Chinese researchers have made a significant breakthrough in the Redox Flow Battery (RFB) technology. Scientists from the University of Wenzhou and the University of Guangxi announced that they offer 87.9 percent energy efficiency and up to 850 cycles with the new battery design they developed.

Innovative solution to existing problems

The existing police-based redox flow batteries (NCS) were not found enough for widespread use due to low reaction rate and limited life. However, researchers have managed to overcome these obstacles with a new generation of catalytic electrode design. Researchers said that this innovative design optimized the multi -stage load transfer reactions between Redox couples and thus increased the overall performance of the battery.

In the tests performed, the new pride has achieved 87.9 percent energy efficiency in 20 mA/cm² current density, which means serious progress compared to previous generation of materials. In addition, the new design worked stable for 50 cycles with an average of 76.5 percent energy efficiency in the current density of 30 MA/cm². In addition, he performed stable performance for about 850 cycles with a current density of 10 mA/cm². More importantly, after the 200th and 600th cycles, the regeneration of electrolytes was discovered that the battery could almost return to the initial 93.1 percent efficiency level.

This development has a great potential, especially in terms of storage of renewable energy resources. Redox flow batteries can make variable production resources such as solar and wind energy more stable and more suitable for networks thanks to their long life and high efficiency.