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