| abstract |
A flow battery having a high energy density and a long life, and a flow battery system including the same are provided. A flow battery includes a positive electrode, a negative electrode, an electrolytic solution containing an active material, and an active material reaction tank in which the positive electrode and the negative electrode are provided, and the flow battery is charged into the active material reaction tank. The inflow position of the electrolyte is configured to be movable. [Selection] Figure 1 |