基于专利分析的储氢材料发展对策研究

Research on Developing Countermeasures of Hydrogen Storage Materials Based on Patent Analysis

氢能是绿色低碳的二次能源,具有广阔的应用前景。在氢能的利用过程中,氢气的高效储存成为阻碍其发展的核心技术之一。介绍了全球储氢材料领域的专利申请趋势、技术构成、技术构成功效、专利申请人排名及专利申请地域趋势;从专利分析的视角,对储氢材料的发展历程、技术构成等进行了深入分析;指出自2014年以来,全球储氢材料专利申请数量呈现迅猛的增长态势,技术构成主要集中在固态储氢材料和高压储氢材料上,从申请人地域分布来看,中国在全球储氢材料的专利申请量最多,反映出中国储氢材料技术在过去10年里已经取得显著的提升;基于专利分析的结果并结合我国氢能发展的实际情况,提出了以高压储氢技术为主导、以固态储氢技术为潜力所在且辅以低温液化储氢技术的协同发展路径,并针对氢能产业链中储运环节的关键技术——储氢材料的发展提出了对策建议。

Hydrogen energy is a green and low-carbon secondary energy with a broad application prospect.In the process of utilizing hydrogen energy,the efficient storage of hydrogen has become one of the core technologies hindering its development.This paper introduces the patent application trends,technical composition,efficacy of technical composition,ranking of patent applicants and regional trends of patent application in global field of hydrogen storage materials;deeply analyzes the development history and technical composition of hydrogen storage materials from the perspective of patent analysis;and points out that since 2014,the number of global patent applications for hydrogen storage materials has shown a rapid growth trend,and the technical composition is mainly concentrated in solid hydrogen storage materials and high-pressure hydrogen storage materials,and China has the largest number of patent applications for hydrogen storage materials in the world from the perspective of the geographical distribution of applicants,reflecting that China’s hydrogen storage materials technology has made significant improvement in the past 10 years;and based on the results of patent analysis and combined with the actual situation of hydrogen energy development in China,proposes a collaborative development path with high-pressure hydrogen storage technology as the leading one,solid hydrogen storage technology as the potential one and supplemented by low temperature liquefied hydrogen storage technology,and puts forward corresponding countermeasures and suggestions for the development of hydrogen storage materials,which is the key technology of storage and transportation in hydrogen energy industry chain.