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High Quality Content by WIKIPEDIA articles! Molten salt batteries are a class of primary cell and secondary cell high temperature electric battery that use molten salts as an electrolyte. They offer both a higher energy density through the proper selection of reactant pairs as well as a higher power density by means of a high conductivity molten salt electrolyte. They are used in services where high energy density and high power density are required. These features make rechargeable molten salt batteries a promising technology for powering electric vehicles. Operating temperatures of 400 °C…mehr

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High Quality Content by WIKIPEDIA articles! Molten salt batteries are a class of primary cell and secondary cell high temperature electric battery that use molten salts as an electrolyte. They offer both a higher energy density through the proper selection of reactant pairs as well as a higher power density by means of a high conductivity molten salt electrolyte. They are used in services where high energy density and high power density are required. These features make rechargeable molten salt batteries a promising technology for powering electric vehicles. Operating temperatures of 400 °C (752 °F) to 700 °C (1,292 °F), however, bring problems of thermal management and safety, and place more stringent requirements on the rest of the battery components. Some newer designs, such as the ZEBRA battery, operate at a lower temperature range of 270 °C 518 °F to 350 °C 662 °F. Referred to as thermal batteries the electrolyte is solid and inactive at normal ambient temperatures. Thermally activated ( thermal ) batteries were conceived by the Germans during WW II and were used in the V-2 rockets.