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Research Progress on AgSbTe_2-based Thermoelectric Materials 被引量：1

Research Progress on AgSbTe_2-based Thermoelectric Materials
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摘要 Thermoelectric power generation represents a class of energy conversion technology,which has been used in power supply of aeronautic and astronautic exploring missions,now showing notable advantages to harvest the widely distributed waste heat and convert the abundant solar energy into electricity at lower cost than Si based photovoltaic technology.Thermoelectric dimensionless figure of merit ZT plays a key role in the conversion efficiency from thermal to electrical energy.Low thermal conductivity and large Seebeck coefficient make the AgSbTe 2 compound a very promising candidate for high efficiency p-type thermoelectric applications.The AgSbTe2-based thermoelectric system has been repeatedly studied as prospective thermoelectric materials.In this review,we firstly clarify some fundamental tradeoffs dictating the ZT value through the relationship ZT =S 2 σT/κ.We also pay special attentions to the recent advances in AgSbTe2 based thermoelectric materials.Finally,we provide an outlook of new directions in this filed. Thermoelectric power generation represents a class of energy conversion technology, which has been used in power supply of aeronautic and astronautic exploring missions, now showing notable advantages to harvest the widely distributed waste heat and convert the abundant solar energy into electricity at lower cost than St-based photovoltaic technology. Thermoelectric dimensionless figure of merit ZT plays a key role in the conversion efficiency from thermal to electrical energy. Low thermal conductivity and large Seebeck coefficient make the AgSbTe2 compound a very promising candidate for high efficiency p-type thermoelectric applications. The AgSbTe2-based thermoelectric system has been repeatedly studied as prospective thermoelectric materials. In this review, we firstly clarify some fundamental tradeoffs dictating the ZT value through the relationship ZT =S2σT/k. We also pay special attentions to the recent advances in AgSbTe2-based thermoelectric materials. Finally, we provide an outlook of new directions in this filed.
作者 CAO Qigao MA Guang JIA Zhihua ZHENG Jing LI Jin
机构地区 Northwest Institute of Non-Ferrous Metal Research
出处 《贵金属》 CAS CSCD 北大核心 2012年第A01期48-58,共11页 Precious Metals
关键词 THERMOELECTRIC AgSbTe2 REVIEW thermoelectric AgSbTe2 review
分类号 TK5 [动力工程及工程热物理—热能工程]
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参考文献92

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贵金属
2012年 第A01期

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