电池特性的总结和比较

电池参数有很多。根据电池的用途,某些参数比其他参数更重要。以下是制造商为给定类型的电池指定的参数列表。例如,在普通汽车的典型电池中,能量密度并不相关 - 电池重量仅占总重量的一小部分,因此通常不会为传统汽车电池列出此参数。然而,在电动汽车应用中,电池重量占车辆总重量的很大一部分,因此会给出能量密度。

Battery Specifications

Parameter Applications Examples Comments
Nominal Voltage All   Usually standardized to 12V
Battery Capacity All   Given as a function of discharge rate
Internal Series Resistance High current applications Running motors  
Self Discharge Rate Applications that are only recharged periodically    
Energy/Power Density Mobile applications using significant amounts of battery energy Electric vehicles, satellites, portable electronics, etc  
Cut-off voltage Mobile applications using significant amounts of battery energy Electric vehicles, satellites, portable electronics, etc  
Efficiency Application in which charging is restricted or heat should be minimized Stand-alone energy systems  
Depth of discharge Applications which experience regular, deep discharge Stand alone energy systems, traction batteries  
Temperature range Applications which experience large variations in temperature Stand alone energy systems, some transport applications  
Battery lifetime All   Specified as either time or cycle life
Maintenance requirements All    
Safety All