| http://www.w3.org/ns/prov#value | - C. to give the desired polybenzimidazoles.To produce polymer films, the PBI is, in a further step, dissolved in polar, aprotic solvents such as dimethylacetamide (DMAc) and a film is produced by classical methods.Proton-conducting, i.e. acid-doped, polyazole membranes for use in PEM fuel cells are already known.
|
