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    • 3. 发明申请
    • APPARATUS AND METHOD FOR DETERMINING BATTERY/CELL'S PERFORMANCE, AGE, AND HEALTH
    • 用于确定电池/电池性能,年龄和健康的装置和方法
    • US20120310565A1
    • 2012-12-06
    • US13481539
    • 2012-05-25
    • Laszlo Redey
    • Laszlo Redey
    • G01N27/416G06F19/00
    • G01R31/386G01R31/367G01R31/378G01R31/392
    • A self-energized measuring system for determining primary and secondary battery/cell's performance, age, and health by measuring and recording battery/cell's voltage response to a specified load-changing perturbation spot-test event. The cell's voltage response is compared to a synchronously measured voltage signal of a comparator resistor. The relationship between the two voltage signals is analyzed on logarithmic time scale to determine performance parameters such as cell impedance and power and their variation in the time domain. The cell temperature is also measured for impedance and power normalization for 20 centigrade. Results are compared to a previously generated master data tabulation characteristic of a similar, new cell of perfect health condition. The time-domain performance parameters are related to the performance, age and health of the cell at any particular instant. The evaluation method can be easily adjusted to various battery chemistries, types.
    • 一个自给自足的测量系统,用于通过测量和记录电池/电池对指定的负载变化扰动点测试事件的电压响应来确定一次和二次电池/电池的性能,年龄和健康状况。 电池的电压响应与比较电阻的同步测量电压信号进行比较。 以对数时间尺度分析两个电压信号之间的关系,以确定诸如单元阻抗和功率以及它们在时域中的变化的性能参数。 测量电池温度也可测量20摄氏度的阻抗和功率归一化。 将结果与以前生成的完全健康状况的类似的新细胞的主数据列表特征进行比较。 时域性能参数与任何特定时刻的单元的性能,年龄和健康有关。 评估方法可以轻松调整到各种电池化学品,类型。
    • 7. 发明授权
    • Low resistance electrode construction
    • 低电阻电极结构
    • US06379844B1
    • 2002-04-30
    • US09487825
    • 2000-01-20
    • Laszlo RedeyEric J. Karell
    • Laszlo RedeyEric J. Karell
    • H01M436
    • C25C7/025Y10T29/49108
    • An electrochemical cell having a cathode and an anode in contact with an electrolyte. Both electrodes or one of them has an electrically conducting non-metal receptacle defining a chamber with a first metal having a melting point in the range of from about room temperature to about 800° C. inside said receptacle chamber. A second metal with a melting point greater than about 800° C. is in contact with the first metal inside the receptacle chamber and extends outside of the receptacle chamber to form a terminal for the anode. The electrolyte may include the oxides, halides or mixtures thereof of one or more of Li, V, U, Al and the lanthanides. Metal may be produced at the cathode during operation of the cell and oxygen or chlorine at the anode.
    • 具有与电解质接触的阴极和阳极的电化学电池。 两个电极或其中的一个具有导电的非金属容器,其限定具有在所述容器室内具有在约室温至约800℃范围内的熔点的第一金属的室。 熔点大于约800℃的第二金属与容器室内的第一金属接触并延伸到容器室外部,形成阳极端子。 电解质可以包括Li,V,U,Al和镧系元素中的一种或多种的氧化物,卤化物或其混合物。 在阴极操作期间可能会在阴极产生金属,而在阳极处可能产生氧或氯。
    • 8. 发明授权
    • Overcharge tolerant high-temperature cells and batteries
    • 过充电耐高温电池和电池
    • US4849309A
    • 1989-07-18
    • US227021
    • 1988-08-01
    • Laszlo RedeyPaul A. Nelson
    • Laszlo RedeyPaul A. Nelson
    • H01M4/40H01M10/39H01M10/42H01M10/44
    • H01M10/4235H01M10/399H01M4/40H01M10/44H01M2010/4292
    • In a lithium-alloy/metal sulfide high temperature electrochemical cell, cell damage caused by overcharging is avoided by providing excess lithium in a high-lithium solubility phase alloy in the negative electrode and a specified ratio maximum of the capacity of a matrix metal of the negative electrode in the working phase to the capacity of a transition metal of the positive electrode. In charging the cell, or a plurality of such cells in series and/or parallel, chemical transfer of elemental lithium from the negative electrode through the electrolyte to the positive electrode provides sufficient lithium to support an increased self-charge current to avoid anodic dissolution of the positive electrode components above a critical potential. The lithium is subsequently electrochemically transferred back to the negative electrode in an electrochemical/chemical cycle which maintains high self-discharge currents on the order of 3-15 mA/cm.sup.2 in the cell to prevent overcharging.
    • 在锂合金/金属硫化物高温电化学电池中,通过在负极中的高锂可溶性相合金中提供过量的锂,并且规定的基体金属的容量的最大值的规定比例可以避免由过充电引起的电池损坏 工作阶段的负极为正极的过渡金属的容量。 在将电池或多个这样的电池串联和/或并联充电时,元素锂从负极通过电解质向正电极的化学转移提供足够的锂以支持增加的自充电电流以避免阳极溶解 正极组分高于临界电位。 随后,锂在电化学/化学循环中电化学转移回负极,在电池中维持大约3-15mA / cm2的自放电电流,以防止过度充电。