Electronic transfer in spinel chalcogenides:119Sn Mössbauer spectroscopy and7Li N.M.R.

Elidrissi-Moubtassim, M. L.; Olivier‐Fourcade, J.; Jumas, Jean‐Claude; Maurin, M.; Senegas, J.

doi:10.1007/bf02101059

Cited by 11 publications

(10 citation statements)

References 4 publications

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“…The tube was then quenched in water to obtain the cubic phase. Chemical lithium insertion was carried out by the nbutyllithium technique (6). The sulfide powder was suspended in a 2.5 M solution of (n-C H )Li in hexane.…”

Section: Methodsmentioning

confidence: 99%

“…These solids possess a framework lattice that provides a three-dimensional interstitial space for accommodating the inserted elements and remains intact during the insertion process. Lithium insertion properties make spinel materials interesting candidates for applications of technological relevance such as electrodes in lithium and lithium ion batteries (1)(2)(3)(4)(5)(6).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Structural and Local Environment Modifications in a Chemically Lithiated Iron Thiospinel

Bousquet

Krämer

Vicente

et al. 1997

Journal of Solid State Chemistry

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Structural and Local Environment Modifications in a Chemically Lithiated Iron Thiospinel

Bousquet

Krämer

Vicente

et al. 1997

Journal of Solid State Chemistry

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“…Mössbauer spectroscopy has already demonstrated its potential for determining the reaction mechanism of some tin-based electrode materials. [45][46][47][48] However, very thick layers are necessary to obtain enough absorption and to subsequently generate a measurable signal. Therefore, layers as thick as 5 m were prepared using the same deposition conditions employed for thin layers.…”

Section: Electrochemical Characterization Of Tin Nitride Thin Films-mentioning

confidence: 99%

Tin Nitride Thin Films as Negative Electrode Material for Lithium-Ion Solid-State Batteries

Baggetto¹,

Verhaegh

Niessen

et al. 2010

J. Electrochem. Soc.

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Tin nitride thin films have been reported as promising negative electrode materials for lithium-ion solid-state microbatteries. However, the reaction mechanism of this material has not been thoroughly investigated in the literature. To that purpose, a detailed electrochemical investigation of radio-frequency-sputtered tin nitride electrodes of two compositions (1:1 and 3:4) is presented for several layer thicknesses. The as-prepared thin films have been characterized by Rutherford backscattering spectrometry, inductively coupled plasma optical emission spectrometry, scanning electron microscopy, X-ray diffraction, and transmission electron microscopy. The electrochemical results point out that the conversion mechanism of tin nitride most probably differs from the conversion mechanism usually observed for other oxide and nitride conversion electrode materials. The electrochemical data show that more than 6 Li per Sn atom can be reversibly exchanged by this material, whereas only about 4 are expected. Moreover, the electrochemical performance of the material is discussed, such as electrode cycle life, and a method for improving the cycle life is presented. Finally, thicker films have been characterized by Mössbauer spectroscopy. This technique opens a new route toward determining the conversion reaction mechanism of this promising electrode material.

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“…[45][46][47][48][49][50][51][52][53][54][55][56] The technique has been applied to Li ϩ -conducting Sn-In sulphide spinels for solid state batteries. 57 Considering the importance of Sn oxide in solid state ionics, we believe that a detailed study using the Mössbauer effect is well justified for this material.…”

Section: Introductionmentioning

confidence: 99%

Electrochromism in lithiated Sn oxide: Mössbauer spectroscopy data on valence state changes

Isidorsson

Granqvist

Häggström

et al. 1996

Journal of Applied Physics

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Lithiated Sn oxide films, denoted LixSnO2, were produced by reactive rf magnetron sputtering of Sn and electrochemical post-treatment. Optical transmittance and Mössbauer spectra were recorded for progressively increased lithiation. Increasing x from zero to ∼0.1 did not have any significant effect on the optical data or Mössbauer spectra, and it is likely that the lithium is located in internal double layers in the film. Further increasing x from ∼0.1 to ∼0.2 yielded significant transmittance drops and Mössbauer spectra unambiguously showing a conversion Sn4+→Sn2+. Hence the optical absorption can be reconciled with intervalency transitions as in other cathodically coloring electrochromic oxides. Electrocrystallization appeared to dominate the electrochemistry at x≳0.2.

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Electronic transfer in spinel chalcogenides:119Sn Mössbauer spectroscopy and7Li N.M.R.

Cited by 11 publications

References 4 publications

Structural and Local Environment Modifications in a Chemically Lithiated Iron Thiospinel

Structural and Local Environment Modifications in a Chemically Lithiated Iron Thiospinel

Tin Nitride Thin Films as Negative Electrode Material for Lithium-Ion Solid-State Batteries

Electrochromism in lithiated Sn oxide: Mössbauer spectroscopy data on valence state changes

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