Home > News > Content
Chinese Scholars Invented A New Type Of Catalyst, Can Significantly Improve The Efficiency Of Carbon Dioxide Hydrogenation Reaction
Dec 13, 2017

Recently, Professor Zeng Jie from National University of Science and Technology of China, Hefei Microscale Materials Science Research Group made important progress in the field of new energy research. They invented a new type of cobalt nitride catalyst, under the same conditions of carbon dioxide hydrogenation reaction conversion Up to 64 times the frequency of conventional cobalt catalysts and significantly lower energy consumption. International authoritative academic journal "Nature · Energy" October 9 online publication of the results.

Modern industry relies heavily on the use of fossil fuels, not only for energy depletion but also for the environment. Therefore, the development of renewable energy, improve energy efficiency is an important issue. Carbon dioxide hydrogenation reaction is an important reaction in low-carbon chemistry. On the one hand, it can synthesize chemical raw materials, relieve the pressure of carbon dioxide emission and realize the recycling of carbon energy; on the other hand, methanol can be synthesized to realize the storage and utilization of hydrogen resources.

However, due to the chemical inertness of carbon dioxide, the hydrogenation reaction of carbon dioxide needs to be realized under the conditions of high temperature and high pressure, and the conversion process has the problem of excessive energy consumption. For decades, human activity of non-noble metal catalysts in the hydrogenation of carbon dioxide is still in its infancy.

Recently, Professor Zeng Jie group formed a cobalt nitride catalyst by a new method. Under 32 atmospheres and 150 degrees Celsius, the conversion frequency is 64 times that of the cobalt catalyst under the same conditions, and its apparent activation energy is only half that of the cobalt catalyst about. Their further study showed that the hydrogen atoms of cobalt and nitrogen hydride directly added to the carbon dioxide molecules can form formate species as an intermediate product, thereby significantly enhancing the activity of carbon dioxide hydrogenation reaction.

According to reports, the study in a simple and effective way to deepen the international community on cobalt-based catalysts in the hydrogenation of carbon dioxide in the active phase understanding of the future for the search for cheaper and more efficient carbon dioxide hydrogenation catalyst provides a new idea, It will also lay the foundation for a complete solution to the energy and environmental problems in the future.