Abstract:Currently, rapidly developing future industries such as artificial intelligence, future networks, life engineering, and hydrogen energy are driving the transformation of the entire industry system towards intelligence, greenness, and integration. This is leading to unprecedented development opportunities and challenges for the global economy. Identifying key core technologies in the innovation chain of future industries can help to advance the layout of a batch of industrial technology research and development projects, form a first mover advantage in future industrial development, and then build a modern industrial system led by future industries. The hydrogen energy industry is on the eve of the industrial explosion, but at present, there are some problems in the relevant technical analysis, such as insufficient data integrity, relatively old data, lack of quantitative technical evaluation and clear key core technology identification results. Therefore, starting from the demand for industrial innovation decision-making in the construction of future industries, focusing on the support and leadership of key core technologies for future industries, based on relevant global patent data, using the new patent cross-impact analysis method (NPCIA), a method for identifying industry key core technologies that combines technology influence and novelty is constructed. Taking the signing of The Paris Agreement in 2015 as a landmark event, global hydrogen industry patent data from 2015 to the present are selected from the PatSnap database as samples. Using these data, this paper identifies several key technologies that need to be focused on conducting excellent and leading research, which due to the active development of the hydrogen energy industry and the formation of future industrial advantages. These technologies mainly include green hydrogen production technology represented by electrolyzed water, hydrogen storage material technology represented by solid-state hydrogen storage media and carbon fiber composite materials, hydrogen refueling technology with transportation and energy storage as key scenarios, hydrogen application technology with fuel cells as the core, and hydrogen safety and intelligent supporting technologies that affect the development of the entire industry chain. This method is based on the situational needs of future industry construction, and is based on patent data analysis to achieve the identification of key core technologies that emphasize both technological influence and novelty. It aims to outline a technological roadmap for future industry development, which will provide methodological support for decision-making on condensing key directions and layout of key core technology research projects in future industrial development.