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J. Korean Ceram. Soc. > Volume 46(6); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(6): 587.
doi: https://doi.org/10.4191/kcers.2009.46.6.587
전해질 분리판용 세라믹 부직포와 리튬염간의 반응성
조광연, 류도형, 신동근, 임경훈, 진은주, 김현이1, 하상현2, 최종화2
한국세라믹기술원 나노소재응용본부
1서울대학교 재료공학부
2국방과학연구소 제4기술연구본부
Reaction Behavior of Ceramic Mat with Lithium Salt for the Electrolyte Separators of Thermal Batteries
Kwang-Youn Cho, Doh-Hyung Riu, Dong-Geun Shin, Kyoung-Hoon Lim, Eun-Ju Jin, Hyoun-Ee Kim1, Sang-Hyeon Ha2, Jong-Hwa Choi2
Division of Nano Materials Application, KICET
1Department of Materials Science and Engineering, Seoul University
2Agency for Defense Development
Lithium salt have been used mainly as electrolyte of thermal battery for electricity storage. Recently, The 3phase lithium salt(LiCl-LiF-LiBr) is tried to use as electrolyte of thermal battery for high electric power. It is reported that LiCl-LiF-LiBr salt have high ion mobility due to its high lithium ion concentration. Solid lithium salt is melt to liquid state at above $500{^{circ}C}$. The lithium ion is easily reacted with support materials. Because the melted lithium ion has small ion size and high ion mobility. For the increasing mechanical strength of electrolyte pellet, the research was started to apply ceramic filter to support of electrolyte. In this study, authors used SiOC web and glass fiber filter as ceramic mat for support of electrolyte and impregnated LiCl-LiF-LiBr salt into ceramic mat at above $500{^{circ}C}$. The fabricated electrolyte using ceramic mat was washed with distilled water for removing lithium salt on ceramic mat. The washed ceramic mat was observed for lithium ion reaction behavior with XRD, SEM-EDS and so on.
Key words: Thermal battery, Ceramic mat, Electrolyte, Impregnation, Powder melting
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