REDOX FLOW BATTERY AND METHOD FOR CONTROLLING REDOX FLOW BATTERY

To improve efficiency of a redox flow battery while stabilizing charge/discharge of a redox flow battery.SOLUTION: A redox flow battery includes: a battery cell performing charge/discharge; an electrolyte tank storing an electrolyte; a pump circulating the electrolyte in the electrolyte tank to the battery cell; a voltage acquisition part acquiring at least one of a charging voltage that is a voltage when the battery cell is charged and a discharging voltage that is a voltage when the battery cell is discharged; and a control part controlling a flow rate of the electrolyte circulated by the pump, the control part varying the flow rate according to the charging voltage or the discharging voltage acquired by the voltage acquisition part.SELECTED DRAWING: Figure 1 【課題】レドックスフロー電池の充放電を安定させた上で、レドックスフロー電池の効率を向上させる。【解決手段】レドックスフロー電池は、充電および放電を行う電池セルと、電解液を貯留している電解液タンクと、電解液タンク内の電解液を電池セルへと循環させるポンプと、電池セルの充電時の電圧である充電電圧と、電池セルの放電時の電圧である放電電圧と、の少なくとも一方を取得する電圧取得部と、ポンプにより循環させる電解液の流量を制御する制御部と、を備え、制御部は、電圧取得部により取得された充電電圧または放電電圧に応じて流量を変化させる。【選択図】図１