Identification of the key variables in membrane electrode preparation for PEM fuel cells by a factorial design

This work aimed to characterize and optimize the variables that influence membrane electrode preparation using a design of experiment (DOE) approach in two steps. First, in the process of electrode preparation, the quantity of PTFE and drying time were found to have no significant influence whereas the drying temperature and atmosphere, and their interactions, were the significant variables on the Membrane Electrode Assembly (MEA) performance; a low drying temperature under the air atmosphere being the proper condition. In the second step, investigating the effect of Nafion content and drying temperature, it was found that the level of Nafion is critical to the cell performance. There was an optimal Nafion content. In the study, a 15% (w/w) level of Nafion and 80°C drying temperature for 0.5h under the air atmosphere were the optimal condition for prepartion of a MEA with 1mgcm−2 of Pt loading.

[1]  E. Passalacqua,et al.  Influence of the PTFE content in the diffusion layer of low-Pt loading electrodes for polymer electrolyte fuel cells , 1998 .

[2]  Z. Qi,et al.  Low Pt loading high performance cathodes for PEM fuel cells , 2003 .

[3]  Jiujun Zhang,et al.  A review of water flooding issues in the proton exchange membrane fuel cell , 2008 .

[4]  M. Linardi,et al.  Effects of membrane electrode assembly preparation on the polymer electrolyte membrane fuel cell performance , 2004 .

[5]  Frano Barbir,et al.  PEM Fuel Cells: Theory and Practice , 2012 .

[6]  E. Passalacqua,et al.  Influence of Nafion loading in the catalyst layer of gas-diffusion electrodes for PEFC , 1999 .

[7]  P. Piumsomboon,et al.  Optimum condition of membrane electrode assembly fabrication for PEM fuel cells , 2006 .

[8]  Jen-Ray Chang,et al.  Genesis and growth of platinum subnano-particles on activated-carbon characterized by X-ray absorption spectroscopy : effects of preparation conditions , 2005 .

[9]  In-Hwan Oh,et al.  Effect of the ionomers in the electrode on the performance of PEMFC under non-humidifying conditions , 2004 .

[10]  Peng-fei Shi,et al.  Dual-bonded catalyst layer structure cathode for PEMFC , 2006 .

[11]  G.J.M. Janssen,et al.  Water transport in the proton-exchange-membrane fuel cell: measurements of the effective drag coefficient , 2001 .

[12]  G. Sasikumar,et al.  Optimum Nafion content in PEM fuel cell electrodes , 2004 .

[13]  J. Song,et al.  Optimal composition of polymer electrolyte fuel cell electrodes determined by the AC impedance method , 2001 .

[14]  San Ping Jiang,et al.  A comparative study of CCM and hot-pressed MEAs for PEM fuel cells , 2007 .

[15]  L. Daza,et al.  PEMFC electrode preparation: Influence of the solvent composition and evaporation rate on the catalytic layer microstructure , 2005 .

[16]  Yu Wei,et al.  Dependence of high-temperature PEM fuel cell performance on Nafion® content , 2006 .

[17]  Arumugam Manthiram,et al.  Operation of thin Nafion-based self-humidifying membranes in proton exchange membrane fuel cells with dry H2 and O2 , 2005 .

[18]  G. Squadrito,et al.  Nafion content in the catalyst layer of polymer electrolyte fuel cells: effects on structure and performance , 2001 .

[19]  Peng-fei Shi,et al.  Nafion effect on dual-bonded structure cathode of PEMFC , 2006 .

[20]  M. Hunsom,et al.  Preparation of a high performance Pt–Co/C electrocatalyst for oxygen reduction in PEM fuel cell via a combined process of impregnation and seeding , 2011 .

[21]  Y. Sung,et al.  Performance enhancement of PEMFC through temperature control in catalyst layer fabrication , 2007 .