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Synthesis and Thermoelectric Properties of Ca_2CO_2O_5 Ceramics

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The precursor of Ca_2CO_2O_5 was prepared by coprecipitation method. The bulk Ca_2CO_2O_5 samples were prepared by conventional sintering and Spark Plasma Sintering (SPS), respectively. The relative density of bulk Ca_2CO_2O_5 ceramic, which was prepared by conventional sintering is about 75%; while the samples prepared by SPS has a density of 98%. The thermoelectric properties were enhanced by SPS, compared with samples prepared with conventional sintering. The maximum powerfactor of the conventional sintering and SPS samples are 2.70×10~(-4) W·m~(-1)·K~(-2) and 3.85×10~(-4) W·m~(-1)·K~(-2), respectively.

Ca_2CO_2O_5spark plasma sinteringthermoelectric properties

Zhao Shujin、Li Guojing、Zhang Yang、Mei Ao、Lan Jinle、Lin Yuanhua

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College of Materials Science and Engineering, Jiamusi University, Heilongjiang 154007, China

State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

2010

10.4028/www.scientific.net/KEM.434-435.400

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.434/435
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