氢能凭借其清洁低碳、能量密度高及可再生利用等特性，已成为推动全球能源体系深度脱碳与结构转型的战略性能源载体。作为连接氢能产业上游制氢和下游用氢的关键枢纽，液氢储运是支撑氢能大规模、跨区域和低成本应用的重要可行路径。本文基于全球专利数据，具体分析液氢储运技术领域的专利申请趋势、地域分布、主要申请主体和技术功效情况，研究液氢储运技术创新发展态势，进一步支撑氢能产业高质量发展。

With its clean, low-carbon, high energy density and renewable characteristics, hydrogen energy has become a strategic energy carrier to promote the deep decarbonization and structural transformation of the global energy system. As a key hub connecting upstream hydrogen production and downstream hydrogen use in the hydrogen energy industry, liquid hydrogen storage and transportation is an important feasible path to support large scale, cross-regional and low-cost applications of hydrogen energy. Based on global patent data, this article specifically analyzes the patent application trend, geographical distribution, main applicants and technology efficacy in the field of liquid hydrogen storage and transportation technology, studies the innovation trend of liquid hydrogen storage and transportation technology, and further supports the hydrogen energy industry.