| abstract |
【Task】 The present invention relates to a proton conducting composite comprising a polymer matrix in which inorganic particles are dispersed, and at least one proton exchange acid group or a precursor group of the acid group is optionally provided on the particle surface in the form of a salt. A polymer containing one repeating unit is grafted, and the particles are selected from zeolite particles, zirconium phosphate or zirconium phosphonate particles, and oxide particles. Application in the field of fuel cells. [Selection figure] None |