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@ARTICLE{Schmitz:845649,
      author       = {Schmitz, Paulo and Kolek, Martin and Diddens, Diddo and
                      Stan, Marian Cristian and Jalkanen, Kirsi and Winter, Martin
                      and Bieker, Peter},
      title        = {{C}ounterintuitive trends of the wetting behavior of ionic
                      liquid-based electrolytes on modified lithium electrodes},
      journal      = {Physical chemistry, chemical physics},
      volume       = {19},
      number       = {29},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2018-02865},
      pages        = {19178 - 19187},
      year         = {2017},
      abstract     = {The demand for high energy densities has brought
                      rechargeable lithium metal batteries back into the research
                      focus. Ionic liquids (ILs) are considered as suitable
                      electrolyte components for these systems. In this work, the
                      wetting behavior of 1-ethyl-3-methylimidazolium
                      bis((trifluoromethyl)sulfonyl)imide ([C2MIm]TFSI),
                      1-butyl-3-methylimidazolium
                      bis-((trifluoromethyl)sulfonyl)imide ([C4MIm]TFSI),
                      1-hexyl-3-methylimidazolium
                      bis((trifluoromethyl)sulfonyl)imide ([C6MIm]TFSI), and
                      N-butyl-N-methylpyrrolidinium
                      bis((trifluoromethyl)sulfonyl)imide (Pyr14TFSI) on
                      mechanically modified lithium electrodes, with and without
                      lithium bis((trifluoromethyl)sulfonyl)imide (LiTFSI)
                      conducting salt, is investigated and is compared to an
                      organic carbonate-based electrolyte. Three different
                      patterns were chosen for the lithium modification, enabling
                      a surface area increase of $12\%,$ $20\%,$ and $56\%$ for
                      the modified lithium electrodes. Especially for pure ILs,
                      the contact angle on lithium was significantly larger with
                      higher surface areas of the lithium electrodes. Since the
                      addition of LiTFSI remarkably decreased the contact angles
                      of the ILs on the modified lithium surfaces, it could be
                      shown that the effect of LiTFSI can be attributed to a
                      decreased surface tension. This observation could be
                      explained by an interruption of the ordering of ionic liquid
                      cations and anions, which is supported by Raman spectroscopy
                      and molecular dynamics (MD) simulations.},
      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},
      pubmed       = {pmid:28702548},
      UT           = {WOS:000406334300037},
      doi          = {10.1039/C7CP03716C},
      url          = {https://juser.fz-juelich.de/record/845649},
}