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CN107014856A 用于测量氧化还原液流电池的电解质平衡的方法和装置 有权

用于测量氧化还原液流电池的电解质平衡的方法和装置
Abstract:
一种用于测量氧化还原液流电池的电解质平衡的方法，其包括：通过向电池组施加电流对所述氧化还原液流电池充电；在所述氧化还原液流电池充电的同时，测量阳极电解质溶液和阴极电解质溶液的温度；计算所述阳极电解质溶液随时间的温度变化率和所述阴极电解质溶液随时间的温度变化率；决定对应于所述阳极电解质溶液随时间的温度变化率的拐点的第一变化时间和对应于所述阴极电解质溶液随时间的温度变化率的拐点的第二变化时间；和使用所述第一变化时间、所述第二变化时间、阳极电解质的氧化数和阴极电解质的氧化数计算所述氧化还原液流电池的平均电解质氧化数。
Abstract(English):

A method for measuring an electrolyte balance of a redox flow battery may include: charging the redox flow battery by applying a current to a stack; measuring temperatures of an anode electrolyte solution and a cathode electrolyte solution while the redox flow battery is charged; calculating a temperature change rate of the anode electrolyte solution over time and a temperature change rate of the cathode electrolyte solution over time; deciding a first change time corresponding to an inflection point of the temperature change rate of the anode electrolyte solution over time and a second change time corresponding to an inflection point of the temperature change rate of the cathode electrolyte solution over time; and calculating an average electrolyte oxidation number of the redox flow battery, using the first change time, the second change time, an oxidation number of the anode electrolyte and an oxidation number of the cathode electrolyte.

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