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You are here: Home Events Prof. Ulrich S. Schubert "Polymer-based batteries"

Prof. Ulrich S. Schubert "Polymer-based batteries"

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Laboratory for Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Germany

What
  • Seminar
When Aug 12, 2013
from 10:30 AM to 11:30 AM
Where Amphithéâtre Henri Benoît, ICS, Strasbourg, France
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Batteries are indispensable in our everyday life – for instance in mobile phones and laptops as well as in small consumer goods. However, most of the current battery materials are still based on rare elements/compounds, which are moreover often environmentally hazardous or even toxic. Polymeric materials, which can be used as active materials within a battery, offer new possibilities for the design of materials. By choice of the right organic material, the batteries becomes more environmentally friendly. The utilization of typical polymer properties enables other processing techniques, e.g., printing of batteries as well as the design of flexible batteries.

The synthesis and design of such polymeric materials will be presented. In particular, polymers bearing stable organic radicals are suitable materials for organic charge storage devices. Batteries based on these materials are termed organic radical batteries (ORBs). Due to their reversible redox behavior, 2,2,6,6-tetramethylpiperidine 1-oxyl (TEMPO) as well as phenoxyl and verdazyl radicals are suitable candidates for the design of ORBs. These materials are suitable for the fabrication of polymer-based batteries.

Furthermore, the use of polymers permits processing via different printing techniques. Reactive ink-jet printing, being contactless and economical, enables the fabrication of tailored electrodes/battery layouts. Screen printing facilitates the “large-scale” fabrication of polymeric electrodes.

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