平板集热太阳热电器件建模及结构优化

刘磊; 张锁良; 马亚坤; 吴国浩; 郑树凯; 王永青

doi:10.7498/aps.62.038802

摘要

太阳能热电转换是光伏效应外另一种直接将太阳辐射转变为电能的途径, 近年来已经成为太阳能利用的热点之一. 本文以Bi2Te3材料为基础构建平板集热太阳热电器件模型, 采用有限元法分析AM1.5辐射条件下器件温度分布情况, 并结合基于温度的物性参数计算集热比、热臂截面积与长度变化等因素对器件的开路电压、最大输出功率及转化效率的影响. 研究发现: 集热比与热臂长度的变化对器件性能有显著影响, 热臂截面积的变化对器件转化效率影响相对较弱; 在这一模型中, 平板集热太阳热电器件的转化效率达到1.56%.

关键词:

Abstract

Solar thermoelectric conversion is another way to convert solar radiation directly into electricity besides photovoltaic technology, and has become a new hot spot of solar energy utilization in recent years. In this paper a model of flat-panel thermal concentrated solar thermoelectric device is built based on the material of Bi2Te3. And finite element analysis is used to analyze the temperature distribution of the device under AM1.5 illumination. Furthermore, the influences of thermal concentration, cross section area and length of thermal legs on open voltage, maximum output power and conversion efficiency of the device are calculated based on temperature-dependent physical parameters. The results indicate that thermal concentration and length of thermal legs haved a significant influence on device performance, while the cross section area changes the conversion efficiency of device relatively weakly, and the conversion efficiency of the device reaches 1.56% in this model.

Keywords:

作者及机构信息

1.
河北大学电子信息工程学院, 保定 071002

基金项目: 国家自然科学基金 (批准号: 61204079);河北省自然科学基金 (批准号: F2011201045);河北省教育厅科学研究计划 (批准号: Z2010119)和河北大学自然科学研究计划 (批准号: 2009-171)资助的课题.

Authors and contacts

1.
College of Electronic and Information Engineering, Hebei University, Baoding 071002, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61204079), the Natural Science Foundation of Hebei Province, China (Grant No. F2011201045), the Research Project of Education Bureau of Hebei Province, China (Grant No. Z2010119) and the Natural Science Research Project of Hebei University, China (Grant No. 2009-171).

参考文献

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施引文献

[1]	Rowe D M 2006 Thermoelectrics Handbook Nano to Macro (1st Edn.) (New York: Taylor & Francis: CRC Press) p512
[2]	Snyder G J, Toberer E S 2008 Nature Materials 7 105
[3]	Mills D 2004 Solar Energy 76 19
[4]	Luque A, Hegedus S 2003 Handbook of Phovoltaic Science and Engineering (Chichester: Wiley) p11
[5]	Roeb M, Muller-Steinhagen H 2010 Science 329 773
[6]	Telkes M 1954 J. Appl. Phys. 25 765
[7]	Amatya R, Ram R 2010 J. Electron. Mater. 39 1735
[8]	Mgbemene C A, Duffy J, Sun H W, Onyegegbu S O 2008 ASME 2nd International Conference on Energy Sustainability collocated with the Heat Transfer Jacksonville, USA, August 10-14, 2008 p423
[9]	Li P, Cai L L, Zhai P C, Tang X, Zhang Q Z, Niino M 2010 J. Electron. Mater. 39 1522
[10]	Zhao Z L, Xu L Z, Yang T Q, Cui Q H 2010 Acta Energiae Solaris Sinica 31 620 (in Chinese) [赵在理, 徐林志, 杨天麒, 崔清华 2010 太阳能学报 31 620 ]
[11]	Kraemer D, Poudel B, Feng H P, Caylor C J, Yu B, Yan X, Ma Y, Wang X W, Wang D Z, Muto A, Menneth M, Mcenaney K, Chiesa M, Ren Z F, Chen G 2011 Nature Material 10 532
[12]	Dheepa J, Sathyamoorthy R, Velumani S 2007 J. New Mater. Electrochem Sys. 10 3
[13]	McEnaney K 2010 M. S. Dissertation (Cambridge: Massachusetts Institute of Technology)
[14]	Fan P, Cai Z K, Zheng Z H, Zhang D P, Cai X M, Chen T B 2011 Acta Phys. Sin. 60 098402 (in Chinese) [范平, 蔡兆坤, 郑壮豪, 张东平, 蔡兴民, 陈天宝 2011 60 098402]
[15]	Rowe D M 1995 Handbook of Thermoelectrics (1st Edn.) ( New York: CRC Press) p191
[16]	Jiang M B, Wu Z X, Zhou M, Huang R J, Li L F 2010 Acta Phys. Sin. 59 7314 (in Chinese) [蒋明波, 吴智雄, 周敏, 黄荣进, 李来风 2010 59 7314]
[17]	Liu Y S, Gu M A, Yang J J, Shi Q G, Gao T, Yang J H, Yang Z L 2010 Acta Phys. Sin. 59 7369 (in Chinese) [刘永生, 谷民安, 杨晶晶, 石奇光, 高湉, 杨金焕, 杨正龙 2010 59 7369]
[18]	Yang M J, Shen Q, Zhang L M 2011 Chin. Phys. B 20 106202
[19]	Zhang X, Ma X Y, Zhang F P, Wu P X, Lu Q M, Liu Y Q, Zhang J X 2012 Acta Phys. Sin. 61 047201 (in Chinese) [张忻, 马旭颐, 张飞鹏, 武鹏旭, 路清梅, 刘燕琴, 张久兴 2012 61 047201]
[20]	Chen S S, Wang S F, Liu F Q, Yan G Y, Chen J C, Wang J L, Yu W, Fu G S 2012 Chin. Phys. B 21 087306
[21]	Peranio N, Eibl O, Nurnus J 2006 J. Appl. Phys. 100 114306
[22]	Du B L, Xu J J, Yan Y G, Tang X F 2011 Acta Phys. Sin. 60 018403 (in Chinese) [杜保立, 徐静静, 鄢永高, 唐新峰 2012 61 098402]
[23]	Fan P, Zheng Z H, Liang G X, Zhang D P, Cai X M 2010 Acta Phys. Sin. 59 1243 (in Chinese) [范平, 郑壮豪, 梁广兴, 张东平, 蔡兴民 2010 59 1243]
[24]	Zhang Y Q, Shi Y, Pu L, Zhang R, Zheng Y D 2008 Acta Phys. Sin. 57 5198 (in Chinese) [张轶群, 施毅, 濮林, 张荣, 郑有炓 2008 57 5198]
[25]	Ren G Z, Liu Y, Ma H A, Su T C, Lin L J, Deng L, Jing Y P, Zheng S Z, Jia X P 2011 Chin. Phys. Lett. 28 048401
[26]	Zhu P W, ImaiI Y, Isoda Y, Shinohara Y, Jia X P, Zou G T 2005 Chin. Phys. Lett. 22 2103
[27]	Zhang Y, Wang X L, Yeoh W K, Zeng R K, Zhang C 2012 Appl. Phys. Lett. 101 031909
[28]	Zhang Y L, Mehta R J, Belley M, Liang H, Ganpati R, Theodorian B T 2012 Appl. Phys. Lett. 100 193113
[29]	Wang W, Huang Q H, Jia F L, Zhu J 2004 J. Appl. Phys. 96 615

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