一种温差电器件的发电性能分析研究  

Analysis of the generating ability of the thermoelectric conversion device

作　　者：钱剑锋[1] 杨灿军[1] 

机构地区：[1]浙江大学机械电子控制工程研究所,浙江杭州310027

出　　处：《电源技术》2005年第7期459-461,465,共4页Chinese Journal of Power Sources

基　　金：国家自然科学基金资助项目(50275135);国家863计划资助项目(2002AA404040)

摘　　要：BiTe合金是低温热电发电材料的一种典型材料。为获得其在室温范围内的发电方面的热电性能,采用一种BiTe合金材料,制备了多种规格的温差电器件,通过实验研究了该器件在不同温度下的电阻、电压、赛贝克系数等热电性能,给出了其随温度变化的线性近似方程,求得相关的经验参数。在此基础上,推导出最大输出功率的近似数学表达式,并进行了试验验证,实验结果表明近似方程与实际测量结果相吻合。BiTe alloy is a typical low temperature thermoelectric materials.To obt ain the thermoelectric properties for generating at ambient temperature, several different specifications thermoelectric conversion device with a kind of BiTe a lloys were manufactured.Thermoelectric properties such as resistance, voltage an d Seebeck coefficient in a range of temperature were described and the linear eq uations of thermoelectric properties with the temperature were provided to obtai n the correlative empirical parameters. An approximate expression of the max out put power was derived from it and validated. The experimental results indicate t hat the expression tallies with the actual test result.

关 键 词：热电材料 温差电器件 热电性能 最大功率 

分 类 号：TM910.4[电气工程—电力电子与电力传动]