公开(公告)号：US20040071881A1

公开(公告)日：2004-04-15

申请号：US10267910

申请日：2002-10-09

Applicant: Ballard Power Systems Inc.

Inventor： Haijiang Wang ,  Guy Ebbrell ,  Evelyn Lai ,  Steven Mallinson ,  Gianni Fiorini ,  Silvia Wessel

IPC: B05D005/12

CPC classification number: B01D67/0088 ,  B01D69/06 ,  C08J5/2287 ,  C08J2327/18 ,  H01M4/881 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8896 ,  H01M2008/1095

Abstract: An ion-exchange membrane may be continuously coated by depositing a catalyst composition on a release surface, drying the catalyst at an elevated temperature and then transferring the dried catalyst layer onto an ion-exchange membrane by applying pressure at a different elevated temperature. Also disclosed is an apparatus for thus continuously coating an ion-exchange membrane. The catalyst coated membrane is of particular use in polymer electrolyte membrane (PEM) fuel cells for which a membrane electrode assembly may be prepared by bonding fluid distribution layers to the catalyst coated membrane.

Abstract translation: 离子交换膜可以通过在释放表面上沉积催化剂组合物，在升高的温度下干燥催化剂，然后通过在不同的升高的温度下施加压力将干燥的催化剂层转移到离子交换膜上而连续地涂覆。 还公开了一种用于连续涂布离子交换膜的装置。 催化剂涂覆的膜在聚合物电解质膜（PEM）燃料电池中特别有用，通过将流体分配层粘合到催化剂涂覆的膜上，可以制备膜电极组件。