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Experimental investigation of a novel heat pipe thermoelectric generator for waste heat recovery and electricity generation
Tang, SM; Wang, CL; Liu, X; Su, GH; Tian, WX; Qiu, SZ; Zhang, QH; Liu, RH; Bai, SQ
2020-07-01
Source PublicationINTERNATIONAL JOURNAL OF ENERGY RESEARCH
ISSN0363-907X
Issue9Pages:7450
SubtypeArticle
AbstractWaste heat recovery helps reduce energy consumption, decreases carbon emissions, and enhances sustainable energy development. In China, energy-intensive industries dominate the industrial sector and have significant potential for waste heat recovery. We propose a novel waste heat recovery system assisted by a heat pipe and thermoelectric generator (TEG) namely, heat pipe TEG (HPTEG)?to simultaneously recover waste heat and achieve electricity generation. Moreover, the HPTEG provides a good approach to bridging the mismatch between energy supply and demand. Based on the technical reserve on high-temperature heat pipe manufacturing and TEG device integration, a laboratory-scale HPTEG prototype was established to investigate the coupling performances of the heat pipes and TEGs. Static energy conversion and passive thermal transport were achieved with the assistance of skutterudite TEGs and potassium heat pipes. Based on the HPTEG prototype, the heat transfer and the thermoelectric conversion performances were investigated. Potassium heat pipes exhibited excellent heat transfer performance with 95% thermal efficiency. The isothermality of such a heat pipe was excellent, and the heat pipe temperature gradient was within 15 degrees C. The TEG's thermoelectric conversion efficiency of 7.5% and HPTEG's prototype system thermoelectric conversion efficiency of 6.2% were achieved. When the TEG hot surface temperature reached 625 degrees C, the maximum electrical output power of the TEG peaked at 183.2 W, and the open-circuit voltage reached 42.2 V. The high performances of the HPTEG prototype demonstrated the potential of the HPTEG for use in engineering applications.
DOI10.1002/er.5465
WOS KeywordPOWER-GENERATION
Language英语
WOS Research AreaEnergy & Fuels ; Nuclear Science & Technology
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28108
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Tang, SM,Wang, CL,Liu, X,et al. Experimental investigation of a novel heat pipe thermoelectric generator for waste heat recovery and electricity generation[J]. INTERNATIONAL JOURNAL OF ENERGY RESEARCH,2020(9):7450.
APA Tang, SM.,Wang, CL.,Liu, X.,Su, GH.,Tian, WX.,...&Bai, SQ.(2020).Experimental investigation of a novel heat pipe thermoelectric generator for waste heat recovery and electricity generation.INTERNATIONAL JOURNAL OF ENERGY RESEARCH(9),7450.
MLA Tang, SM,et al."Experimental investigation of a novel heat pipe thermoelectric generator for waste heat recovery and electricity generation".INTERNATIONAL JOURNAL OF ENERGY RESEARCH .9(2020):7450.
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