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@ARTICLE{Im:1021217,
      author       = {Im, Eunmi and Mun, Jinhong and Pourasad, Saeed and Baek,
                      Kyungeun and Ha, Jee Ho and Durmus, Yasin Emre and Tempel,
                      Hermann and Eichel, Rüdiger-A. and Lee, Geunsik and Moon,
                      Geon Dae and Kang, Seok Ju},
      title        = {{U}nveiling the electrochemical characteristics of
                      acetonitrile-catholyte-based {N}a-{CO}2 battery},
      journal      = {The chemical engineering journal},
      volume       = {476},
      issn         = {1385-8947},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {FZJ-2024-00658},
      pages        = {146740 -},
      year         = {2023},
      abstract     = {The development of metal-CO2 batteries has attracted
                      intense attention because of their unique electrochemical
                      reaction for utilization of CO2 gas. However, unlike the
                      alkali metal-based O2 batteries, a limited number of
                      combinations of aprotic electrolytes have been employed for
                      Li(Na)–CO2 batteries due to the sluggish reaction for the
                      formation of the Li(Na)2CO3 discharge product. Here, we
                      demonstrate an acetonitrile (MeCN)-based catholyte for use
                      in a hybrid cell type Na-CO2 battery. The presence of a
                      solid ceramic separator in our hybrid cell allows the stable
                      operation of the MeCN catholyte-based Na-CO2 battery,
                      resulting in improved electrochemical characteristics such
                      as low overpotential, high energy density, and long cycle
                      stability compared to the conventional TEGDME-based
                      electrolyte. In particular, results of molecular dynamics
                      simulations suggest that the improved performance is mainly
                      due to the enhanced Na+ diffusion in the electrolyte. The
                      calculated barrier for Na+ diffusion in MeCN is
                      approximately four times lower than that in TEGDME. Thus,
                      this work provides a promising electrolyte combination and
                      reveals the mechanism for the improved performance of the
                      MeCN-based electrolyte used in the hybrid cell structure,
                      promoting the development of Na-CO2 batteries as practical
                      secondary energy storage devices.},
      cin          = {IEK-9},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {1223 - Batteries in Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001102719100001},
      doi          = {10.1016/j.cej.2023.146740},
      url          = {https://juser.fz-juelich.de/record/1021217},
}