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THE APPLICATION OF FE1-FE2 PHASE TRANSITION IN Nb DOPED (95/5) FERROELECTRIC CERAMICS TO HEAT-ELECTRIC ENERGY CONVERSION |
| LIAN Jing-yu;WANG Yong-ling |
| Shanghai Institute of Ceramics, Academia Sinica, Shanghai |
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| Cite this article: |
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LIAN Jing-yu, WANG Yong-ling 1985 Chin. Phys. Lett. 2 269-272 |
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Abstract Formerly, direct conversion of heat to electricity was carried out by making use of ferroelectric to paraelectric (FE-P) transition. In this paper a new method utilizing pyroelectric effect between two ferroelectric phases (FEI-FE2) is suggested and the Nb doped PZT (95/5) ceramic materials are used as actuating media. The intrinsic efficiency as well as the output electric power in energy conversion is estimated in terms of the charge-voltage behaviour during phase transition. Two methods of the energy conversion concerned are compared.
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Published: 01 June 1985
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