The Hydrogen Market Will Grow, as researchers develop a method, LOHCs can be used to extract hydrogen.
Posted On April 16, 2022
One possible option in the nationwide endeavor to reduce reliance on fossil fuels is hydrogen fuel. Chemical storage is one method of storing hydrogen. Chemical storage, such as that found in LOHCs (Liquid Organic Hydrogen Carriers), is based on materials that react with hydrogen molecules and then store them as hydrogen atoms. This kind of storage allows vast amounts of hydrogen to be kept in small volumes at ambient temperatures. However, catalysts are required to activate LOHCs and release hydrogen for the hydrogen to be functional. Dehydrogenation is the name for this process.
New research has further provided inputs on LOHCs. They state that LOHCs are a type of substance that can be used to extract hydrogen. The process does not need the use of metals or additions. Thus, it can occur at room temperature and under typical atmospheric conditions. The novel system could significantly contribute to the Hydrogen Market. It represents a possible new answer to a long-standing barrier to hydrogen fuel adoption in transportation and other applications.
The system design does not require any metals or additions. All that is needed is to place the metal-free catalyst in the LOHC. The hydrogen gas then escapes, even at room temperature, making the process simple.
Nitrogen and carbon make up the catalyst. The nitrogen structure is crucial to its efficiency. Because of the distinctive closely spaced graphitic nitrogens as a nitrogen assembly generated during the carbonization process, catalytic activity can occur at ambient temperature. In LOHCs, the nitrogen assembly catalyzes the breaking of carbon-hydrogen (CH) bonds and enables hydrogen molecule desorption. This procedure allows the catalyst to outperform other catalysts already in use.
The discovery will have a good impact on reducing CO2 emissions. But more efficient catalytic systems still have to be built.
The transportation sector accounted for 29% of total carbon dioxide emissions in the United States in 2019. This method's convenience and efficiency may benefit the transportation industry in the future. The benefits of mixing LOHCs with a catalyst like this one are obvious. Compared to present technologies, the combination can recover usable hydrogen from storage at a cheaper cost and under gentler conditions. A higher hydrogen density can deliver a higher charge to hydrogen fuel cells, allowing them to power automobiles over longer distances.
According to the team, this research is a significant step toward the U.S. goal of becoming carbon-neutral by 2050 by providing an easy and efficient approach to dehydrate LOHCs.