A research team in Valencia, Spain, has designed materials that revolutionize the process of obtaining hydrogen from water by utilizing microwave radiation. This innovation aims to enhance green hydrogen production, thereby reducing CO2 emissions associated with traditional hydrogen production methods. The research focuses on leveraging redox cycles to efficiently separate oxygen from water, allowing for the extraction of green hydrogen from renewable electrical energy sources. By utilizing materials with redox properties that respond to microwave radiation, the team has significantly improved the hydrogen production process. The study details the unique advantages of using microwaves in the redox process, such as providing electrical energy without physical contacts, lowering cycle temperatures from 1300 ºC to 400 ºC, simplifying the hydrogen production process, and maximizing energy efficiency. The researchers extensively investigated dopants in cerium oxide to optimize the interaction with microwave radiation and enhance the properties of the energized material, paving the way for future material design. The research not only enhances hydrogen production but also focuses on extracting oxygen through a controlled and rapid pulsed process. By studying the influence of dopants on hydrogen production and understanding the mechanisms governing the process, the team aims to facilitate the future development of novel materials for efficient hydrogen generation. The work, published in the Advanced Energy Materials journal, demonstrates the strength and stability of the designed materials, setting a foundation for sustainable hydrogen production.