Ion dynamics in Al-Stabilized Li7La3Zr2O12 single crystals – Macroscopic transport and the elementary steps of ion hopping

Posch, Patrick; Lunghammer, Sarah; Berendts, Stefan; Ganschow, Steffen; Redhammer, Günther J.; Wilkening, Alexandra; Lerch, Martin; Gadermaier, Bernhard; Rettenwander, Daniel; Wilkening, H. Martin R.

doi:10.1016/j.ensm.2019.08.017

Cited by 45 publications

(33 citation statements)

References 61 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Herein, we discuss a few additional, more recent publications on LLZO electrolytes, as follows. Posch et al [340] S cm −1 ) was slightly lower than the value 10 −4 S cm −1 reported for polycrystalline Al-LLZO [26]. It was noted that when the Al content was optimal (0.2-0.3 mol.% Al 3+ ) the Al-LLZO samples reached conductivities of up to 10 −3 S cm −1 .…”

Section: Oxide Solid Electrolytesmentioning

confidence: 80%

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

et al. 2020

View full text Add to dashboard Cite

Energy storage materials are finding increasing applications in our daily lives, for devices such as mobile phones and electric vehicles. Current commercial batteries use flammable liquid electrolytes, which are unsafe, toxic, and environmentally unfriendly with low chemical stability. Recently, solid electrolytes have been extensively studied as alternative electrolytes to address these shortcomings. Herein, we report the early history, synthesis and characterization, mechanical properties, and Li+ ion transport mechanisms of inorganic sulfide and oxide electrolytes. Furthermore, we highlight the importance of the fabrication technology and experimental conditions, such as the effects of pressure and operating parameters, on the electrochemical performance of all-solid-state Li batteries. In particular, we emphasize promising electrolyte systems based on sulfides and argyrodites, such as LiPS5Cl and β-Li3PS4, oxide electrolytes, bare and doped Li7La3Zr2O12 garnet, NASICON-type structures, and perovskite electrolyte materials. Moreover, we discuss the present and future challenges that all-solid-state batteries face for large-scale industrial applications.

show abstract

Section: Oxide Solid Electrolytesmentioning

confidence: 80%

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

et al. 2020

View full text Add to dashboard Cite

show abstract

“…[15][16][17] For single-crystal garnet samples, 7 Li relaxation times have been reported. 18,19 The 6,7 Li relaxation phenomena are related to atomic-level Li migrations.…”

Section: Introductionmentioning

confidence: 99%

Relationship between Li⁺ diffusion and ion conduction for single-crystal and powder garnet-type electrolytes studied by ⁷Li PGSE NMR spectroscopy

Hayamizu

Terada

Kataoka

et al. 2019

Phys. Chem. Chem. Phys.

View full text Add to dashboard Cite

show abstract

“…This actually does not mean that the resistance inside the grain is zero, but that the resistance within the grain and at the grain boundaries cannot be distinguished from each other and the resistance of the sample is actually expressed with a single value. The increase in the resistance between the grain boundaries with the increase of In may be a consequence of the decrease in the density of the sample due to different additive amounts [2]. Typical grain boundary capacitance values in the literature are given in the 10 −− 11 -10 −− 8 F range [28].…”

Section: Resultsmentioning

confidence: 99%

“…The first phase of LLZO is tetragonal, and it crystallizes in the I41/acd space group displays an ordered distribution of lithium (Li) ions [1]. Cubic LLZO which is the second phase, on the other hand, has an irregular Li ion distribution due to the lack of lithium in the structure and can crystallize in two different space groups (Ia-3d and I-43d) according to the effect of the substituted element [2]. In the tetragonal LLZO skeleton, Li ions occupy 3 different positions: tetrahedral 8a and octahedral 16f and 32g [3,4].…”

Section: Introductionmentioning

confidence: 99%

The effect of two different substituted atoms in lithium positions on the structure of garnet-type solid electrolytes

Saran¹,

Özkendir²,

Atav³

2021

Turk J Phys

View full text Add to dashboard Cite

Li 7 La 3 Zr 2 O 12 (LLZO), lithium lanthanum zirconate is a promising garnet-type solid electrolyte that is being intensively studied for solid-state lithium batteries. The properties of LLZO such as compatibility with the lithium electrode, stability, and ionic conductivity make them to be used in all solid-state batteries. Moreover, lithium ion concentration and distribution, doping different cations, chemical composition, and interaction between different dopants have remarkable effects on the ionic conduction of LLZO material. Herein, we investigate the solid electrolyte, Li 6.4 (Ga (1−y) In (y) ) 0.2 La 3 Zr 2 O 12 (y = 0.05, 0.10, 0.15, 0.20), by probing the influence of indium substitution to gallium sites at the same lithium concentration on the structure and the lithium ion conduction. A conventional solid state route, ball milling was used to synthesize the materials. Crystal structure, morphology, ionic conduction, and local electronic structure were analysed by X-ray diffraction (XRD), scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS) and X-ray absorption fine structure (XAFS) techniques, respectively. The results revealed that the existence of indium effected the conduction adversely, although made no significant changes on the local structure.

show abstract

Ion dynamics in Al-Stabilized Li7La3Zr2O12 single crystals – Macroscopic transport and the elementary steps of ion hopping

Cited by 45 publications

References 61 publications

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Relationship between Li⁺ diffusion and ion conduction for single-crystal and powder garnet-type electrolytes studied by ⁷Li PGSE NMR spectroscopy

The effect of two different substituted atoms in lithium positions on the structure of garnet-type solid electrolytes

Contact Info

Product

Resources

About

Ion dynamics in Al-Stabilized Li7La3Zr2O12 single crystals – Macroscopic transport and the elementary steps of ion hopping

Cited by 45 publications

References 61 publications

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Relationship between Li+ diffusion and ion conduction for single-crystal and powder garnet-type electrolytes studied by 7Li PGSE NMR spectroscopy

The effect of two different substituted atoms in lithium positions on the structure of garnet-type solid electrolytes

Contact Info

Product

Resources

About

Relationship between Li⁺ diffusion and ion conduction for single-crystal and powder garnet-type electrolytes studied by ⁷Li PGSE NMR spectroscopy