热耦合海水制氢装置连续稳定运行超500小时

Core Insights - The first 110 kW-level seawater direct electrolysis hydrogen production system in China has passed expert review, marking a significant breakthrough from laboratory to engineering application in the field of seawater electrolysis for hydrogen production [1][2] - The system utilizes low-grade waste heat from nearby steel and petrochemical enterprises, allowing for efficient and stable conversion to high-purity hydrogen without relying on precious freshwater resources [1][2] Group 1 - The device addresses critical technical bottlenecks in seawater electrolysis, such as calcium and magnesium deposition, chloride ion corrosion, and short lifespan, thus providing a more efficient and cost-effective solution for future hydrogen production [1][2] - The system's ability to suppress chloride ion corrosion through the development of corrosion-resistant catalysts and dynamic control technology enhances the durability of the electrolysis equipment [2] - By utilizing low-grade waste heat and coupling with a screening system to produce high-quality freshwater, the device eliminates the need for traditional cooling units, significantly reducing investment and energy consumption [2] Group 2 - The project aligns with China's coastal industrial layout, creating a new paradigm for zero-carbon hydrogen supply by transforming industrial waste heat into usable energy [2] - The successful operation of the system for over 500 hours demonstrates its stability and marks a significant milestone in engineering readiness [2][3] - The project aims to establish a distributed energy network that captures waste heat, utilizes seawater, and produces green hydrogen on-site, providing robust technical support for coastal regions [2]