ePTFE-Supported Polyelectrolyte Membranes Made with Ionomer-Kynar Blends

摘要

A composite membrane for fuel cells includes an expanded polytetrafluoroethylene substrate having a predefined void volume, a first polymer and a second polymer each of which fill at least a portion of the void volume. The first polymer includes the following chemical moiety:; ;Polymer electrolyte membranes and fuel cells incorporating the composite membrane are also provided.