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@ARTICLE{Du:630615,
      author       = {Du, Jingwei and Zhang, Jiaxu and Chu, Xingyuan and Xu, Hao
                      and Zhao, Yirong and Löffler, Markus and Wang, Gang and Li,
                      Dongqi and Guo, Quanquan and Morag, Ahiud and Du, Jie and
                      Zou, Jianxin and Mikhailova, Daria and Mazánek, Vlastimil
                      and Sofer, Zdeněk and Feng, Xinliang and Yu, Minghao},
      title        = {{S}ix-electron-conversion selenium cathodes stabilized by
                      dead-selenium revitalizer for aqueous zinc batteries},
      journal      = {Nature Communications},
      volume       = {16},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Springer Nature},
      reportid     = {PUBDB-2025-01893},
      pages        = {3707},
      year         = {2025},
      abstract     = {Aqueous zinc batteries are attractive for large-scale
                      energy storage due to their inherent safety and
                      sustainability. However, their widespread application has
                      been constrained by limited energy density, underscoring a
                      high demand of advanced cathodes with large capacity and
                      high redox potential. Here, we report a reversible
                      high-capacity six-electron-conversion Se cathode undergoing
                      a ZnSe↔Se↔SeCl$_4$ reaction, with Br$^−$/Br$_n$$^−$
                      redox couple effectively stabilizes the Zn | |Se cell.
                      This Se conversion, initiated in a ZnCl$_2$-based hydrogel
                      electrolyte, presents rapid capacity decay (from 1937.3 to
                      394.1 mAh g$_{Se}$$^{−1}$ after only 50 cycles at
                      0.5 A g$_{Se}$$^{−1}$) primarily due to the dissolution
                      of SeCl$_4$ and its subsequent migration to the Zn anode,
                      resulting in dead Se passivation. To address this, we
                      incorporate the Br$^−$/Br$_n$$^−$ redox couple into the
                      Zn | |Se cell by introducing bromide salt as an
                      electrolyte additive. The generated Brn− species acts as a
                      dead-Se revitalizer by reacting with Se passivation on the
                      Zn anode and regenerating active Se for the cathode
                      reaction. Consequently, the cycling stability of the
                      Zn | |Se cell is improved, maintaining 1246.8 mAh
                      g$_{Se}$$^{−1}$ after 50 cycles. Moreover, the
                      Zn | |Se cell exhibits a specific capacity of
                      2077.6 mAh g$_{Se}$$^{−1}$ and specific energy of
                      404.2 Wh kg$^{−1}$ based on the overall cell
                      reaction.},
      cin          = {DOOR ; HAS-User},
      ddc          = {500},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
                      G:(GEPRIS)417590517 - SFB 1415: Chemie der synthetischen
                      zweidimensionalen Materialien (417590517) / LIGHT-CAP -
                      MULTI-ELECTRON PROCESSES FOR LIGHT DRIVEN ELECTRODES AND
                      ELECTROLYTES IN CONVERSION AND STORAGE OF SOLAR ENERGY
                      (101017821)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)417590517 /
                      G:(EU-Grant)101017821},
      experiment   = {EXP:(DE-H253)P-P65-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40251148},
      doi          = {10.1038/s41467-025-58859-3},
      url          = {https://bib-pubdb1.desy.de/record/630615},
}