Current-generating ‘double layer shoe’ with a porous sole
File(s)
Accepted version
OA Location
Author(s)
Kolomeisky, AB
Kornyshev, AA
Type
Journal Article
Abstract
We present a principle and a simple theory of a novel reverse electroactuator, in which the electrical current is
generated by pumping of an electrolytic liquid into nonwetting pores of a polarized electrode. The theory
establishes the relationship between the variation of external pressure and the electrical current. The effective
current density is amplified by high porosity of the electrode. The suggested principle can be implemented
into a design of a shoe which will be generating an AC current simply by walking. Estimates of typical
parameters and operation regimes of such device suggest that one can easily generate a peak current density
of ~17 mA/cm2. This would produce some 1.7 A from each shoe at 0.65 W average power density, without
hampering walking.
generated by pumping of an electrolytic liquid into nonwetting pores of a polarized electrode. The theory
establishes the relationship between the variation of external pressure and the electrical current. The effective
current density is amplified by high porosity of the electrode. The suggested principle can be implemented
into a design of a shoe which will be generating an AC current simply by walking. Estimates of typical
parameters and operation regimes of such device suggest that one can easily generate a peak current density
of ~17 mA/cm2. This would produce some 1.7 A from each shoe at 0.65 W average power density, without
hampering walking.
Date Issued
2016-09-14
Date Acceptance
2016-04-27
Citation
Journal of Physics: Condensed Matter, 2016, 28
ISSN
0953-8984
Publisher
IOP Publishing
Journal / Book Title
Journal of Physics: Condensed Matter
Volume
28
Copyright Statement
©2016 IOP Publishing Ltd.
Subjects
Fluids & Plasmas
0204 Condensed Matter Physics
0912 Materials Engineering
1007 Nanotechnology
Publication Status
Published
Article Number
464009