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http://dx.doi.org/10.4313/JKEM.2014.27.6.399

Effect of Particle Size of Cathode Materials on Discharge Properties of Thermal Batteries  

Lee, Jungmin (The 4th R&D Institute-3, Agency for Defense Development)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.27, no.6, 2014 , pp. 399-406 More about this Journal
Abstract
Thermal batteries are used for military power sources that require robustness and long storage life such as missiles and torpedoes. $FeS_2$ powder is currently used for cathode materials because of its high specific energy density, environmental non-toxicity and low cost. However, large particle size of conventional $FeS_2$ has been deterred its possible application for higher power thermal batteries. In order to improve the power density, high energy ball milling of $FeS_2$ has been introduced to crush the micron-sized $FeS_2$. Discharge characteristics of the single cells fabricated with nano-materials and conventional $FeS_2$ powder were evaluated.
Keywords
Thermal battery; $FeS_2$; High energy ball milling; Discharge characteristic;
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