视频｜海水制氢，中国突破！Video | Hydrogen Production from Seawater, China Breakthrough!
我国首台套热耦合海水制氢联产装置在山东日照稳定运行超过1000小时，由中广核、崂山实验室、山东师范大学联合研发，攻克了海水制氢与海洋战略元素协同联产的全球性技术难题，标志着我国在海洋绿氢开发领域取得重要突破。
该装置在山东日照完成示范运行，是我国首个采用热耦合系统进行海水制氢的装置，成功实现海水制氢与海洋战略元素协同联产，为大规模、低成本的海洋绿氢开发提供了可行路径。
从工作原理看，该装置通过抽进海水、化掉余热，产出氢气、淡水和战略元素，全程不耗一滴淡水。经测试，装置每小时可产高纯氢气30标准立方米，年减碳约460吨，实现了资源综合利用与节能减排的双重效益。
与传统淡水电解水制氢相比，海水制氢直接以海水为原料，摆脱了对淡水资源的依赖，同时借助热耦合系统提升能量利用效率，契合沿海地区尤其是海洋资源丰富区域的绿氢生产需求。此次协同联产技术，还在制氢过程中同步提取海洋战略元素，进一步提升了项目的综合经济性。
崂山实验室、中广核、山东师范大学等产学研用单位的联合攻关，为装置从实验室走向工程示范提供了有力支撑。稳定运行超过1000小时，意味着该技术已通过较长周期的工况检验，为后续规模化放大积累了可靠的数据与工程经验。
业内认为，海洋绿氢被视为未来氢能供应体系的重要组成部分，而低成本、规模化开发是产业化的关键。此次热耦合海水制氢联产装置的成功示范，为我国沿海地区布局绿氢产业、推动海洋经济与新能源融合发展提供了新的技术路线。
China's first thermally coupled seawater hydrogen production and co-production device has operated stably for over 1,000 hours in Rizhao, Shandong. It was jointly developed by CGN, Laoshan Laboratory, and Shandong Normal University, overcoming the global technical challenge of co-producing hydrogen from seawater and strategic marine elements. This marks an important breakthrough for China in the field of marine green hydrogen development.
The device completed demonstration operation in Rizhao, Shandong. It is China's first device to use a thermally coupled system for seawater hydrogen production, successfully realizing the co-production of hydrogen from seawater and strategic marine elements, providing a feasible path for large-scale, low-cost marine green hydrogen development.
In terms of working principle, the device produces hydrogen, fresh water, and strategic elements by pumping in seawater and utilizing waste heat, without consuming a drop of fresh water throughout the process. Tests show that the device can produce 30 standard cubic meters of high-purity hydrogen per hour, reduce carbon emissions by approximately 460 tons annually, achieving the dual benefits of comprehensive resource utilization and energy saving and emission reduction.
Compared with traditional freshwater electrolysis for hydrogen production, seawater hydrogen production uses seawater directly as the raw material, eliminating dependence on freshwater resources. At the same time, it leverages a thermally coupled system to improve energy utilization efficiency, aligning with the green hydrogen production needs of coastal areas, especially regions rich in marine resources. This co-production technology also synchronously extracts marine strategic elements during the hydrogen production process, further enhancing the project's overall economic efficiency.
Joint efforts by Laoshan Laboratory, China General Nuclear, Shandong Normal University, and other industry-academia-research-use units have provided strong support for the transition of the device from laboratory to engineering demonstration. Stable operation for over 1,000 hours means the technology has undergone long-term operational testing, accumulating reliable data and engineering experience for subsequent scale-up.
Industry experts believe that marine green hydrogen is considered an important component of the future hydrogen supply system, and low-cost, large-scale development is key to industrialization. The successful demonstration of this thermally coupled seawater hydrogen co-production device provides a new technological route for deploying the green hydrogen industry in China's coastal regions and promoting the integration of the marine economy with renewable energy development.
[Source: Yangcheng Evening News]
[Editor: Xiao Neng]
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