Transport properties of SPEEK nanocomposite proton conducting membranes: Optimization of additives content by response surface methodology
作者： Hamid Ilbeygi , A Mayahi , AF Ismail , MM Nasef , J Jaafar
DOI: 10.1016/J.JTICE.2014.08.005
关键词: Methanol 、 Central composite design 、 Polymer chemistry 、 Nanocomposite 、 Selectivity 、 Response surface methodology 、 Direct methanol fuel cell 、 Conductivity 、 Membrane 、 Materials science 、 Chemical engineering
摘要: Abstract The addition of Cloisite 15A ® Clay (CC) and 2,4,6-triaminopyrimidine (TAP) to enhance the transport properties sulfonated poly ether ketone (SPEEK) nanocomposite membrane, which is a promising candidate for direct methanol fuel cell (DMFC) application, was investigated. central composite design (CCD) response surface method (RSM) utilized optimize content incorporated additives in SPEEK membrane predict its performance. Three models correlating independent parameters (contents added CC TAP) responses (proton conductivity, permeability selectivity) were developed verified with experimental data. optimum achieving highest performance represented by 2.56 × 10 −6 (cm/s), proton conductivity 17.12 (mS/cm 2 ) selectivity 55773.7 sS/cm 3 obtained at contents TAP 2.92 5.68 wt%, respectively. deviation corresponding data found be an acceptable range, confirming suitability RSM predicting optimizing contents. showed improved structure as revealed field emission scanning electron microscopy (FESEM).
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