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Received January 18, 2011
Accepted February 17, 2011
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리튬-암모니아(Li(NH3)n) 용액을 이용한 열전기적 특성 실험
Experimental Study of Thermo-electric material using Lithium-Ammonia(Li(NH3)n) Solution
동국대학교-서울 정보통신공학과, 100-715 서울특별시 중구 필동 3가 26
Dept. of Information & Communications Engineering, Dongguk University - Seoul, 26 Pil-dong 3-ga, Jung-gu, Seoul 100-715, Korea
Korean Chemical Engineering Research, April 2011, 49(2), 263-270(8), NONE Epub 12 April 2011
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Abstract
본 논문의 목적은 리튬-암모니아 솔루션(Li(NH3)n)의 실험을 통하여 암모니아물질의 임계점인 -40 ℃ 근처에서의 열전특성을 분석하고 이를 증명하는 것이다. 실험 결과 0.58 MPM~1.87 MPM을 갖는 리튬-암모니아 솔루션(Li(NH3)n)은 온도차(ΔT=0~15 ℃)에서 전류가 전압에 비례하는 열전전력을 발생시킨다는 사실을 확인하였다. 본 논문은 열전 물질 개발에 새로운 방향을 제시할 것이다.
The aim of this paper is, through the experiment of Lithium-Ammonia solutions (Li(NH3)n), to analyze and verify a thermoelectric-conversion property at near Ammonia-boiling point (-40℃ ). The experiment results show that the solutions with 0.58 MPM~1.87MPM generate thermoelectric power at temperature difference (ΔT=0~15 ℃) where Current is constantly proportional to Voltage. This paper provides a new insight into the development of a thermoelectric material.
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References
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Edwards PP, Journal of Superconductivity., “Polarons, Bipolarons and Possible High-Tc Superconductivity in Metal-Ammonia Solutions,”, 13(6), 867 (2000)
Cohen MH, Thompson JC, Advances in physics., “The Electronic and Ionic Structures of Metal-ammonia Solutions", 17, 857 (1968)
Miles MH, Harris WS, J. Electrochem. Soc., “Decomposition Reaction of Concentrated lithium-Ammonia Solutions,”, 121, 459 (1974)
Hayama S, Skipper NT, Wasse JC, Thompson H, J. Chem. Phys., “Xray Diffraction Studies of Solutions of Lithium in Ammonia: The Structure of the Metal-Nonmetal Transition”, 116(7), 2991 (2002)
Joshua J, Morrel HC, Phys. Rev. B., “Metal-nonmetal Transition in Metalammonia Solutions", 13(4), 1548 (1976)
THOMPSON JC, Reviews of modern physics., “Metal-Nonmetal Transition in Metal-Ammonia Solutions", 40(4), 704 (1968)
Chuev GN, Quemerais P, Crain J, J. Chem. Phys., “Nature of the Metalnonmetal Transition in Metal-ammonia Solutions. I. Solvated Electrons at Low Metal Concentrations", 127 (2007)
Ottewill GA, Education In Chemistry., “Metal Ammonia Solutions-pure Chemistry", 36(2), 48 (1999)
Kraus CA, Am. Chem. Soc., “Solutions of Metals in Non-metallic Solvents; IV. Material Effects Accompanying the Passage of An Electrical Current Through Solutions of Metal in Liquid Ammonia. Migration Experiments,”, 30, 1323 (1908)
Hahne S, Krebs P, Schindewolf U, J. Chem., “Equilibrium Model for the Interpretation of the Conduction Properties of Metal-Ammonia Solutions", 55, 2211 (1977)
