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@ARTICLE{Homann:878608,
      author       = {Homann, Gerrit and Meister, Paul and Stolz, Lukas and
                      Brinkmann, Jan Paul and Kulisch, Jörn and Adermann, Torben
                      and Winter, Martin and Kasnatscheew, Johannes},
      title        = {{H}igh-{V}oltage {A}ll-{S}olid-{S}tate {L}ithium {B}attery
                      with {S}ulfide-{B}ased {E}lectrolyte: {C}hallenges for the
                      {C}onstruction of a {B}ipolar {M}ulticell {S}tack and {H}ow
                      to {O}vercome {T}hem},
      journal      = {ACS applied energy materials},
      volume       = {3},
      number       = {4},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2020-02946},
      pages        = {3162 - 3168},
      year         = {2020},
      abstract     = {Solid electrolytes can be the key for the desired goal of
                      increased safety and specific energies of batteries. On a
                      cell and battery pack level, the all-solid nature and the
                      absence of liquid electrolyte leakage are considered to
                      enable safe and effective performance realization of the
                      rechargeable Li metal electrode and bipolar cell stacking,
                      respectively. Well performing Li metal cells with
                      high-energy/voltage positive electrodes such as
                      LiNi0.6Mn0.2Co0.2O2 (NMC622) can already be cycled when
                      using a blend of the sulfidic solid electrolyte such as
                      β-Li3PS4 (LPS) and Li salt in poly(ethylene)oxide (PEO).
                      However, operation of a bipolar stack using these cell
                      materials utilizing the common Al/Cu clad as bipolar plate
                      results in an immediate short circuit, because of an ionic
                      intercell connection via molten LiTFSI/PEO. Oversizing the
                      area of the bipolar plates can prevent such a short circuit
                      and indeed enables a partial charge of the stack, but after
                      a certain time, the next cell failure is observed,
                      consisting of severe, sulfur caused, corrosion of copper
                      which was used as metal substrate for the lithium anode. The
                      exchange of the sulfide incompatible Cu collector by (also
                      area-oversized) stainless steel can finally enable a
                      failure-free performance of the bipolar cell stack, which
                      performs similar to a single cell with regard to cycling
                      stability.},
      cin          = {IEK-12},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000529190300007},
      doi          = {10.1021/acsaem.0c00041},
      url          = {https://juser.fz-juelich.de/record/878608},
}