Page 1041 - B2B All Year Round Vol.8
P. 1041

MEA development process




    MEAs are developed systematically considering cost, power performance, durability, robustness,
     and reliability.


                                              VOC
                                                                                             Quality
                                                                           IQC              Committee
     Cost                                 Cost Analysis


                                            Select Raw                   Process
                                             Material


     Power performance                    Slurry Design                  Coating            Reliability

                                         Electrode / MEA
                                         Structure Design                  PQC               Disposal

      Temperature        Humidity         BOL Evaluation
       Sensitivity      Sensitivity                                   Interfacial layer


    Robustness                                BOL                       Lamination
                                              Target
                         Electrode          Membrane                    Sub gasket             PQC
     Durability          Durability         Durability

                                               ADT                         GDL
                                              Target

                                         Actual Durability
                                              Test                      Packaging

                                              Target                      OQC


                                            Decision of
                                           MEA design                    Delivery



    Production of 3 / 5 / 7 layered MEA with Scale-up product capacity

             Slurry                 Electrode            Interfacial Layer            Assembly










            Rheology analysis    Loading profile              3-layer thickness          7-layer thickness





                                              Cpk >1.33
                                              (6-sigma)
   1036   1037   1038   1039   1040   1041   1042   1043   1044   1045   1046