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@ARTICLE{Hildebrand:851171,
      author       = {Hildebrand, S and Rheinfeld, A. and Friesen, A and Haetge,
                      J and Schappacher, F. M and Jossen, A and Winter, Martin},
      title        = {{T}hermal analysis of
                      {L}i{N}i0.4{C}o0.2{M}n0.4{O}2/mesocarbon microbeads cells
                      and electrodes: {S}tate-of-charge and state-of-health
                      influences on reaction kinetics},
      journal      = {Journal of the Electrochemical Society},
      volume       = {165},
      issn         = {0013-4651},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Soc.},
      reportid     = {FZJ-2018-04871},
      pages        = {A104-A117},
      year         = {2018},
      abstract     = {The thermal stability of lithium ion batteries was studied
                      by means of Accelerating Rate Calorimetry in
                      Heat-Wait-Search operation on both electrode and cell level.
                      Fresh and aged samples were investigated depending on the
                      state-of-charge (SoC) of a 5 Ah pouch cell comprising
                      mesocarbon microbeads and LiNi0.4Co0.2Mn0.4O2 as the anode
                      and cathode materials. 1 M LiPF6 in EC:DEC 3:7 (by weight)
                      containing 2 $wt\%$ VC and 0.5 $wt\%$ LiBOB was chosen as
                      the electrolyte. Measurements on the electrode level
                      revealed a higher self-heating rate (SHR) of the cathode
                      compared to the anode for all SoC and state-of-health (SoH)
                      combinations in the temperature range where a
                      self-sustaining decomposition reaction could be detected. A
                      lower SoC showed a lower SHR of the electrode/electrolyte
                      mixture with no reaction detected on the anode side ≤
                      $50\%$ cell SoC. Cyclic aging led to a decrease in thermal
                      stability of the cathode at lower SoC values with no
                      significant influence on the anode implying a larger safety
                      threat on the cell level. Avrami-Erofeev and autocatalytic
                      reaction models were used to quantify the influences of SoC
                      and SoH on reaction kinetics. Full cell measurements
                      confirmed the observations at a higher SHR.},
      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:000431786800014},
      doi          = {10.1149/2.0361802jes},
      url          = {https://juser.fz-juelich.de/record/851171},
}