Energy and Exergy Analyses of a Pyroelectric-Based Solar Energy Harvesting System

被引：9

作者：

Sharma, Manish ^{[1
]}

Vaish, Rahul ^{[1
]}

Chauhan, Vishal Singh ^{[1
]}

机构：

[1] Indian Inst Technol Mandi, Sch Engn, Mandi 175001, India

来源：

ENERGY TECHNOLOGY | 2015年 / 3卷 / 12期

关键词：

energy harvesting; exergy analysis; finite-element analysis; pyroelectrics; solar energy; RADIATION; CERAMICS;

D O I：

10.1002/ente.201500230

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This study is concerned with energy and exergy analyses of a solar energy harvesting system based on the pyroelectric effect. The [Bi-0.5(Na0.94K0.05Li0.016)(0.5)](0.95)Ba0.05TiO3 (BNKLBT) ceramic was studied in present investigation using finite-element analysis, and the power output was optimized for different load resistance and load capacitance values. The maximum power output obtained was 2.2 mu W across a load resistance of 50 M Omega and a 4.7 mu F load capacitor. Further exergy analysis was performed for the pyroelectric energy harvesting system. The maximum values for the electrical and thermal exergies obtained were 2.3 mu W and 37 mu W, respectively. Furthermore, the maximum obtained electrical and thermal exergy efficiencies were 0.00013% and 11.16%, respectively.

引用

页码：1271 / 1278

页数：8

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