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Researchers Develop Highly Efficient Solar Flow Battery

Aug, 2020

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The researchers have found a promising way to generate, store, and redevelop renewable energy from the sun into the device.

The research team from the University of Wisconsin-Madison has developed a new type of solar flow batteries that is long-lasting and highly efficient in comparison to the existing solar flow batteries. The researchers have found a promising way to generate, store, and redevelop renewable energy from the sun into the device. The team combined many existing technologies to make this device. The new device is made of silicon solar cells integrated with chemical components designed jointly with advanced solar materials.

According to the team, the new solar flow batteries will allow individuals to produce and store renewable energy in a single device. It is simple, inexpensive, and efficient enough for home use. For storage, the researchers switched to a flow battery. These batteries have two liquids, which are placed in separate tanks, which act as electrolytes. When energy is required, the liquids interact in a middle chamber to harvest electricity. The researchers used a theoretical modeling method to determine which chemicals will work at ideal voltages to increase the efficiency of the device.

The new device is developed by the Jin lab and achieved a new record efficiency of 20%. It makes the best use of the most silicon solar cells (commercially available) used at present and is around 40% more efficient in comparison to the previous solar flow battery, which is also developed by Jin Lab. Moreover, the newly developed device maintained high efficiency for more than hundreds of hours, as well as charge/discharge cycles. It has a longer life compared to other flow batteries. Now, the researchers plan to continue developing more efficient, long-lasting, and inexpensive solar flow batteries for practical large-scale use. The research was published in the Nature Materials journal.

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