Metal-Hydride-Based Hydrogen Storage as Potential Heat Source for the Cold Start of PEM FC in Hydrogen-Powered Coaches: A Comparative Study of Various Materials and Thermal Management Techniques

The successful and fast start-up of proton exchange membrane fuel cells (PEMFCs) at subfreezing temperatures (cold start) is very important for the use PEMFCs as energy sources automotive applications. effective thermal management major importance. When hydrogen stored in hydride-forming intermetallics, significant amounts heat are released due to exothermic nature reaction. This excess can potentially be used PEMFC accelerate cold start. In current work, this possibility extensively studied. Three intermetallics introduced their hydrogenation behavior evaluated. addition, five scenarios metal hydride beds studied order enhance kinetics hydrogenation. optimum combination intermetallic, behavior, weight complexity system was chosen study coupling with PEMFCs. A 1D GT-SUITE model built stimulate a 100 kW cell stack hydride. results show that from able reduce start by up 8.2%.