A proton conductive polymer/ceramic particle composite or composite membrane, consisting of a polymer and oxide nanoparticles with intercalated water and high surface hydroxyl concentration, is new. A novel proton conductive polymer/ceramic particle compos...

The invention provides a proton conductive resin composition from which proton conductive membranes exhibiting high proton conductivity can be obtained without treatment to increase the acid concentration in the membrane. The invention also provides a meth...

An ion exchange composition membrane is made up of dispersed natural clay and/or organized clay in ion conducting polymeric film as a methanol barrier material. The membrane exhibits low methanol crossover, high proton conductivity and is thus suitable for...

It is an object of the present invention to provide a proton-conducting membrane, excellent in resistance to heat, durability, dimensional stability and fuel barrier characteristics, and showing excellent proton conductivity at high temperature. It is anot...

The invention relates to gel-like membranes comprising ceramic materials and intended for electrochemical cells.