Application of response surface methodology to optimize direct alcohol fuel cell power density for greener energy production
作者： Paisan Kongkachuichay , Stuart M. Holmes , Paweena Prapainainar , Kanin Charoen , Chaiwat Prapainainar
DOI: 10.1016/J.JCLEPRO.2016.09.059
关键词:
摘要: Energy production from direct alcohol fuel cells depends strongly on the operating conditions. In this paper, aim was to find best conditions of methanol (DMFC) and ethanol (DEFC) obtain maximum power density with response surface method using Program Design Expert 7.0.0. Three related independent variables, including temperature in range 30–70 °C, flow rate 5–50 ml/min, concentration 0.5–3 M, were covered. Nafion117 used as an electrolyte Pt-Ru Pt catalysts anode cathode, respectively. The effect those variables illustrated form quadratic models which predicted appropriate Nafion membrane modified by adding mordenite (MOR) improve its permeability. result revealed that higher temperatures concentrations led increase density, both DMFC DEFC. had a greater current than DEFC had. This because easier oxidize addition, it found MOR content 1.47 wt% composite reduced permeability resulted density. Therefore, model suggested optimum produce greener energy (less resource use high produced).
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