期刊
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
卷 73, 期 11, 页码 1760-1763出版社
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.73.1760
关键词
Thermoelectric; Bi2Te3; Generator; Thermal resistance; Body heat
资金
- National Research Council of Science & Technology (NST) grant by the Korea government (MSIP) [CAP-14-01-KIST, CPS-18-03-ETRI]
- Materials and Components Technology Development Program. of MOTIE/KEIT, Republic of Korea [10063286]
- Electronics and Telecommunications Research Institute (ETRI) - Korean government [18ZB1800]
- National Research Council of Science & Technology (NST), Republic of Korea [CPS-18-03-ETRI, CAP-14-01-KIST] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
To attain power generation with body heat, the thermal resistance matched design of the thermoelectric generator was the principal factor which was not critical in the case of thermoelectric generator for the waste heat generation. The dimension of thermoelectric legs and the number of thermoelectric leg-pairs dependent output power performances of the thermoelectric generator on the human wrist condition was simulated using 1-dimensional approximated heat flow equations with the temperature dependent material coefficients of the constituent materials and the dimension of the substrate. With the optimum thermoelectric generator design, thermoelectric generator modules were fabricated by using newly developed fabrication processes, which is mass production possible. The electrical properties and the output power characteristics of the fabricated thermoelectric modules were characterized by using a home-made test set-up. The output voltage of the designed thermoelectric generator were a few tens of millivolts and its output power was several hundreds of microwatts under the conditions at the human wrist. The measured output voltage and power of the fabricated thermoelectric generator were slightly lower than those of the designed thermoelectric generator due to several reasons.
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