Ti_2Be_3材料中低温热电性能研究及优化  

Investigation and optimization on performance of Ti_2Be_3 material in the low temperature

作　　者：林涛[1] 王长宏[1] 黄炯桐 

机构地区：[1]广东工业大学材料与能源学院,广州510006

出　　处：《功能材料》2016年第1期1093-1096,共4页Journal of Functional Materials

基　　金：国家自然科学基金青年科学基金资助项目(51306040);广东省科技计划资助项目(2014A010106027)

摘　　要：以半导体热电模块为研究对象,通过实验研究和数值模拟的方法,对热电模块及系统的输出性能、结构参数进行实验测试与模拟分析。结果表明,所研究的细长比m=0.5时,热电偶对的输出功率为5mW;m=1.5时,输出功率为3.38mW。在设计热电模块的过程中,综合考虑细长比m对导热性、导电性能的影响有利于实现输出功率最大化,为在太阳能利用、工业废热利用等领域的应用提供可能。Using semiconductor thermoelectric system as the research object,we have the output performance and the structure parameter of the thermoelectric module and system tested and simulation analysed through experimental study and numerical simulation methods.The results show that when the slenderness ratio mof the research was 0.5,the output power of the thermocouple was 5mW;when m was 1.5,the output power was3.38 mW.In the process of the design on thermoelectric module,considering the effect of long and thin ratio on the thermal conductivity and electrical conductivity was beneficial to realize the maximization of the output power.Which provide application possibility for the solar energy utilization and industrial waste heat utilization and other fields.

关 键 词：热电 Ti2Be3 细长比 热电性能 数值模拟 

分 类 号：TB301[一般工业技术—材料科学与工程]