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The relative performance of FeS 2 and CoS 2 was measured in single cells based on the LiBr-KBr-LiF eutectic electrolyte over a temperature range of 400° to 550°C using both standard (dry) and flooded anodes. This electrolyte is designed to be used in long-life (>1 h) thermal-battery applications because it has a lower melting point (313°C) and a higher electrical conductivity than the standard LiCl-KCl eutectic (m.p.=352°C). The cells were continuously pulsed for 1 ms every 10 ms from a background current density of 190 mA/sq cm to 1,130 mA/sq cm until end of life.
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R.A. Guidotti (1994) studied this question.
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