Freshwater scarcity is a pressing global issue, with desalination methods being energy-intensive and costly. The need for renewable energy storage for heavy-duty equipment is also crucial. However, hydrogen production has been limited due to high costs, despite its potential as a clean fuel option. Researchers from multiple universities have introduced a groundbreaking solar-powered electrolysis technology that produces hydrogen from seawater efficiently. This innovative approach not only addresses the challenges of freshwater scarcity and renewable energy storage but also generates fresh water as a valuable by-product. By utilizing solar energy, this technology overcomes the limitations of traditional methods and offers a sustainable solution. The design integrates hydrogen and freshwater production, optimizing the use of solar power and seawater resources. Engineering features such as a capillary wick, unilateral seawater flow, and thermal effects optimization enhance the overall efficiency of the process. By efficiently utilizing solar energy and seawater, this technology offers a holistic solution to water scarcity and energy demands, marking a significant advancement in renewable energy and water production.