Sulfonated polyphenylene solid polymer electrolytes having high proton conductivity are provided, which are stable and which maintain high conductivity at temperatures of 100.degree. C. and above. These membranes are useful as solid polymer electrolytes for fuel cells and can be operated above the boiling point of water.
提供了具有高质子传导性的磺化聚苯固态聚合物电解质,其稳定并在100℃及以上的温度下保持高传导性。这些膜可用作燃料电池的固态聚合物电解质,并可在
水的沸点以上操作。