German scientists have recently developed a new process for the storage and preparation of hydrogen fuels using organic carrier fluids and special catalysts, simplifying the two devices required for the initial handling of hydrogen fuel into one device. The new process can greatly reduce the cost and energy consumption and is of great significance to the energy transformation.
One of the most effective ways to use renewable energy is to use electrolyzed water to make hydrogen and then store it for future use. High-efficiency hydrogen storage technology has always been a key issue for scientists from all over the world. In the latest research, the scientists of the Institute of Renewable Energy at the Ulrich Research Center and the University of Erlangen-Nuremberg have combined a special organic carrier liquid with hydrogen fuel to form a stable chemical for safe storage of hydrogen fuel. Easy to transport. According to Joshic, an expert at the Ulrich Research Center, the storage and release of hydrogen fuel is a reversible chemical reaction. The two reaction steps are different. Each requires a special catalyst, so the loading and unloading of organic carrier fluids and hydrogen fuels is The two devices are performed separately.
In order to combine the two devices into one, the researchers developed a special catalyst that enables hydrogen fuel loading and unloading reactions to catalyze effectively at the same temperature. Therefore, in one device, hydrogen can be changed by changing the pressure. The storage and release of fuel greatly simplifies the requirements for hydrogen fuel storage on the equipment and can save 30% to 50% of equipment costs.
Another great benefit of the new process is that it can make full use of the heat of chemical reactions generated when the stored hydrogen fuel is released. According to Chowk, the operating temperature of hydrogen storage equipment is currently around 150 degrees Celsius; the operating temperature of hydrogen fuel release equipment is around 300 degrees Celsius. Although it is theoretically possible to provide the reaction heat at the time of storage of the hydrogen fuel for release, the above-described idea is difficult to achieve because the chemical reaction temperatures of the two devices are different. While the new process stores hydrogen fuel at higher temperatures and the heat generated can be used directly for release, the researchers also developed a high-temperature hydrogenation process and a corresponding catalyst.
According to experts, the greatest benefit of this integrated hydrogen fuel device compared to the currently used separate hydrogen fuel devices is that the storage and preparation of hydrogen fuel is very convenient, and it is very beneficial to the industrial production of hydrogen fuels for storage and hydrogen production. It is also very useful for the safe and steady use of solar wind energy, and it will have a lot to do in the future renewable energy system. (Reporter Gu Gang)
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