Electroactive Polymers as Battery Electrodes
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Plastic power, or energy storage platforms primarily consisting of polymers, offers opportunities never before available in current state-of-the-art prismatic or coin cells, such as flexible, structural, or stretchable energy storage. Electroactive polymers, a class of polymers that undergoes reversible reduction and oxidation, are currently explored as electrodes in batteries and electrochemical capacitors. Used alone or as part of a hybrid electrode, electroactive polymers are rapidly growing in interest due to their redox activity, conductivity, synthetic versatility, and mechanical properties. We will first introduce how electroactive polymers operate, their specific challenges, and latest advances specifically in batteries. Then, we will highlight spray-on polyaniline nanofiber-graphene based cathodes evaluated against lithium metal anodes. Finally, we will also present highly flexible and mechanically tough V2O5 hybrid electrodes, enabled by an electroactive block copolymer.
