Abstract:

Hydrogen, as a promising clean energy, has long been considered as a bridge connecting fossil energy to renewable energy and an important carrier for the supply and circulation of sustainable energy, leading to significant research and development investment in many countries. Hydrogen production technology is one of the most important technical aspects of the hydrogen utilization. This paper summarizes and analyses the research status and R&D efforts in hydrogen production technologies in China based the patent literature. Then identifies the mainstream technology and problem existed of hydrogen production based on literature review. Recommendations are given for hydrogen production technologies and industrial development in China.

Key words:  hydrogen energy, hydrogen production technology, patent analysis, process route, development status