Charging capacitors from thermal fluctuations using diodes
We theoretically consider a graphene ripple as a Brownian particle coupled to an energy storage circuit. When circuit and particle are at the same temperature, the second law forbids harvesting energy from the thermal motion of the Brownian particle, even if the circuit contains a rectifying diode....
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creator | Thibado, P M Neu, J C Kumar, Pradeep Singh, Surendra Bonilla, L L |
description | We theoretically consider a graphene ripple as a Brownian particle coupled to an energy storage circuit. When circuit and particle are at the same temperature, the second law forbids harvesting energy from the thermal motion of the Brownian particle, even if the circuit contains a rectifying diode. However, when the circuit contains a junction followed by two diodes wired in opposition, the approach to equilibrium may become ultraslow. Detailed balance is temporarily broken as current flows between the two diodes and charges storage capacitors. The energy harvested by each capacitor comes from the thermal bath of the diodes while the system obeys the first and second laws of thermodynamics. |
doi_str_mv | 10.48550/arxiv.2308.09083 |
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The energy harvested by each capacitor comes from the thermal bath of the diodes while the system obeys the first and second laws of thermodynamics.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2308.09083</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Brownian motion ; Capacitors ; Diode rectifiers ; Diodes ; Energy harvesting ; Energy storage ; Graphene ; Physics - Mesoscale and Nanoscale Physics ; Physics - Statistical Mechanics ; Thermal baths</subject><ispartof>arXiv.org, 2023-08</ispartof><rights>2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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subjects | Brownian motion Capacitors Diode rectifiers Diodes Energy harvesting Energy storage Graphene Physics - Mesoscale and Nanoscale Physics Physics - Statistical Mechanics Thermal baths |
title | Charging capacitors from thermal fluctuations using diodes |
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