redox flow tech using vanadium

found this on the website of http://www.storen.tech/copia-di-products StorEn VFBs are based on years of creativity and lateral thinking of the StorEn Technical Team in Fuel Cells, Vanadium Flow Batteries and cogeneration. StorEn modules utilize a proprietary electrolyte chemistry that delivers an increased energy density of the modules in the region of +25%. Furthermore, they embed a patent-pending stack design reducing by over 50% the cost of the power side of the battery. The standard long 20-year duration typical of Vanadium Flow Batteries can be exceeded thanks to a patent-pending innovation that extends duration of StorEn batteries to over 15,000 cycles, extending service intervals and reducing maintenance costs. The result of StorEn R&D activities are modules with the highest power and energy density, a modular architecture to satisfy the widest array of customers’ installations requirements, and the lowest Total Cost of Ownership possible today.