If you are looking for a large-scale energy solution with a long battery life and scalable flexibility, then Vanadium Redox Flow Batteries should be first in mind.
Demand for and implementation of renewable energy is growing. With this comes demand for solutions to store this energy in a regulated environment.
Companies are investing significant money to develop new technology to best service the needs of a rapidly growing worldwide market.
Due to the improved interest in this technology, there are a number of companies worldwide choosing to make Vanadium Redox Flow Batteries their preferred choice.
What are the advantages of Vanadium Red-ox Flow Batteries over other battery types
• Highly scalable
• Battery life of 20 years
• Unlimited energy capacity
• Immediately releases energy
• Charge retention of up to 1 year
• Suitability for grid connection
• Can be discharged 100% without damage
• Uses only one element in electrolyte – V²O⁵
What is a Vanadium Redox Flow Battery?
A Vanadium Redox Flow Battery is a type of rechargeable flow battery that employs vanadium ions in different oxidation states to store chemical potential energy.
How do Vanadium Redox Flow Batteries Work
A Vanadium Redox Flow Battery consists of an assembly of power cells in which the two electrolytes are separated by a proton exchange membrane. Both electrolytes are vanadium-based, the electrolyte in the positive half-cells contains VO2+ and VO2+ ions, the electrolyte in the negative half-cells, V3+ and V2+ ions. The electrolytes may be prepared by any of several processes, including electrolytically dissolving vanadium pentoxide (V2O5) in sulfuric acid(H2SO4). The solution remains strongly acidic in use.
In vanadium flow batteries, both half-cells are additionally connected to storage tanks and pumps so that very large volumes of the electrolytes can be circulated through the cell. This circulation of liquid electrolytes is somewhat cumbersome and does restrict the use of vanadium flow batteries in mobile applications, effectively confining them to large fixed installations.When the vanadium battery is being charged, the VO2+ ions in the positive half-cell are converted to VO2+ ions when electrons are removed from the positive terminal of the battery. Similarly, in the negative half-cell, electrons are introduced converting the V3+ ions into V2+. During discharge this process is reversed and results in a typical open-circuit voltage of 1.41 V at 25 °C.
Speak to us today about your energy requirements and how we can help. We offer real solutions that enable you to achieve your off-grid aspirations.
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