基于银氧化物电极的高比能电池研究进展

Research Progress of High Specific Energy Batteries Based on Silver Oxide Electrode

基于银氧化物电极(银电极)的高比能电池具有比能量大、输出功率高、放电平稳、安全可靠等优点;银电极作为此类电池的关键部件,决定着电池性能的优劣。简要介绍了银电极的工作原理和制备方法;详细分析了银电极中AgO分解、两坪阶电位、活性物质利用率和高倍率放电性能等研究现状;综述了锌银、铝银和锂银等几类基于银电极的高比能电池的原理与特点、发展与应用、性能与改进方法等;对基于银电极的高比能电池的发展方向进行展望。

The high specific energy battery based on silver oxide electrode(Silver electrode)has the advantages of high specific energy,high output power,stable discharge,safety and reliability,etc.As a key component of this type of battery,silver electrode determines the performance of the battery.The working principle and preparation method of silver electrodes are briefly introduced.The AgO decomposition,two-stage potential,active material utilization rate and high rate discharge performance in silver electrode were analyzed in details.The principle and characteristics,development and application,performance and improvement methods of several types of high specific energy batteries based on silver electrode such as zinc silver,aluminum silver and lithium silver were reviewed.The development direction of high specific energy batteries based on silver electrode was prospected.