Development of the BOP Bench System for PEM Fuel Cell Vehicles at Hyundai MOBIS

We have developed a BOP test bench of 80kW-class PEMFC systems to evaluate the performance and optimize the size of the core components of the BOP for fuel cell vehicles. The BOP components including heat exchangers, water pumps, deionizers, and compressors are connected to provide the reactant gases and the coolant to a mock-up stack which is designed to reasonably simulate the electrochemical phenomena of an actual stack. Sensors and actuators are installed between the inlets and outlets of the components, and are connected to the data acquisition and control systems to control pressure, temperature, flow rate and humidity of the used fluids.