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http://dx.doi.org/10.4191/KCERS.2009.46.6.587

Reaction Behavior of Ceramic Mat with Lithium Salt for the Electrolyte Separators of Thermal Batteries  

Cho, Kwang-Youn (Division of Nano Materials Application, KICET)
Riu, Doh-Hyung (Division of Nano Materials Application, KICET)
Shin, Dong-Geun (Division of Nano Materials Application, KICET)
Lim, Kyoung-Hoon (Division of Nano Materials Application, KICET)
Jin, Eun-Ju (Division of Nano Materials Application, KICET)
Kim, Hyoun-Ee (Department of Materials Science and Engineering, Seoul University)
Ha, Sang-Hyeon (Agency for Defense Development)
Choi, Jong-Hwa (Agency for Defense Development)
Publication Information
Journal of the Korean Ceramic Society / v.46, no.6, 2009 , pp. 587-591 More about this Journal
Abstract
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.
Keywords
Thermal battery; Ceramic mat; Electrolyte; Impregnation; Powder melting;
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