Fabrication of a CoSb3-based thermoelectric module |
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Authors: | Degang Zhao Changwen Tian Shouqiu Tang Yunteng Liu Likun Jiang Lidong Chen |
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Affiliation: | 1. New Materials Institute, Shandong Academy of Sciences, Keyuan Road 19, Jinan 250014, PR China;2. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, PR China |
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Abstract: | A CoSb3-based thermoelectric module was fabricated using Ce0.45Co2.5Fe1.5Sb12 p-type leg and Yb0.25Co4Sb12/Yb2O3 n-type leg. Ag–Cu foil was used to construct the junction of hot side legs. With two p–n couples, the module generated a maximum output power (Pmax) of 140 mW and a maximum open-circuit voltage (Vo) of 210 mV under the thermal condition of hot side temperature Th=810 K and a temperature difference ΔT=490 K. No deterioration in output power in vacuum was seen when thermal cycle of five times for the module was carried out under Th=810 K and ΔT=490 K with natural cooling to room temperature, which shows the module has high durability. |
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