低温液氢储存的现状及存在问题

Status and problems of cryogenic liquid hydrogen storage

储氢是氢能发展中的一个重要方面。低温液化储氢由于其储氢密度大、能量密度高等特点,具有很大的优势。首先分析了三种主流储氢方式的优缺点与发展现状,并针对低温液态储氢技术进一步展开,从被动绝热与主动绝热两个方面介绍了当前已广泛应用,以及新发展的绝热技术,指出其各自不足与未来的发展方向。另外还从低温容器设计的角度,对低温液氢容器的结构设计、选材以及安全性保障等方面进行了描述。

Hydrogen storage is one of the most significant problem in hydrogenic energy development. Because of its high storage density and high energy density, cryogenic liquid hydrogen storage has great advantage in hydrogen storage. Firstly, the advantages, disadvantages and development status of three main stream hydrogen storage methods were analyzed. For cryogenic liquid hydrogen storage technology,widely used, as well as newly developed thermal insulation technology were been introduced from two aspects of passive and active insulation, insufficient and development direction were pointed out. In addition to these, brief description of structural design, material selection and security were given from the perspective of cryogenic containerdesign.