Thermoelectric properties of highly oriented Ca_<2.7>Bi_<0.3>Co_4O_9 fabricated by rolling process
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概要
- 論文の詳細を見る
Highly oriented, Bi-substituted Ca3Co4O9(Ca2.7Bi0.3Co4O9) was processed by the rolling method and its thermoelectric properties were investigated. The electrical conductivity (σ), Seebeck coefficient (α), thermal conductivity (k) and ZT value at 870 K were 123.4 S/cm, 172.7 μV/K, 2.1 W/mK, and 0.152, respectively. The electrical conductivity was about 1.5 times higher than that of a conventionally sintered sample. This rolling process is a very powerful method to produce a plate-like particle orientation in a ceramic microstructure and will be useful in the mass production of thermoelectric elements in powder injection molding (PIM).
- 公益社団法人 日本セラミックス協会の論文
- 2009-05-01
著者
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PARK Jong
Department of Internal Medicine, Chonnam National University Hospital
-
Choi Seung
Division Of Energy Systems Research Graduate School Ajou University
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Yoon Sun
Division Of Energy Systems Research Graduate School Ajou University
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Kwak Dong
Division Of Energy Systems Research Graduate School Ajou University
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Park Jong
Department Mathematics Pusan National University
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Park Jong
Department Of Materials Science And Engineering Ajou University
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