[PDF] Top 20 Gas-liquid phenomena with dynamic contact angle in cathode of proton exchange membrane fuel cells

... of liquid water and line contours of contact ...When liquid water enters into the gas flow channels, some splashed droplets floating in ...more liquid water coming from seven parallel ... See full document

... the cathode GDL under the channel as seen in Figure ...the liquid water emerges from the porous media at the channel-end due to the fact that there is no flow exit of the inlet ...the gas flow ... See full document

... of liquid was not included in the mathematical ...transport phenomena of PEMFCs. In the following section, the temperature, liquid water saturation and solid phase potential of PEMFCs at the ... See full document

... of fuel cells turns around of the water ...the proton conductivity and increases the cell resistance and the cell voltage ...the cathode causes flooding; the water blocks the supply gases in ... See full document

... that liquid flow smoothly before the bubble arrive the ...in liquid phase around the T-junction are enlarged when the gas slug trying to cover the exit of liquid inlet channel as shown in Fig ... See full document

... the gas-vapour mixture can condense along the gas tube before entering the fuel ...the gas temperature higher than the bubble ...the fuel cell test station are controlled by the ... See full document

... The gas temperatures and the dew point temperatures are set at the test stand to monitor the gas temperature and the relative humidity is controlled through the dew point ...heated gas lines connect ... See full document

... GO was prepared from graphite powder (Merck) by the method of modified Hummers and Offeman [27]. In a common procedure, 50 mL of H 2 SO 4 was added into a 500 mL uask containing 2 g graphite at room temperature. The uask ... See full document

... Materials and design approaches have been developed so that SOFC technology, particularly the Siemens Westinghouse tubular cell configuration, is technically feasible. However, the application of the materials used in ... See full document

... single fuel cell consists of an electrolyte sandwiched between two thin electrodes (a porous anode and ...different fuel cell types, all work on the same principle: Hydrogen, or a hydrogen rich fuel, ... See full document

... The ftel cel stack model contains four interacting sub-models which are stack voltage mod€I, anode flow model, cathode flow modei and membrane hydration mode1. The voltage model cont[r] ... See full document

... composite membrane was prepared by incorporation of phosphotungstic acid (PWA) and silicotungstic acid (SWA) into sulfonated polystyrene ethylene butylene polystyrene (SPSEBS) by solution casting ...and ... See full document

... and gas clean up system for use with gasoline with a start up and response time giving a fuel cell powered vehicle similar performance to that of the conventional ICE ...stationary fuel cells ... See full document

... the gas was not humidified at the anode and the cathode, the flow rate was 70 mL/min at the anode and 1 L/min at the cathode, the temperatures was 40 _C, the transparent PEMFC was loaded at a ... See full document

... However, improved stack performance must be demonstrated not only with pure hydrogen fuel but also, moreparticularly, with reformate fuel, where tolerance to poisoning by carbon [r] ... See full document

... DOI: 10.4236/epe.2019.118019 308 Energy and Power Engineering known probability distribution. The nonparametric estimation is a model-free tool for reliability data analysis, which involves analytical and graphical tech- ... See full document

... for proton exchange membrane fuel cells ...on fuel cell ...ratio, membrane thickness and gas diffusion layer ... See full document

... asbestos membrane containing IL in the temperature range of 25 o C to 150 o ...asbestos membrane containing IL is lower than that of pure IL, but a specific conductivity of ...Nafion membrane, ... See full document

... Microbial fuel cells are not only sewage purification devices, but also have good electricity production ...the proton exchange membrane with polypyrrole can effectively improve the ... See full document

... This online database contains the full-text of PhD dissertations and Masters’ theses of University of Windsor students from 1954 forward. These documents are made available for personal study and research purposes only, ... See full document