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@ARTICLE{Ihrig:908471,
      author       = {Ihrig, Martin and Finsterbusch, Martin and Laptev,
                      Alexander and Tu, Chia-hao and Tran, Ngoc Thanh Thuy and
                      Lin, Che-an and Kuo, Liang-Yin and Ye, Ruijie and Sohn, Yoo
                      Jung and Kaghazchi, Payam and Lin, Shih-kang and
                      Fattakhova-Rohlfing, Dina and Guillon, Olivier},
      title        = {{S}tudy of {L}i{C}o{O} 2 /{L}i 7 {L}a 3 {Z}r 2 {O} 12 :{T}a
                      {I}nterface {D}egradation in {A}ll-{S}olid-{S}tate {L}ithium
                      {B}atteries},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {14},
      number       = {9},
      issn         = {1944-8244},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2022-02624},
      pages        = {11288 - 11299},
      year         = {2022},
      abstract     = {The garnet-type Li7La3Zr2O12 (LLZO) ceramic solid
                      electrolyte combines high Li-ion conductivity at room
                      temperature with high chemical stability. Several
                      all-solid-state Li batteries featuring the LLZO electrolyte
                      and the LiCoO2 (LCO) or LiCoO2–LLZO composite cathode were
                      demonstrated. However, all batteries exhibit rapid capacity
                      fading during cycling, which is often attributed to the
                      formation of cracks due to volume expansion and the
                      contraction of LCO. Excluding the possibility of mechanical
                      failure due to crack formation between the LiCoO2/LLZO
                      interface, a detailed investigation of the LiCoO2/LLZO
                      interface before and after cycling clearly demonstrated
                      cation diffusion between LiCoO2 and the LLZO. This
                      electrochemically driven cation diffusion during cycling
                      causes the formation of an amorphous secondary phase
                      interlayer with high impedance, leading to the observed
                      capacity fading. Furthermore, thermodynamic analysis using
                      density functional theory confirms the possibility of low-
                      or non-conducting secondary phases forming during cycling
                      and offers an additional explanation for the observed
                      capacity fading. Understanding the presented degradation
                      paves the way to increase the cycling stability of
                      garnet-based all-solid-state Li batteries.},
      cin          = {IEK-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35226453},
      UT           = {WOS:000787543300021},
      doi          = {10.1021/acsami.1c22246},
      url          = {https://juser.fz-juelich.de/record/908471},
}