smart cards. The structure may also be manufactured directly on the surface of silicon chips, such as on the back of crystals in microschemes. View Full-Text
Keywords: thin film battery; nanosilicon; silicon-water element; spontaneous emf generation thin film battery; nanosilicon; silicon-water element; spontaneous emf generation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dorofeev, S.G.; Kononov, N.N.; Bubenov, S.S.; Kotin, P.A.; Zolotykh, A.N.; Grigoriev, D.V. Spontaneous Generation of Electromotive Force in Thin Film Al/Nanosilicon/Al Structures. Batteries 2017, 3, 31.

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