The battery (1) has electrochemical energy converter (2) with circulation device for electrolyte. The electrolyte ducts (3) are provided to supply and discharge the electrolyte from a storage tank (31,32) to the energy converter and back to the storage tan...

The method involves determining and monitoring of charge state of anolyte and/or catholyte. The loading and/or unloading changing ratios of chemical composition of the electrolyte are determined based on the charge of an ion, or the chemical components of ...