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@INPROCEEDINGS{Durmus:1050301,
      author       = {Durmus, Yasin Emre and Im, Eunmi and Erkes, Rebecca and
                      Dzieciol, Krzysztof and Kungl, Hans and Tempel, Hermann and
                      Eichel, Rüdiger-A.},
      title        = {{E}xploring {E}lectrolyte {A}dditives for {E}nhancing
                      {Z}inc {A}node {P}erformance in {N}ear-{N}eutral
                      {Z}inc-{A}ir {B}atteries},
      reportid     = {FZJ-2026-00111},
      year         = {2025},
      abstract     = {Metal-air batteries are emerging as promising
                      electrochemical energy storage technologies because of their
                      high theoretical energy densities and the use of
                      cost-effective, safe, and abun-dant active materials. Among
                      the various types, zinc-based metal-air batteries are
                      particularly noteworthy for both primary and secondary
                      applications. While primary zinc-air batteries (ZABs) have
                      already been commercialized for various areas, secondary
                      batteries face chal-lenges especially in alkaline
                      environments. To overcome these issues, using aqueous
                      neutral electrolytes offers several benefits, such as
                      reducing electrolyte carbonization and preventing dendrite
                      formation. However, the performance of ZABs with neutral
                      electrolytes can be hin-dered by zinc surface passivation,
                      the formation of insoluble zinc compounds, and
                      corrosion.This study aims to evaluate the impact of glycine
                      (Gly) and iminodiacetic acid (IDA) as elec-trolyte additives
                      on the electrochemical behavior of zinc electrodes in
                      near-neutral secondary Zn-air batteries. Initially,
                      spectroscopy techniques were employed to understand the
                      interac-tions between the additives and zinc ions in the
                      electrolyte. Then, the open-circuit, potentiody-namic
                      polarization, and galvanostatic discharge experiments were
                      conducted to determine the electrochemical behavior of the
                      zinc electrodes, including corrosion parameters, discharge
                      po-tentials at various current densities, and the
                      effectiveness and buffering capabilities of the ad-ditives.
                      Additionally, microscopy techniques were used to
                      characterize the electrode surfaces after discharge
                      experiments to examine dissolution behavior and discharge
                      products. In-oper-ando X-ray computed tomography (XCT) was
                      employed to study the plating and stripping be-havior of
                      zinc electrodes with and without the electrolyte additives.
                      Long-term full-cell gal-vanostatic discharge experiments
                      demonstrated discharge specific energies of up to 850
                      Wh/kgZn, while galvanostatic cycling lasted up to 550 hours,
                      showing significantly im-proved overpotentials in cells
                      containing the electrolyte additives. Overall, the study
                      highlights the importance of using electrolyte additives to
                      overcome passivation and pH instability issues and optimize
                      the electrochemical performance while providing valuable
                      insights for the devel-opment of neutral electrolyte-based
                      zinc-air batteries.},
      month         = {Sep},
      date          = {2025-09-17},
      organization  = {4th International Zinc and other
                       Aqueous Batteries Workshop, Kyoto
                       (Japan), 17 Sep 2025 - 19 Sep 2025},
      subtyp        = {After Call},
      cin          = {IET-1},
      cid          = {I:(DE-Juel1)IET-1-20110218},
      pnm          = {1223 - Batteries in Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1050301},
}