A New Family of Fast Sodium Ion Conductors: Na2M2TeO6 (M = Ni, Co, Zn, Mg)

Evstigneeva, M. A.; Nalbandyan, V. B.; Петренко, А.А.; Medvedev, B.S.; Kataev, Aleksandr A.

doi:10.1021/cm102629g

Cited by 166 publications

(279 citation statements)

References 27 publications

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“…We should note that the external magnetic fields range in both cases (4.5 T for 7 Li and 7.01 T for 23 Na) corresponds to the developing of the spin-flop phase (compare with B SF which are about 5.5 T and 9.8 T for Li 3 Ni 2 SbO 6 and Na 3 Ni 2 SbO 6 as described above). The differences of the internal field distribution and magnitude at different magnetic fields are exemplified by the NMR spectrum of 7 Li (Fig.…”

Section: E Nuclear Magnetic Resonancementioning

confidence: 71%

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Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

et al. 2015

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We present a comprehensive experimental and theoretical study of the electronic and magnetic properties of two quasi-two-dimensional (2D) honeycomb-lattice monoclinic compounds A 3 Ni 2 SbO 6 (A=Li, Na). Magnetic susceptibility and specific heat data are consistent with the onset of antiferromagnetic (AFM) long range order at low temperatures with Néel temperatures ~ 14 and 16 K for Li 3 Ni 2 SbO 6 and Na 3 Ni 2 SbO 6 , respectively. The effective magnetic moments of 4.3  B /f.u. (Li 3 Ni 2 SbO 6 ) and 4.4  B /f.u. (Na 3 Ni 2 SbO 6 ) indicate that Ni 2+ is in a high-spin configuration (S=1). The temperature dependence of the inverse magnetic susceptibility follows the Curie-Weiss law in the high-temperature region and shows positive values of the Weiss temperature ~ 8 K (Li 3 Ni 2 SbO 6 ) and ~12 K (Na 3 Ni 2 SbO 6 ) pointing to the presence of nonnegligible ferromagnetic interactions, although the system orders AFM at low temperatures. In addition, the magnetization curves reveal a field-induced (spin-flop type) transition below T N that can be related to the magnetocrystalline anisotropy in these systems. These observations are in agreement with density functional theory calculations, which show that both antiferromagnetic and ferromagnetic intralayer spin exchange couplings between Ni 2+ ions are present in the honeycomb planes supporting a zigzag antiferromagnetic ground state. Based on our experimental measurements and theoretical calculations we propose magnetic phase diagrams for the two compounds. 75.30.Kz; 75.10.Dg; 75.30.Gw; 75.30.Et

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Section: E Nuclear Magnetic Resonancementioning

confidence: 71%

“…The typical 23 Na field-dependent NMR spectrum of Na 3 Ni 2 SbO 6 at room temperature contains a narrow main line and quadrupole satellites (Fig. 7).…”

Section: E Nuclear Magnetic Resonancementioning

confidence: 99%

Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

et al. 2015

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“…34,[41][42][43] An optimized set of parameters for Na 2 M 2 TeO 6 -family of solids, where M=Ni, Co, Zn, or Mg, is reported by us recently. 32 Table 1 reproduces the parameters for Na 2 Ni 2 TeO 6 , which is subsequently employed in the present study. Note that plausible changes in interatomic potential with local Na + concentration is not incorporated due to unavailability of experimental data.…”

Section: Methodsmentioning

confidence: 99%

Role of Ion–Ion Correlations on Fast Ion Transport: Molecular Dynamics Simulation of Na₂Ni₂TeO₆

Kumar

2015

J. Phys. Chem. C

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A series of molecular dynamics (MD) simulations are carried out, in which the Na + content at the interlayers of Na 2 Ni 2 TeO 6 is systematically varied keeping the overall charge neutrality of the system, to identify the role of ion-ion correlation on Na + diffusion in the system. It has been observed that interlayers having about 20% lower concentration of Na + facilitate the highest conductivity that is an order of magnitude higher than those having normal Na + concentration. The simulations predict a gradual crossover from an energy driven to entropy driven transport of Na + ions with the Na + concentration at the interlayers. The transport mechanism and pathways of the mobile ions also modifies.

