燃料电池汽车PEMFC技术空间分布及其演变

Research on Spatial Distribution and Evolution of PEMFC Technology for Fuel Cell Vehicles

近年来,PEMFC技术逐渐成为各国新能源汽车动力技术的研究热点。选取德温特专利数据库PEMFC技术相关专利数据,统计分析各国技术专利申请量变化。以PEMFC技术专利为载体,了解各国PEMFC技术发展特点,解析现有发展格局成因,并预测未来发展趋势。专利数据反映了各国技术研发实力的高低与市场容量的大小,可根据各国在该技术领域专利申请量差异及变化,识别PEMFC技术强中心与弱中心,描述发展速度变化,解释相互间关系。统计发现,日本PEMFC技术中心现象突出。根据PEMFC技术发展曲线,构建预测模型,可知中国未来有望成为该领域世界强中心。

In recent years,PEMFC technology has gradually become a research hotspot of new energy vehicle power technology in various countries.Studying the spatial distribution and evolution of PEMFC technology has important strategic significance for the development of fuel cell vehicles in China.Select patent data related to PEMFC technology of Derwent patent database,apply SPSS and other software for statistical analysis,and draw the spatial distribution and development change chart of technology patent.Using PEMFC technology patents as a carrier to understand the development characteristics of PEMFC technology in various countries,analyze the causes of existing development patterns,and predict future development trends.The spatial distribution map reflects the level of technological R&D strength and market capacity of each country.According to the differences and changes in the number of patent applications in the technical field,the PEMFC technology strong center and weak center can be identified,the development speed changes and the relationship between them are explained.Statistics show that the PEMFC technology center in Japan is prominent.According to the PEMFC technology development curve,analyze the influencing factors and construct a prediction model to predict the future changes of the PEMFC technology center.