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- W2326500624 abstract "LaCoO3 ceramics with much enhanced thermoelectric properties were prepared by means of a polyacrylamide gel soft-chemical method and the addition of the sintering aids mixture of B2O3 and CuO. The effects of B2O3–CuO addition on the low-temperature sintering behavior, microstructure and thermoelectric properties of LaCoO3 ceramics were investigated. The results showed that the sintering temperature of LaCoO3 ceramics could be reduced significantly from 1200 °C to 1000 °C by using B2O3–CuO additions. Although the Seebeck coefficient S of LaCoO3 at a temperature below 200 °C decreased with the increase of B2O3–CuO content x (wt.%), the electric conductivity and thermal resistivity were simultaneously enhanced with increasing x as x ⩽ 2.5. Thus, the power factor P of LaCoO3 increased with x, and the sample with x = 2.5 sintered at 1000 °C was found to have optimum thermoelectric properties with ZT = 0.073 at 100 °C, which was about 1.5 times higher than that of pure LaCoO3 sintered at 1200 °C, indicating that the addition of B2O3–CuO could simultaneously lower the sintering temperature and improve the thermoelectric properties of LaCoO3 ceramics." @default.
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- W2326500624 date "2012-09-01" @default.
- W2326500624 modified "2023-09-26" @default.
- W2326500624 title "Low-temperature sintering and enhanced thermoelectric properties of LaCoO3 ceramics with B2O3–CuO addition" @default.
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- W2326500624 doi "https://doi.org/10.1016/j.jallcom.2012.05.001" @default.
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