Waste heat recovery in solid-state lighting based on thin film thermoelectric generators

被引：3
|
作者：
Szobolovszky, Robert [1 ,3 ]
Siffalovic, Peter [1 ]
Hodas, Martin [1 ]
Pelletta, Marco [1 ]
Jergel, Matej [1 ]
Sabol, Dusan [2 ]
Macha, Marek [2 ]
Majkova, Eva [1 ]
机构：
[1] Slovak Acad Sci, Inst Phys, Dubravska Cesta 9, Bratislava 84511, Slovakia
[2] iLumTech, Dojc 419, Dojc 90602, Slovakia
[3] Slovak Univ Technol Bratislava, Inst Elect & Photon, Ilkovicova 3, Bratislava 81219, Slovakia
来源：
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS | 2016年 / 18卷
关键词：
High-power light emitting diodes; Thermal management; Thermoelectric generator; POWER; DESIGN;
D O I：
10.1016/j.seta.2016.09.005
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The waste heat of high-power light emitting diodes (LEDs) is well localized and can be efficiently harvested in contrast to incandescent or fluorescent light sources. Compact thin film thermoelectric generators can accumulate the high-density heat flux from the LED chip and convert it into usable electrical power. We designed and analyzed a thermal management setup with high power LED and embedded thin film thermoelectric generators. The available thermal gradient of approximately 50 K allows conversion of the LED waste heat with an overall efficiency of 1%. We present an application of the active cooling powered by the harvested waste heat. The compact flat shape of the thin film thermoelectric generators allows an instant upgrade of the existing LED-based luminaries available on the market. (C) 2016 Elsevier Ltd. All rights reserved.
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页码：1 / 5
页数：5
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