Industry

Flow battery is a new type of electrochemical energy storage system. The positive and negative electrodes use vanadium salt solution called all-vanadium flow battery, referred to as vanadium battery. The open circuit voltage of the battery can reach 1.5 V when the state of charge is 100%. .When the performance of the all-vanadium redox flow battery is studied by the charge and discharge experiment, it is necessary to determine the state of charge of the battery during the charge and discharge process. The determination methods of the content of various valence ions in the vanadium battery include potentiometric titration and spectrophotometry. The state of charge of the battery can be known from the content of ions in each valence state in the positive and negative solutions.

All-vanadium redox flow battery is a new type of high-efficiency electric energy conversion and storage device. Because its battery output power and energy storage capacity are independent of each other, it is suitable for wind, solar and other renewable energy generation processes and grid peaking processes as a large-scale energy storage device use.