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@ARTICLE{Alsheimer:1024784,
      author       = {Alsheimer, Lennart and Heidrich, Bastian and Peschel,
                      Christoph and Dienwiebel, Iris and Winter, Martin and
                      Börner, Markus},
      title        = {{S}uppressing gas evolution in {L}i4{T}i5{O}12 -based pouch
                      cells by high temperature formation},
      journal      = {Journal of power sources},
      volume       = {575},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2024-02450},
      pages        = {233207 -},
      year         = {2023},
      note         = {Unterstützt durch den Grant “MiKal” (03XP0240B) des
                      BMBF},
      abstract     = {Batteries based on Li4Ti5O12 as negative active material,
                      suffer from intense gas evolution during calendaric and
                      cyclic aging, which notably limits their scope of
                      application. In this study, gas evolution in multilayered
                      Li4Ti5O12-based lithium-ion battery pouch cells was
                      investigated during formation at different temperatures and
                      upon subsequent cyclic aging. The results demonstrated that
                      higher temperatures during formation procedure supported the
                      formation of a stable protective decomposition layer on the
                      Li4Ti5O12 composite electrode surface, which successfully
                      prevented gas evolution during charge/discharge cycling
                      without compromising the rate capability of Li4Ti5O12-based
                      lithium-ion batteries. Cell formation at 20 °C and 40 °C
                      showed a continuous increase in cell capacity during
                      subsequent cyclic aging at 40 °C. However, cell formation
                      at 60 °C led to a higher initial capacity without capacity
                      increase during 40 °C cyclic aging. The results showed that
                      this capacity increase is accompanied by gas evolution. To
                      explain this behavior a model is proposed in which gas
                      evolution and capacity increase are associated with a
                      continuous growth and partial dissolution of the
                      decomposition layer on the Li4Ti5O12 electrode during cyclic
                      aging. Therefore, the high temperature formation approach
                      could be the cornerstone for a cost-effective and easy
                      commercialization of Li4Ti5O12-based cells.},
      cin          = {IEK-12},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001007134200001},
      doi          = {10.1016/j.jpowsour.2023.233207},
      url          = {https://juser.fz-juelich.de/record/1024784},
}