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@ARTICLE{Wang:1024677,
      author       = {Wang, Chih-Chieh and Hsu, Wei-Chun and Chang, Chia-Yu and
                      Ihrig, Martin and Thuy Tran, Ngoc Thanh and Lin, Shih-kang
                      and Windmüller, Anna and Tsai, Chih-Long and Eichel,
                      Rüdiger-A. and Chiu, Kuo-Feng},
      title        = {{G}rain boundary complexion modification for interface
                      stability in garnet based solid-state {L}i batteries},
      journal      = {Journal of power sources},
      volume       = {602},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2024-02350},
      pages        = {234394 -},
      year         = {2024},
      abstract     = {The garnet type solid-state electrolyte (SSE) encounters
                      challenges related to poor interfacial contact with Li metal
                      and dendrite penetration problem. This study addresses these
                      issues by manipulating the surface property of garnet-based
                      LLZTO (Li6.5La3Zr1.6Ta0.4O12) SSE. The manipulation is
                      achieved by varying thickness of Al2O3 atomic layer
                      deposition (ALD), followed by sintering. Research results
                      show that the relative density, ionic conductivity, and
                      hardness of LLZTO are improved while electronic conductivity
                      is reduced due to the formation of multiple complexions at
                      grain boundary (GB). The SSE pellets also demonstrate
                      improved wettability with Li metal, leading to stable
                      galvanostatic Li plating/stripping cycling with low
                      polarization, which allows for batter battery performance
                      than pristine one. The concept of modifying SSE through the
                      grain boundary complexion modification by thin ALD coating
                      for enhancing the dendrite tolerance with better
                      electrochemical properties of SSE may open a new direction
                      for solid state battery research.},
      cin          = {IEK-9},
      ddc          = {620},
      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:001218339700001},
      doi          = {10.1016/j.jpowsour.2024.234394},
      url          = {https://juser.fz-juelich.de/record/1024677},
}