Energy storage is one of the most crucial elements in the 21st century. Our mobile society requires tailor-made energy storage solutions for several technologies. Additionally, the demand for stationary energy solutions is steadily growing due to the unsteadiness of renewable resources. In this context, polymeric materials offer great possibilities for the fabrication of energy storage devices � from the small scale (e.g., printable batteries) up to the large scale (e.g., redox flow batteries). The utilization of the organic polymeric material circumvents the usage of toxic/harmful and often critical raw materials (e.g., cobalt, vanadium and other metals). In this context the synthesis and detailed characterization of polymers featuring distinct redox sites based on chinones, nitroxides and other stable radicals (e.g., galvinoxyl radical, phenoxy radicals) will be presented. These materials are used to fabricate polymer-based batteries (see Figure 1). Cathode active materials (e.g., TEMPO based polymers) can be combined either with metallic anodes (zinc, lithium) or with polymer-based anodes. For latter electrodes, galvinoxyls, phenoxy radicals have been applied. The fabrication of these polymer batteries was also accomplished by printing techniques (screen printing, inkjet printing).Moreover, also large scale batteries (i.e. RFBs) can be fabricated on polymer basis. Electroactive polymers have been applied in the electrolyte of RFBs. By this manner the vanadium or other metals can be replaced.  Figure 1: Polymer based battery.

Polymer-based batteries: From organic radical batteries (ORBs) to redox flow batteries (RFBs)

248th National Meeting (2014)

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