CAO Junwen, ZHENG Yun, ZHANG Wenqiang, YU Bo
The increasing resource consumption and environmental pollution in the current energy supply system dominated by fossil fuels is leading to a transformation of the energy structure of the world's energy supply. The Energy Internet is a new energy system based on information transmission, with renewable energy and nuclear energy as the primary energy supplies, with electrical energy as the core, and extensive energy storage. This ideal, future energy structure has the advantages of intellectualization, cleanliness, flexibility and others. Hydrogen is a secondary energy carrier with high caloric value, no pollution when burned, good long-term storage potential and easy long-distance transport. Thus, hydrogen will play a vital role in the Energy Internet as a energy storage, transmission and conversion medium. This article describes the importance of hydrogen in the future Energy Internet. In addition, this article relates recent progress in hydrogen production from nuclear energy in the Institute of Nuclear and New Energy Technology (INET), Tsinghua University, to the current status of the development of key technologies for hydrogen and its storage in the Energy Internet system along with future development prospects for hydrogen storage technologies.