Hydrogen Adsorption Study using Functionalized Carbon Nanomaterials

Inevitable decreasing trend in the world supply of fossil fuels has sparked interest in new sustainable and renewable energy. Since then, hydrogen has been considered as the most potential replacement for fossil fuels. In this regard, lots of researches and studies have been carried out in order to find the most suitable storage adsorbent or system for hydrogen. In this hydrogen adsorption study, carbon materials such as Carbon Nanotubes (CNTs), Carbon Nanofibers (CNFs) and Activated Carbon (AC) are used. The carbon materials are modified with nitric acid to modify their surface properties, like texture and surface chemistry. Then, the raw and functionalized carbon materials are characterized in order to determine the functional group by using Fourier Transform Infrared Spectroscopy (FTIR). Next, Hydrogen adsorption capacity test is carried out using fixed bed reactor. The amount of hydrogen adsorption is then compared between different types of carbon materials before and after functionalization. The effect of functionalization on the hydrogen adsorption will be evaluated as well