邢承治 1赵明 1尚超 1张思婧 1张自力 1刘杨1
作者信息
- 1. 中化学建设投资集团科技产业发展有限公司||中化学建设投资集团有限公司,北京 102308
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摘要
Abstract
Under the"dual-carbon"strategic goal,the hydrogen energy industry has undergone rapid and extensive development.The upstream hydrogen production resources are abundant,and the downstream hydrogen market is expansive.However,the cross-regional imbalance in hydrogen energy supply and demand has led to a critical bottleneck in midstream hydrogen energy storage and transportation,hindering the further progress of the hydrogen energy industry.In response to this challenge,liquid organic hydrogen-carrying(LOHC)storage and transportation technology was developed.This method,employing a chemical hydrogen storage approach,perfectly overcomes the defects of physical hydrogen storage methods,such as high-pressure gas hydrogen storage and low-temperature liquid and metal solid methods.Compared with other hydrogen energy storage and transportation technologies,LOHC has outstanding advantages in safety,cost,technology,efficiency,and other aspects.It is expected to address the shortcomings in hydrogen energy storage and transportation,thus enhancing the hydrogen energy industry chain.Herein,three main LOHC storage and transportation technologies,namely methylcyclohexane,N-ethylcarbazole,and dibenzyltoluene,are compared and analyzed from the aspects of process principle,hydrogen storage carrier,comprehensive cost,and research and development.The analysis suggests that these three LOHC technologies,having completed theoretical research,experimental verification,and pilot scale,are poised for industrial popularization and application.In the future perspective,the new application scenarios of two LOHC storage and transportation technologies,including large-scale hydrogen energy storage and transportation bases and distributed dehydrogenation and hydrogenation integrated stations,are analyzed.The challenges and research directions of LOHC storage and transportation technology are summarized while providing hopeful suggestions for the future.关键词
氢能/有机液体载氢(LOHC)/储运/应用场景Key words
hydrogen energy/liquid organic hydrogen carrier(LOHC)/storage and transportation/application scenarios分类
化学化工
