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@ARTICLE{Ghosh:474147,
      author       = {Ghosh, Subham and Barman, Nabadyuti and Gonzalez-Correa,
                      Eliovardo and Mazumder, Madhulika and Zaveri, Aryan and
                      Giovine, Raynald and Manche, Alexis and Pati, Swapan K. and
                      Clément, Raphaële J. and Senguttuvan, Premkumar},
      title        = {{E}lucidating the {I}mpact of {M}g {S}ubstitution on the
                      {P}roperties of {NASICON}‐{N}a$_{3+y}${V}$_{
                      2−y}${M}g$_y$({PO}$_4$)$_ 3$ {C}athodes},
      journal      = {Advanced functional materials},
      volume       = {31},
      number       = {48},
      issn         = {1057-9257},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2022-00537},
      pages        = {2105463},
      year         = {2021},
      note         = {The authors acknowledge DESY (Hamburg, Germany), a member
                      of the Helmholtz Association HGF, for the provision of
                      experimental facilities. Parts of this research were carried
                      out at PETRA III and the authors thank Dr. Edmund Welter for
                      his assistance in using Beamline P65, and DST for financial
                      assistance for the measurement at DESY.},
      abstract     = {Vanadium multiredox-based NASICON-NazV2−yMy(PO$_4$)$_3$
                      (3 ≤ z ≤ 4; M = Al$^{3+}$, Cr$^{3+}$, and Mn$^{2+}$)
                      cathodes are particularly attractive for Na-ion battery
                      applications due to their high Na insertion voltage (>3.5 V
                      vs Na$^+$/Na$^0$), reversible storage capacity (≈150 mA h
                      g$^{-1}$), and rate performance. However, their practical
                      application is hindered by rapid capacity fade due to bulk
                      structural rearrangements at high potentials involving
                      complex redox and local structural changes. To decouple
                      these factors, a series of Mg$^{2+}$-substituted
                      Na$_{3+y}$V$_{ 2−y}$Mg$_y$(PO$_4$)$_ 3$ (0 ≤ y ≤ 1)
                      cathodes is studied for which the only redox-active species
                      is vanadium. While X-ray diffraction (XRD) confirms the
                      formation of solid solutions between the y = 0 and 1 end
                      members, X-ray absorption spectroscopy and solid-state
                      nuclear magnetic resonance reveal a complex evolution of the
                      local structure upon progressive Mg$^{2+}$ substitution for
                      V$^{3+}$. Concurrently, the intercalation voltage rises from
                      3.35 to 3.45 V, due to increasingly more ionic VO bonds, and
                      the sodium (de)intercalation mechanism transitions from a
                      two-phase for y ≤ 0.5 to a solid solution process for y
                      ≥ 0.5, as confirmed by in operando XRD, while Na-ion
                      diffusion kinetics follow a nonlinear trend across the
                      compositional series.},
      cin          = {DOOR ; HAS-User},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / INDIA-DESY - INDIA-DESY
                      Collaboration $(2020_Join2-INDIA-DESY)$},
      pid          = {G:(DE-HGF)POF4-6G3 / $G:(DE-HGF)2020_Join2-INDIA-DESY$},
      experiment   = {EXP:(DE-H253)P-P65-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000690660700001},
      doi          = {10.1002/adfm.202105463},
      url          = {https://bib-pubdb1.desy.de/record/474147},
}