Abstract
Authors have methodically investigated the alternative energy technologies based upon thermoelectricity generation. Firstly, its power is systematically investigated under various work conditions in thermoelectric applications. In addition, they have modelled, designed, and constructed the thermoelectric power system. Moreover, they have invented a state-of-the-art table-top instrument that may evaluate several critical thermoelectric characters in situ. Several aspects of the thermoelectric features are characterized in situ that include the efficiency, force response curve, current-voltage (i.e., I-V) curve, power-voltage (P-V) curve, and the power versus temperature (P-T) responses. Furthermore, they have successfully built a high-power heat harvester and have applied to the automotive case study in details. Finally, they have obtained the multi-stack thermoelectric devices that have improved characters; e.g., both the power output and the thermoelectric efficiency have improved in comparison to the devices commercially available. The investigation leads to 19+% efficiency in triple stack devices and 10+% in dual-stack.
Highlights
IntroductionIf the thermoelectric modules (TEM) technology is to be commercially successful in the field of large scale power generation, one significant factor is that the efficiency should achieve some system level, for example, that ZT >=2.0 in order to reach an efficiency of about 20%
In order to reduce the greenhouse gases emissions problem and to address the climate change issue, a huge cooperative effort has been achieved through the hallmark of the Paris Agreement (Agreement) [1]
Figure 1b) shows a typical thermoelectric modules (TEM) that integrates a large number of TE devices for a power generation type; Figure 1c) is an actual TE power system where the thermoelectric power generation (TEPG) is supplied by the LNG-burner heat source and produce a typical electric power at a hundred watts level
Summary
If the TEM technology is to be commercially successful in the field of large scale power generation, one significant factor is that the efficiency should achieve some system level, for example, that ZT >=2.0 in order to reach an efficiency of about 20%. ZT may characterize the performance of thermoelectric materials which includes parameters such as the Seebeck coefficient (S), thermal conductivity, and electrical resistivity [15, 17,18,19,20]. Authors have conducted extensive studies and a variety of experiments; important findings are reported in the article They provide a brief introductory background of the alternative energy technology with an emphasis on TE and its applications. Zhihao Li et al.: Systematic Studies of the High Output Thermoelectric Power Generation experiments They present conclusion and summarize their important findings
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