Polymorphism of LiAg

Pavlyuk, Volodymyr; Dmytriv, Grygoriy; Tarasiuk, Ivan; Chumak, Ihor; Pauly, H.; Ehrenberg, Helmut

doi:10.1016/j.solidstatesciences.2009.11.006

Cited by 19 publications

(24 citation statements)

References 5 publications

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“…Temperature dependent 7 Li solid state NMR data were indicative of restricted one-dimensional lithium mobility producing only partial line narrowing of the static NMR lineshape and a well-defined quadrupolar splitting, in qualitative agreement with this structural feature. A different situation occurs for Li 3 Rh 4 Si 4 [38].…”

Section: Lithium-transition Metal-silicidessupporting

confidence: 54%

“…In total, one observes a quite complicated microstructure. This picture is confirmed by detailed temperature-dependent 7 Li solid state NMR spectra, to be discussed below.…”

Section: Lithium-transition Metal-silicidesmentioning

confidence: 54%

“…Groups working in the field of synthetic solid state chemistry used classical phase analyses in order to search for new ternary compounds, while in the field of electrochemistry several binary T y X z intermetallics have been used as so-called 'alloy-electrodes' and their lithiation behavior has been tested electrochemically. Besides the many Li 3 Bi related cubic phases with group III and group IV main group elements reported by the Schuster and Weiss groups (Table 1), the Li-Cu-Al [3,4] and Li-Ag-In [5][6][7] system gained renaissance when searching for new light weight and efficient anode materials.…”

Section: Introductionmentioning

confidence: 99%

“…The crystal chemical peculiarities of these tetrelides are reviewed herein together with 7 Li solid state NMR results and electrochemical data. The basic crystallographic data of the tetrelides synthesized in our group and those reported in literature are listed in Table 1.…”

Section: Introductionmentioning

confidence: 99%

“…Depending on the bonding of the lithium atoms to the polyanionic network one observes mobility of the lithium atoms. The crystal chemistry, chemical bonding, 7 Li solid state NMR, and the electrochemical behavior of the tetrelides are reviewed herein. …”

mentioning

confidence: 99%

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Lithium-Transition Metal-Tetrelides – Structure and Lithium Mobility

Pöttgen¹,

Dinges

Eckert

et al. 2010

Zeitschrift Für Physikalische Chemie

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Lithium / Tetrelides / Ionic Mobility / Crystal ChemistryLithium-transition metal (T)-tetrelides (tetr. = C, Si, Ge, Sn, Pb) are an interesting class of materials with greatly differing crystal structures. The transition metal and tetrel atoms build up covalently bonded networks which leave cavities or channels for the lithium atoms. Depending on the bonding of the lithium atoms to the polyanionic network one observes mobility of the lithium atoms. The crystal chemistry, chemical bonding, 7 Li solid state NMR, and the electrochemical behavior of the tetrelides are reviewed herein.

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Section: Lithium-transition Metal-silicidessupporting

confidence: 54%

“…In total, one observes a quite complicated microstructure. This picture is confirmed by detailed temperature-dependent 7 Li solid state NMR spectra, to be discussed below.…”

Section: Lithium-transition Metal-silicidesmentioning

confidence: 54%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Lithium-Transition Metal-Tetrelides – Structure and Lithium Mobility

Pöttgen¹,

Dinges

Eckert

et al. 2010

Zeitschrift Für Physikalische Chemie

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In Situ Formed Ag‐Li Intermetallic Layer for Stable Cycling of All‐Solid‐State Lithium Batteries

et al. 2021

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With the timely advent of the electric vehicle era, where battery stability has emerged as a major issue, all-solid-state batteries (ASSBs) have attracted significant attention as the game changer owing to their high stability. However, despite the introduction of a densely packed solid electrolyte (SE) layer, when Li is used to increase the energy density of the cell, the short-circuit problem caused by Li protrusion is unavoidable. Furthermore, most strategies to control nonuniform Li growth are so complicated that they hinder the practical application of ASSBs. To overcome these limitations, this study proposes an Ag-Li alloy anode via mass-producible roll pressing method. Unlike previous studies reporting solid-solution-based metal alloys containing a small amount of lithiophilic Ag, the in situ formed and Ag-enriched Ag-Li intermetallic layer mitigates uneven Li deposition and maintains a stable SE/Ag-Li interface, facilitating reversible Li operation. Contrary to Li cells showing frequent initial short-circuit, the cell incorporating the Ag-Li anode exhibits a better capacity retention of 94.3% for 140 cycles, as well as stable cycling even under 12 C. Through a facile approach enabling the fabrication of a large-area anode with controllable Li growth, this study provides practical insight for developing ASSBs with stable cyclabilities.

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ChemInform Abstract: Polymorphism of LiAg.

et al. 2010

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Polymorphism of LiAg. -Powder XRD reveals a phase transition of LiAg from the cubic CsCl-type structure (space group Pm3m) to a tetragonal UPb-type structure (space group I41/amd, Z = 4) at ambient conditions. Elevated temperatures and/or a small Li-excess versus the equimolar composition favor the cubic structure, whereas ambient and lower temperatures and/or a small Li-deficiency stabilize the tetragonal structure. -(PAVLYUK, V. V.; DMYTRIV, G. S.; TARASIUK, I. I.; CHUMAK, I. V.; PAULY, H.; EHRENBERG*, H.; Solid State Sci. 12 (2010) 2, 274-280; Inst. Komplexe Mater.,

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Polymorphism of LiAg

Cited by 19 publications

References 5 publications

Lithium-Transition Metal-Tetrelides – Structure and Lithium Mobility

Lithium-Transition Metal-Tetrelides – Structure and Lithium Mobility

In Situ Formed Ag‐Li Intermetallic Layer for Stable Cycling of All‐Solid‐State Lithium Batteries

ChemInform Abstract: Polymorphism of LiAg.

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