Mesoporous nitrogen-doped carbon is widely utilized in catalysis due to its high surface area and active sites, making it effective in reactions like oxygen reduction in fuel cells. It is also employed in energy storage devices, such as supercapacitors and lithium-ion batteries, where its porous structure enhances ion transport and storage capacity. Additionally, this material is used in gas adsorption and separation processes, leveraging its ability to selectively capture gases like CO2. Its nitrogen doping further improves conductivity and chemical stability, making it suitable for electrochemical sensors and environmental remediation applications.