Direct methanol fuel cell (DMFC) test bench with climatic chamber

Test bench designed and built by PiCoHiMA with a climatic chamber making it possible to regulate the working temperature of the DMFC up to 80°C. It consists of a cylinder of O2 and another of N2, both gases compressed at 200 bars with a pressure reduction valve, a Bronkhorst EL-FLOW Select O2/N2 mass flow controller, a humidifier (two wash bottles connected in series, containing Milli-Q grade water), a Bronkhorst EL-PRESS pressure controller, a tank of aqueous methanol solution, a Jasco PU-2086 isocratic fuel supply pump, a Julabo F33-ME circulation cryothermostat, a 120 mm fan, a DC power source for the Ayscom N6700B fan, an Ayscom 6 1/2 digit Truevolt DMM multimeter, an Ayscom N3304A DC electronic load module, an Ayscom DAQ 64-CH or 32-CH data acquisition system, 500 kS/s with signal conditioning and a USB adapter, a computer with an Intel Core i7 processor, and two methacrylate urns with a heat exchanger.