| abstract |
An ion-conducting membrane structure comprising (i) an ion-conducting membrane wherein said membrane has a first face and a second face, (ii) a first hydrogen peroxide decomposition catalyst and (iii) a first radical scavenger, wherein the first hydrogen peroxide decomposition catalyst is in a first layer on the first face of the ion-conducting membrane in an amount from 0.01 to 15μg/cm 2 or the first hydrogen peroxide decomposition catalyst in embedded within the ion-conducting membrane in an amount from 0.001 to 5% by weight is disclosed. |