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    • 1. 发明申请
    • MODERATE TEMPERATURE SODIUM BATTERY
    • 中等温度的钠电池
    • US20120141856A1
    • 2012-06-07
    • US13307123
    • 2011-11-30
    • John Howard GordonJavier Alvare
    • John Howard GordonJavier Alvare
    • H01M4/36H01M10/04
    • H01M10/399H01M4/70H01M10/3954Y10T29/49108
    • A rechargeable galvanic cell that has a negative electrode material made of a molten alkali metal (such as sodium or lithium). The galvanic cell also includes a positive electrode active material that may be sulfur or iodine. The positive electrode active material may be used in conjunction with a polar solvent. An ion-conductive separator is disposed between the polar solvent and the negative electrode material. The positive electrode active material has a specific gravity that is greater than the specific gravity of the polar solvent. Thus, the positive electrode active material is proximate the bottom of the positive electrode compartment while the polar solvent is above the positive electrode active material. The cell is designed to be operated at temperatures above the melting point of the alkali metal, but at temperatures that are lower than about 250° C.
    • 具有由熔融碱金属(例如钠或锂)制成的负极材料的可充电电池。 原电池还包括可以是硫或碘的正电极活性材料。 正极活性物质可以与极性溶剂结合使用。 在极性溶剂和负极材料之间设置离子传导性隔离物。 正极活性物质的比重大于极性溶剂的比重。 因此,正极活性物质接近正极室的底部,而极性溶剂在正极活性物质的上方。 电池被设计为在高于碱金属熔点的温度下操作,但在低于约250℃的温度下操作。