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Enhanced thermoelectric effect of carbon fiber reinforced cement composites by metallic oxide/cement interface

Wei, Jian / Hao, Lei / He, Geping / Yang, Chunli

Thermoelectric power of carbon fiber reinforced cement composites was firstly enhanced efficiently by metallic oxide microparticles in the cement matrix. The absolute Seebeck coefficient of these composites increased steadily with increasing metallic oxide content and achieved 4–5 folds of the original one. The largest absolute thermoelectric power of +100.28 µV/°C was obtained for the composite with 5.0 wt% Bi₂O₃ microparticles. The carrier scattering of the interface between oxide microparticles and cement matrix is probably attributed to the Seebeck effect enhancement.

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Enhanced thermoelectric effect of carbon fiber reinforced cement composites by metallic oxide/cement interface

Wei, Jian / Hao, Lei / He, Geping / Yang, Chunli

Thermoelectric power of carbon fiber reinforced cement composites was firstly enhanced efficiently by metallic oxide microparticles in the cement matrix. The absolute Seebeck coefficient of these composites increased steadily with increasing metallic oxide content and achieved 4–5 folds of the original one. The largest absolute thermoelectric power of +100.28 µV/°C was obtained for the composite with 5.0 wt% Bi₂O₃ microparticles. The carrier scattering of the interface between oxide microparticles and cement matrix is probably attributed to the Seebeck effect enhancement.

Enhanced thermoelectric effect of carbon fiber reinforced cement composites by metallic oxide/cement interface

Wei, Jian / Hao, Lei / He, Geping / Yang, Chunli

Thermoelectric power of carbon fiber reinforced cement composites was firstly enhanced efficiently by metallic oxide microparticles in the cement matrix. The absolute Seebeck coefficient of these composites increased steadily with increasing metallic oxide content and achieved 4–5 folds of the original one. The largest absolute thermoelectric power of +100.28 µV/°C was obtained for the composite with 5.0 wt% Bi₂O₃ microparticles. The carrier scattering of the interface between oxide microparticles and cement matrix is probably attributed to the Seebeck effect enhancement.

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Title:

Enhanced thermoelectric effect of carbon fiber reinforced cement composites by metallic oxide/cement interface

Contributors:

Wei, Jian (author) / Hao, Lei (author) / He, Geping (author) / Yang, Chunli (author)

Published in:

Ceramics International ; 40 ; 8261-8263

Publication date:

2014

Size:

3 Seiten, 8 Quellen

ISSN:

DOI:

https://doi.org/10.1016/j.ceramint.2014.01.024

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Zement , Komposit , Carbonfaser , Metalloxid , Mikropartikel , thermoelektrische Leistung , Seebeck-Effekt , thermoelektrische Eigenschaft , thermoelektrische Energieerzeugung , thermoelektrischer Effekt , Ladungsträgerstreuung , Grenzfläche

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