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@ARTICLE{Wrogemann:906587,
      author       = {Wrogemann, Jens Matthies and Fromm, Olga and Deckwirth,
                      Fabian and Beltrop, Kolja and Heckmann, Andreas and Winter,
                      Martin and Placke, Tobias},
      title        = {{I}mpact of {D}egree of {G}raphitization, {S}urface
                      {P}roperties and {P}article {S}ize {D}istribution on
                      {E}lectrochemical {P}erformance of {C}arbon {A}nodes for
                      {P}otassium‐{I}on {B}atteries},
      journal      = {Batteries $\&$ supercaps},
      volume       = {5},
      number       = {6},
      issn         = {2566-6223},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2022-01538},
      pages        = {e202200045},
      year         = {2022},
      abstract     = {Carbons are considered as anode active materials in
                      potassium ion batteries (PIBs). Here, the correlation
                      between material properties of disordered (non-graphitic)
                      and ordered graphitic carbons and their electrochemical
                      performance in carbon || K metal cells is evaluated. First,
                      carbons obtained from heat treatment of petroleum coke at
                      temperatures from 800 to 2800 °C are analyzed regarding
                      their microstructure and surface properties. Electrochemical
                      performance metrics for K+ ion storage like specific
                      capacity and Coulombic efficiency (CEff) are correlated with
                      surface area, non-basal planes and microstructure
                      properties, and compared to Li+ ion storage. For disordered
                      carbons, the specific capacity can be clearly correlated
                      with the defect surface area. For highly ordered graphitic
                      carbons, the degree of graphitization strongly determines
                      the specific capacity. The initial CEff of graphitic carbons
                      shows a strong correlation with basal and non-basal planes.
                      Second, kinetic limitations of ordered graphitic carbons are
                      re-evaluated by analyzing commercial graphites regarding
                      particle size and surface properties. A clear correlation
                      between particle size, surface area and well-known
                      challenges of graphitic carbons in terms of low-rate
                      capability and voltage hysteresis is observed. This work
                      emphasizes the importance of bulk and surface material
                      properties for K+ ion storage and gives important insights
                      for future particle design of promising carbon anodes for
                      PIB 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:000766186000001},
      doi          = {10.1002/batt.202200045},
      url          = {https://juser.fz-juelich.de/record/906587},
}