Dresden 2014 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

CPP: Fachverband Chemische Physik und Polymerphysik

CPP 24: Transport and Confinement II

CPP 24.3: Hauptvortrag

Dienstag, 1. April 2014, 15:30–16:00, ZEU 260

Ion Conducting Polymers for Fuel Cells and Batteries: Where Polymer-chemistry meets Electrochemistry — •Klaus-Dieter Kreuer — Max-Planck-Institut für Festkörperforschung, Stuttgart

Ion conducting polymers may simply be polymers with dissolved salts, acids or bases, but they may also be ionomers or polyelectrolytes in which the ionic groups are part of the polymer structure. In both cases, ionic interactions strongly influence the formation and mobility of ionic charge carriers, selective ionic transport, the visco-elastic behavior and even nano-scale ordering. This presentation provides experimental evidence for these effects in ion conducting polymers, which are used as membrane materials in electrochemical energy conversion and storage devices (fuel-cells and batteries), and the implications for the functioning in these devices are discussed. Based on this understanding, suggestions are being made for the modification of existing and the development of new membrane types.

K.D. Kreuer Chemistry of Materials 25th anniversary issue 2014