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@ARTICLE{Friesen:851121,
      author       = {Friesen, Alex and Hildebrand, Stephan and Horsthemke,
                      Fabian and Börner, Markus and Klöpsch, Richard and
                      Niehoff, Philip and Schappacher, Falko M. and Winter,
                      Martin},
      title        = {{A}l2{O}3 coating on anode surface in lithium ion
                      batteries: {I}mpact on low temperature cycling and safety
                      behavior},
      journal      = {Journal of power sources},
      volume       = {363},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-04823},
      pages        = {70 - 77},
      year         = {2017},
      abstract     = {Commercial 18650-type lithium ion cells employing an Al2O3
                      coating on the anode surface as a safety feature are
                      investigated regarding cycling behavior at low temperatures
                      and related safety. Due to irreversible lithium metal
                      deposition, the cells show a pronounced capacity fading,
                      especially in the first cycles, leading to a shortened
                      lifetime. The amount of reversibly strippable lithium metal
                      decreases with every cycle. Post-mortem analysis of
                      electrochemically aged anodes reveals a thick layer of
                      lithium metal deposited beneath the coating. The Al2O3
                      coating on the electrode surface is mostly intact. The
                      lithium metal deposition and dissolution mechanisms were
                      determined combining electrochemical and post-mortem
                      methods. Moreover, the cell response to mechanical and
                      thermal abuse was determined in an open and adiabatic
                      system, revealing a similar behavior of fresh and aged
                      cells, thus, demonstrating no deterioration in the safety
                      behavior despite the presence of a thick lithium metal layer
                      on the anode surface.},
      cin          = {IEK-12},
      ddc          = {620},
      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:000411544300010},
      doi          = {10.1016/j.jpowsour.2017.07.062},
      url          = {https://juser.fz-juelich.de/record/851121},
}