Journal
APPLIED ENERGY
Volume 83, Issue 7, Pages 687-704Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2005.06.004
Keywords
thermoelectric generator; dc-dc converter; SEPIC; MPPT
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This article describes a battery charger, which is powered by thermoelectric (TE) power modules. This system uses TE devices that directly convert heat energy to electricity to charge a battery. The characteristics of the TE module were tested at different temperatures. A SEPIC dc-dc converter was applied and controlled by a microcontroller with the maximum power point tracking (MPPT) feature. The proposed system has a maximum charging power of 7.99 W: that is better than direct charging by approximately 15%. The objectives are to study the principle of TE power generation and to design and develop a TE battery charger that uses waste heat or another heat source as the direct input power. (C) 2005 Elsevier Ltd. All rights reserved.
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