July 21, 2024

New Breakthrough Solar-Powered Device Converts Air into Drinking Water

Scientists at The University of Texas at Austin have made a groundbreaking discovery in their quest to produce drinking water from the moisture present in the air. Published in the Proceedings of the National Academy of Sciences, the researchers have developed a molecularly engineered hydrogel that utilizes solar energy to create clean water, even in temperatures as high as 104 degrees Fahrenheit.

By harnessing solar energy, the scientists were able to extract water from the atmosphere, making it safe to drink. This innovative method has the potential to provide a source of clean water for populations facing drought and limited access to water resources. The device operates efficiently, requiring minimal energy and utilizing the natural temperature fluctuations during hot summer weather.

The hydrogel has demonstrated the ability to produce between 3.5 and 7 kilograms of water per kilogram of gel materials, depending on the humidity conditions. The team has also successfully transformed the hydrogel into micro-sized particles, known as microgels, which significantly enhance the speed and efficiency of water capture and release.

The researchers are focused on further improving the technology to make it commercially viable. They aim to optimize the engineering of the microgels to increase efficiency and scalability. Scaling up production is crucial to make the device widely accessible as a low-cost, portable solution for creating clean drinking water. In countries like Ethiopia, where approximately 60% of the population lacks access to clean water, this technology could be life-changing.

To reduce costs and facilitate mass production, the team is exploring the use of organic materials in future versions of the device. However, challenges remain in scaling the production of the sorbent that facilitates moisture absorption and ensuring the durability of the product throughout its lifespan. The researchers are also working on developing portable versions of the device for various application scenarios.

The potential impact of this breakthrough is immense. As climate change continues to exacerbate water scarcity, technologies like this solar-powered device have the power to provide a sustainable solution for communities facing water shortages. With further advancements and commercialization, this innovation could transform the lives of millions by ensuring access to clean drinking water, even in arid regions.


  1. Source: Coherent Market Insights, Public sources, Desk research
  2. We have leveraged AI tools to mine information and compile it