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@INPROCEEDINGS{Oevermann:1025512,
      author       = {Oevermann, Steffen and Chiou, Min-Huei and Winter, Martin
                      and Brunklaus, Gunther},
      title        = {{C}ombinations of polymer-based cathode and electrolyte
                      materials for quasi-solid organic radical batteries enabling
                      high current density applications},
      reportid     = {FZJ-2024-02913},
      year         = {2024},
      abstract     = {In recent years, organic radical polymer-based batteries
                      (ORBs) have attracted substantial interest and attention,
                      primarily attributed to their remarkable features including
                      printability and rapid discharge capabilities. The latter is
                      bestowed by organic redox-active polymers (ORP) as pivotal
                      constituents that afford prompt and reversible redox
                      reactions. High-power densities of current ORBs are
                      particularly interesting in the frame of so-called
                      “Internet of Things” (IoT) devices that typically
                      discharge with high currents and short-duration pulse loads
                      for data transmission. Nevertheless, high current densities
                      could be a strong burden of the cells and necessitate close
                      attention to safety aspects of the battery materials.
                      Exploitation of many liquid electrolytes, in view of high
                      pulsed experiments, introduces inherent safety concerns due
                      to flammability of components. Here, a polymer-based cell
                      chemistry may be safer due to non-volatility and higher
                      viscosity that eventually prevent hazards even upon
                      mechanical abuse of the cells.In the present study, the
                      suitability of selected solid and quasi-solid polymer
                      electrolytes for operation with PTMA cathodes (Qtheo = 111
                      mAh g−1) and lithium anodes, respectively, is critically
                      evaluated. Solid polymer electrolytes may be afflicted by
                      challenges associated with poor electrical contacts,
                      exhibiting unfavorably large cell resistances, whereas the
                      incorporation of quasi-solid polymer electrolytes that
                      comprise flowable components allows for establishing good
                      electrochemical contacts at electrolyte-electrode
                      interfaces. A carbonate-based quasi-solid polymer
                      electrolyte showcases competitive electrochemical
                      performances, as demonstrated by initial specific discharge
                      capacities of more than 82 mAh g−1 at rates of up to 1C
                      (0.1 mAh) and by successful durability of the system, even
                      after repeated pulse discharges. The obtained insights from
                      this study are significant towards designing highly
                      competitive solid ORBs, also promoting exploitation of more
                      sustainable and safer materials, in this way paving a way
                      towards cell concepts for greener IoT applications.},
      month         = {Apr},
      date          = {2024-04-10},
      organization  = {Advanced Battery Power 2024, Münster
                       (Germany), 10 Apr 2024 - 11 Apr 2024},
      subtyp        = {After Call},
      cin          = {IEK-12},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1222 - Components and Cells (POF4-122) / DFG project
                      422726248 - SPP 2248: Polymer-basierte Batterien
                      (422726248)},
      pid          = {G:(DE-HGF)POF4-1222 / G:(GEPRIS)422726248},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/1025512},
}