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@ARTICLE{Taoussi:1046447,
      author       = {Taoussi, S. and Ouaha, A. and Naji, M. and Hoummada, K. and
                      Lahmar, A. and Manoun, B. and Campos, A. and Stocker, P. and
                      frielinghaus, H. and El bouari, A. and Zhang, Y. and Bih,
                      L.},
      title        = {{N}ovel {M}n2+-doped {NASICON} glass-ceramic electrolyte
                      with engineered columnar microstructure for high lithium-ion
                      conductivity},
      journal      = {Journal of power sources},
      volume       = {658},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2025-03804},
      pages        = {238266},
      year         = {2025},
      abstract     = {Glass-ceramic electrolytes are poised to revolutionize
                      energy storage as breakthrough candidates for
                      next-generation all-solid-state lithium batteries. This
                      study introduces a high-performance and new Mn-doped
                      NASICON-type (Li1.2Mn0.1Ti1.9(PO4)3) phase within a
                      glass-ceramic electrolyte, synthesized via a melt-quenching
                      and crystallization protocol. Crystallization analysis
                      reveals a surface-to-bulk phase transformation via a
                      one-dimensional nucleation process, with a low activation
                      energy of 161.68 kJ.mol-1, enabling a Li-enriched NASICON
                      matrix at reduced temperatures. Structural characterization
                      through Rietveld-refined XRD, and 7Li and 31P MAS NMR
                      spectroscopy, verified Mn2+ substitution within the crystal
                      lattice, causing bottleneck size expansion and weakened
                      Li+-O bonding, enhancing ion mobility. FT-IR and Raman
                      spectra further confirm the successful formation of the
                      Li-rich NASICON phase. SEM/TEM imaging revealed a unique
                      columnar grain morphology that reduces grain boundary areas
                      and porosity, while the residual glass phase $(11.2\%)$
                      enhances interfacial Li⁺ transfer. The optimized LMnTP-0GC
                      composition (30Li2O-20TiO2-20MnO-30P2O5) delivered
                      high-ionic conductivity (2.73×10-4 S.cm-1at RT), low
                      electronic leakage (3.425×10-8 S.cm-1), and near-unity
                      Li⁺ transference number (0.9998) outperforming undoped
                      LiTi2(PO4)3 and Mn-enriched counterparts. The
                      Li|LMnTP-0GC|Li cell achieves 2 mA.cm-2 CCD and stable
                      cycling for 200 h, while the Li|LMnTP-0GC|LFP cell delivers
                      130.00 mAh.g-1 with $96.40\%$ retention after 50 cycles at
                      0.1C.},
      cin          = {JCNS-FRM-II / MLZ / JCNS-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-4-20201012},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.jpowsour.2025.238266},
      url          = {https://juser.fz-juelich.de/record/1046447},
}