Tomsk scientists develop lighter, more flexible solar batteries

Scientists from the New Materials Department of Tomsk State University and their colleagues from the Russian Academy of Sciences are working on a new type of flexible solar batteries using Gratzel cells, the Tomsk State University reported on Friday.

Scientists from the New Materials Department of Tomsk State University and their colleagues from the Russian Academy of Sciences are working on a new type of flexible solar batteries using Gratzel cells, the Tomsk State University reported on Friday.

The foundation for these batteries are oxide nanomaterials and their compositions.

"Solutions used to obtain oxide compositions can be put on any flexible carrier: thin glass, tissue, and metal and polymer materials. After baking, a composite cover is formed on the surface of the carrier, which is capable of transforming solar light into electrical power," the press release says.

Lyudmila Borilo, the head of the Tomsk State University's laboratory Multi-Role Materials, the new technology can be used in various spheres, including in household activities, in agriculture, and in the defense industry.

"Flexible solar batteries can be rolled and taken on hiking trips, or be used for charging a laptop computer or a cell phone. Another option is to create tissue capable of generating heat from solar light. It's optimal for people who work in the Arctic or in difficult conditions," Borilo said.

Now the next thing to do is to develop a method to reliably fix nano particles to the structure of the material in the process of baking to prevent them from washing out during washing and operation.

The press release says that flexible solar batteries created in Tomsk State University are much lighter and cheaper than their silicon 'brothers' and they are capable of generating electrical power even in cloudy weather, for example, in Siberia, where bright sunny days are very rare.

Gratzel cells are a third-generation photoelectric technology. They are made from cheap materials and do not require complex equipment.

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