% IMPORTANT: The following is UTF-8 encoded.  This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.

@ARTICLE{Lin:878369,
      author       = {Lin, Jingjing and Korte, C.},
      title        = {{PBI}‐type {P}olymers and {A}cidic {P}roton {C}onducting
                      {I}onic {L}iquids – {C}onductivity and {M}olecular
                      {I}nteractions},
      journal      = {Fuel cells},
      volume       = {20},
      number       = {4},
      issn         = {1615-6854},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2020-02809},
      pages        = {461-468},
      year         = {2020},
      abstract     = {Proton conducting ionic liquids (PILs) are discussed as new
                      electrolytes for the use as non‐aqueous electrolytes at
                      operation temperatures above 100 °C. During fuel cell
                      operation the presence of significant amounts of residual
                      water is unavoidable. The highly Brønsted‐acidic PIL
                      2‐Sulfoethylmethylammonum triflate [2‐Sema][TfO] is able
                      to perform fast proton exchange processes with H2O,
                      resulting from 1H‐NMR and pulsed field gradient
                      (PFG)/diffusion ordered spectroscopy (DOSY) self‐diffusion
                      measurements. Proton conduction takes place by a vehicle
                      mechanism via PIL cations or H3O+, but also by a cooperative
                      mechanism involving both species. Thus, highly
                      Brønsted‐acidic PILs are promising candidates for the use
                      as non‐aqueous electrolytes. To use [2‐Sema][TfO] as
                      electrolyte in a proton electrolyte fuel cell (PEFC) it has
                      to be immobilized in a host polymer. There is a (slow)
                      uptake of the PIL by polybenzimidazole (PBI) up to a weight
                      increase of $∼130\%,$ due to a swelling process. A
                      protonation of the basic imidazole moieties takes place. NMR
                      analysis was applied to elucidate the molecular interactions
                      between PBI, PIL, and residual water. Proton exchange,
                      respectively an interaction between the polar groups and
                      water can be observed in spectra, indicating a network of
                      H‐bonds in doped PBI. Therefore, highly acidic PILs are
                      promising candidates for the use as non‐aqueous
                      electrolytes.},
      cin          = {IEK-14},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000563058600009},
      doi          = {10.1002/fuce.201900201},
      url          = {https://juser.fz-juelich.de/record/878369},
}