Factors affecting the discharge lifetime of lithium-molten nitrate thermal battery cells using soluble cathode materials |
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| Authors: | G E McManis A N Fletcher M H Miles |
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| Affiliation: | (1) Energy Chemistry Branch, Chemistry Division, Research Department, Naval Weapons Center, 93555 China Lake, California, USA |
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| Abstract: | The use of soluble cathode materials in molten nitrate electrolyte thermal battery cells presents several problems related to cathode material diffusion into the anolyte. A chemical reduction of the soluble cathode material by molten lithium anodes is observed to degrade cell performance. Factors affecting cell lifetime were found to include discharge rate and temperature, cell thickness, activation into load versus open circuit and the presence or absence of a Cl– rich separator layer. |
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