作者: Ranoo Pathak , Suddhasatwa Basu
DOI: 10.1016/J.ELECTACTA.2013.08.033
关键词: Oxygen transport 、 Specific surface area 、 Overpotential 、 Cathode 、 Anode 、 Alkaline fuel cell 、 Conductivity 、 Chemistry 、 Electrolyte 、 Inorganic chemistry
摘要: Abstract A mathematical model for anode and cathode together with anion exchange membrane (AEM) is developed to predict the performance of AEM based direct glucose fuel cell (DGFC). The considers mass transport through anode, oxygen cathode, reaction kinetics ohmic resistance effects catalyst layer electrolyte. Dusty fluid from literature used prediction hydroxyl ions conductivity in AEM. Experiments were conducted prepared Pt-Bi/C Pt/C (Fuma-Tech) as electrolyte operate an DGFC measure current density-cell potential characteristics. predicts well experimental data that available literature. influence different parameters operating conditions such anionic conductivity, surface area, concentration, KOH concentration on investigated. results show increase ionomer phase, within certain limit, increases performance. Diffusive convective equally dominates at low density, but only higher density. anodic overpotential large compared cathodic overpotentials due complex electro-oxidation. excessive specific area may not lead decrease activation or region limited flux layer.