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열전지용(MS<sub>2</sub>, M=Fe, Ni, Co)계 양극의 전기화학적 특성 연구
이정민,임채남,윤현기,정해원,Lee, Jungmin,Im, Chae-Nam,Yoon, Hyun-Ki,Cheong, Hae-Won 한국전기전자재료학회 2017 전기전자재료학회논문지 Vol.30 No.9
Thermal batteries are used in military power sources that require robustness and long storage life for applications in missiles and torpedoes. $FeS_2$ powder is currently used as a cathode material because of its high specific energy density, environmental non-toxicity, and low cost. $MS_2$ (M = Fe, Ni, Co) cathodes have been explored as novel candidates for thermal batteries in many studies; however, the discharge characteristics (1, 2, 3 plateau) of single cells in thermal batteries with different cathodes have not been elucidated in detail. In this study, we independently analyzed the discharge voltage and calculated the total polarizations of single cells using $MS_2$ cathodes. Based on the results of this study, we propose $NiS_2$ as a potential cathode material for use in thermal batteries.