Hydrogen energy and fuel cell technology are critical clean energy roads to pursue carbon
neutrality. The proton exchange membrane fuel cell (PEMFC) has a wide range of …

The increasing need for thermal comfort has led to a rapid increase in the use of cooling
systems and, consequently, electricity demand for air-conditioning systems in buildings …

Fuel cell systems typically use a hydrogen supply cycle system to circulate and transport
unreacted hydrogen to the anode to maximize the fuel cell's fuel efficiency and fuel …

The ejector-based hydrogen supply and recirculation system (HSRS) for a Proton Exchange
Membrane Fuel Cell (PEMFC) system has the advantages of compact size and zero power …

The ejector is the core component for hydrogen recirculation in a proton exchange
membrane fuel cell (PEMFC) system. However, in the past, the computational fluid dynamics …

The actual operating boundary conditions under different Proton Exchange Membrane Fuel
Cell (PEMFC) power outputs are considered to evaluate the performance of a confocal twin …

In this study, a multi-nozzle ejector is proposed for hydrogen recirculation in proton
exchange membrane fuel cell (PEMFC) systems. Numerical simulations are performed on …

The ejector enables hydrogen recycling, offering advantages of non-parasitic power and low
noise. However, traditional ejector falls short in operating the proton exchange membrane …

The ejector-driven hydrogen recirculation in the polymer electrolyte membrane fuel cell
(PEMFC) system is a promising alternative to the pump-driven approach due to its …

The anode subsystem of PEM fuel cells has to supply hydrogen in the required temperature,
pressure, mass flow and concentration range under all operating conditions. At present …