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“…their oxidation states) and ionic radii are sufficiently different. 102,103 Contradictory results, in terms of the role the M cation disorder plays on Na + ion/vacancy disorder, have been obtained for Te-containing layered materials and for conventional Na x MO 2 compounds based on first row transition metals. On one hand, the formation of a Na + ion/vacancy ordered superstructure was found to be relatively independent on the degree of cation ordering in Na 2 M 2 TeO 6 (M = Ni, Co, Zn, Mg) type compounds.…”

Section: Preventing Namentioning

confidence: 99%

Review—Manganese-Based P2-Type Transition Metal Oxides as Sodium-Ion Battery Cathode Materials

Clément

Bruce

Grey

2015

J. Electrochem. Soc.

438

388

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Sodium transition metal oxides (NaMO 2 ) with a P2 structure exhibit good Na + ion conductivity and are promising sodium-ion battery cathode materials. Manganese-based compounds have a high working potential vs. Na + /Na, and high capacity. Yet, the layered nature of these materials means that they are prone to structural rearrangements at high voltage/low Na contents, the phase transformations and Na + ion/vacancy ordering transitions resulting in capacity fade and poor reversibility. This review discusses the latest advances in the field and focuses mainly on recent work on Na y Mn 1-x M x O 2 (x, y ≤ 1, M = Ni, Mg, Li) compounds. We compare the different lithium and sodium transition metal layered oxides (P2, O3, etc.) and describe the structures and mechanisms observed on alkali (de)intercalation. The strategies used to enhance the electrochemical properties and stabilize the structural framework of sodium transition metal oxides are reviewed. We show how X-ray diffraction and 7 Li/ 23 Na solid-state Nuclear Magnetic Resonance can be combined to provide a detailed insight into the structural and electronic processes occurring upon electrochemical cycling of these materials. Why Are We Interested in Na-Ion Battery Cathodes?Together, the increasing demand for energy and the threat from Global Warming make electrical energy storage (EES) a world wide strategic priority. EES is expected to play a key role in the decarbonization of electric power sources. The two billion people worldwide not currently served by a reliable electricity supply are likely to be connected via local grids, for which EES is essential. While Li-ion batteries (LIBs) will play a role, a key challenge is to develop lower cost batteries that deliver safe, reliable storage with high cycle and calendar life. In this regard, Na-ion batteries (NIBs) are potentially important. NIBs operate in a similar fashion to LIBs, offering both advantages and disadvantages. Concerning the former, the ability to use Al instead of Cu as a current collector at the anode could substantially reduce cost. Na is also far more abundant in the Earth's crust than Li, and more widely distributed geographically. Regarding the disadvantages, the standard operating potential of Na metal is 300 mV more positive than Li metal. This generally translates into lower operating potentials for Na-ion systems, although the potential of a full cell depends on the difference in the chemical potentials of Na in the anode and cathode materials. There are considerable opportunities for scientists to develop new combinations of anode, electrolyte and cathode that are optimized for a variety of applications with different criteria such as high energy density, high power, and high operating potential. This has encouraged a rapid growth of interest in research into NIB components. Hard carbons show some promise as anodes, [1][2][3] but more must be done to improve performance. The cathode remains a major challenge and it is to this that we direct the current review. A comparative plot sho...

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A New Family of Fast Sodium Ion Conductors: Na₂M₂TeO₆ (M = Ni, Co, Zn, Mg)

Cited by 166 publications

References 27 publications

Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

Role of Ion–Ion Correlations on Fast Ion Transport: Molecular Dynamics Simulation of Na₂Ni₂TeO₆

Review—Manganese-Based P2-Type Transition Metal Oxides as Sodium-Ion Battery Cathode Materials

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A New Family of Fast Sodium Ion Conductors: Na2M2TeO6 (M = Ni, Co, Zn, Mg)

Cited by 166 publications

References 27 publications

Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=<

Role of Ion–Ion Correlations on Fast Ion Transport: Molecular Dynamics Simulation of Na2Ni2TeO6

Review—Manganese-Based P2-Type Transition Metal Oxides as Sodium-Ion Battery Cathode Materials

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A New Family of Fast Sodium Ion Conductors: Na₂M₂TeO₆ (M = Ni, Co, Zn, Mg)

Role of Ion–Ion Correlations on Fast Ion Transport: Molecular Dynamics Simulation of Na₂Ni₂TeO₆