Non-aqueous cells employing cathodes of heat-treated manganese dioxide and a propylene-carbonate-dimethoxy-ethane-lithium-trifluoro-methane sulfonate electrolyte.

摘要

The present invention deals with nonaqueous cells employing heat-treated MnO2 cathodes and a propylene carbonate-dimethoxyethane-lithium trifluoromethane sulfonate electrolyte. A nonaqueous cell according to the invention comprises an active metal anode such as lithium, a manganese dioxide-containing cathode which contains less than 1 weight percent water in the manganese dioxide and a liquid organic electrolyte comprising lithium trifluoromethane sulfonate (LiCF3SO3) dissolved in propylene carbonate (PC) and dimethoxyethane (DME) These cells exhibit excellent manganese dioxide utilization over a wide temperature range.