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    电动汽车动力电池评估
    2021-11-15 10:43:48

    动力电池评估动力电池包性能评估:

    Power battery evaluation power battery pack performance evaluation:

    一般包括:容量性能、倍率性能、温度特性、储存衰减特性、循环寿命和自放电特性等;动力电池包安全性能评估:

    Generally include: capacity performance, magnification performance, temperature characteristics, storage attenuation characteristics, cycle life and self discharge characteristics; Safety performance evaluation of power battery pack:

    一般包括:耐过充性能、耐过放性能、针刺、挤压、撞击、跌落、高温、火烧等。

    Generally, it includes overcharge resistance, over discharge resistance, acupuncture, extrusion, impact, drop, high temperature, fire, etc.

    电池包术语单体电池(Cell)直接将化学能转化为电能的最小单元,包括正极、负极、电解液、外壳等。

    The term battery pack cell is the smallest unit that directly converts chemical energy into electrical energy, including positive electrode, negative electrode, electrolyte, shell, etc.

    电池模组 (Module)将多个单体电池按照串联、并联或串并混联方式组合,作为电源使用的组合体。该组合体可能附带电子控制系统。

    The battery module combines multiple single batteries in series, parallel or series parallel hybrid connection as a combination of power supply. The combination may be accompanied by an electronic control system.

    动力电池(Pack)用来给动力电路提供能量的所有电气相连的蓄电池包的总称。

    Power battery (pack) is the general name of all electrically connected battery packs used to provide energy to power circuits.

    额定容量在环境温度为25℃±3℃条件下,充满电的电池以额定电流(或者额定功率)放电至终止电压时能所应提供的电量,单位为安时额定能量在环境温度为25℃±3℃条件下,充满电的电池以额定电流(或者额定功率)放电至终止电压时能所应提供的能量,单位为瓦时 (Wh),1度电等于1000Wh。

    Rated capacity: the amount of energy that a fully charged battery can provide when it discharges to the termination voltage at rated current (or rated power) under the ambient temperature of 25 ℃± 3 ℃. The unit is ampere hour rated energy. The energy that a fully charged battery can provide when it discharges to the termination voltage at rated current (or rated power) under the ambient temperature of 25 ℃± 3 ℃, The unit is watt hour (WH), and 1 kwh is equal to 1000WH.

    充电终止电压(上限保护电压)单体电池/电池模组/电池包充电时要求的最高充电电压值,单位为伏特(V)。

    Charging termination voltage (upper limit protection voltage) the maximum charging voltage required when charging a single battery / battery module / battery pack, in volts (V).

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    放电终止电压(下限保护电压)单体电池/电池模组/电池包放电时要求的最低放电电压值,单位为伏特(V)。

    Discharge termination voltage (lower limit protection voltage) the minimum discharge voltage required for the discharge of single battery / battery module / battery pack, in volts (V).

    开路电压 (OCV,Open Circuit Voltage)外电路处于断路状态时的电池电压。

    Open circuit voltage (OCV) is the battery voltage when the external circuit is in the open circuit state.

    荷电态 (SOC,State Of Charge)电池当前所拥有的的电量,以当前所拥有的容量占电池常温下总容量的百分比表示,简称SOC。

    State of charge (SOC) the current power of the battery, expressed as the percentage of the current capacity in the total capacity of the battery at room temperature, referred to as SOC.

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