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@ARTICLE{Kolek:851127,
      author       = {Kolek, M. and Otteny, F. and Schmidt, P. and
                      Mück-Lichtenfeld, C. and Einholz, C. and Becking, J. and
                      Schleicher, E. and Winter, M. and Bieker, P. and Esser, B.},
      title        = {{U}ltra-high cycling stability of poly(vinylphenothiazine)
                      as a battery cathode material resulting from π–π
                      interactions},
      journal      = {Energy $\&$ environmental science},
      volume       = {10},
      number       = {11},
      issn         = {1754-5706},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2018-04829},
      pages        = {2334 - 2341},
      year         = {2017},
      abstract     = {Organic cathode materials are promising candidates for a
                      new generation of “green batteries”, since they have low
                      toxicity and can be produced from renewable resources or
                      from oil. Especially suitable are organic redox polymers
                      that can be reversibly oxidized and reduced. Because of
                      their often-insulating nature, however, many redox polymers
                      have limited rate capabilities. Their cycling stabilities,
                      which are of high importance for the long cycle-life of a
                      battery cell, rarely exceed 1000 cycles. Here, we present a
                      new concept for redox polymers as cathode materials, in
                      which the oxidized states are stabilized through π–π
                      interactions between redox-active groups. We found that due
                      to these interactions poly(3-vinyl-N-methylphenothiazine)
                      showed excellent cycling stability (after 10[thin space
                      (1/6-em)]000 cycles at a 10C rate, $93\%$ of the initial
                      capacity was retained) in addition to a high rate capability
                      because of supramolecular hole transport. We propose this
                      concept to be used in the future design of redox polymers
                      for batteries.},
      cin          = {IEK-12},
      ddc          = {690},
      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:000414774500006},
      doi          = {10.1039/C7EE01473B},
      url          = {https://juser.fz-juelich.de/record/851127},
}