journal article·2017-03-01Open access

Mechanical, Thermal, and Electrical Energy Storage in a Single Working Body: Electrification and Thermal Effects upon Pressure-Induced Water Intrusion–Extrusion in Nanoporous Solids

Yaroslav Grosu, Michał Mierzwa, Valentine A. Eroshenko, Sebastian Pawlus, Mirosław Chorażewski, Jean-Marie Nedelec, Jean-Pierre E. Grolier

Abstract

This paper presents the first experimental evidence of pronounced electrification effects upon reversible cycle of forced water intrusion-extrusion in nanoporous hydrophobic materials. Recorded generation of electricity combined with high-pressure calorimetric measurements improves the energy balance of {nanoporous solid + nonwetting liquid} systems by compensating mechanical and thermal energy hysteresis in the cycle. Revealed phenomena provide a novel way of "mechanical to electrical" and/or "thermal to electrical" energy transformation with unprecedented efficiency and additionally open a perspective to increase the efficiency of numerous energy applications based on such systems taking advantage of electricity generation during operational cycle.
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Research context

OpenAlex topics: Supercapacitor Materials and Fabrication · Thermal properties of materials · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Université Clermont Auvergne, CNRS, SIGMA Clermont, ICCF, F-63000, Clermont-Ferrand, France

CIC Energigune, Albert Einstein 48, Miñano (Álava) 01510, Spain

Laboratory of Thermomolecular Energetics, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Pr. Peremogy 37, 03056 Kyiv, Ukraine

Silesian Center for Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1A, 41-500 Chorzow, Poland

Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland

Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland

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