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On the exploitability of thermo-charged capacitors

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  • D’Abramo, Germano

Abstract

Recently [G. D’Abramo, Phys. Lett. A 374 (2010) 1801] the concept of vacuum capacitor spontaneously charged harnessing the heat from a single thermal reservoir at room temperature has been introduced, along with a mathematical description of its functioning and a discussion on the main paradoxical feature that seems to violate the Second Law of Thermodynamics. In the present paper we investigate the theoretical and practical possibility of exploiting such a thermo-charged capacitor as voltage/current generator: we show that if very weak provisos on the physical characteristics of the capacitor are fulfilled, then a non-zero current should flow across the device, allowing the generation of potentially usable voltage, current and electric power out of a single thermal source at room temperature. Preliminary results show that the power output is tiny but non-zero.

Suggested Citation

  • D’Abramo, Germano, 2011. "On the exploitability of thermo-charged capacitors," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(3), pages 482-491.
    • Handle: RePEc:eee:phsmap:v:390:y:2011:i:3:p:482-491
    DOI: 10.1016/j.physa.2010.10.031
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