Progress and perspectives on halide lithium conductors for all-solid-state lithium batteries

Li, Xiaona; Liang, Jianwen; Yang, Xiaofei; Adair, Keegan R.; Wang, Changhong; Zhao, Feipeng; Sun, Xueliang

doi:10.1039/c9ee03828k

Cited by 495 publications

(483 citation statements)

References 203 publications

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“…[110][111][112] Common SSEs include polymer electrolytes, [113][114][115] polymer-inorganic composite electrolytes, [116][117][118] and inorganic electrolytes. [119][120][121] Amongst these, inorganic electrolytes have received great attention due to their high ionic conductivity and extremely high Young's modulus, which can enhance the safety of Li-metal batteries. Garnet-type SSEs, such as Li 7 La 3 Zr 2 O 12 (LLZO), have been widely explored because of their high chemical inertness toward Li metal.…”

Section: Composite Anodes In Solid-state Batteriesmentioning

confidence: 99%

Recent Progress in Designing Stable Composite Lithium Anodes with Improved Wettability

2020

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Lithium (Li) is a promising battery anode because of its high theoretical capacity and low reduction potential, but safety hazards that arise from its continuous dendrite growth and huge volume changes limit its practical applications. Li can be hosted in a framework material to address these key issues, but methods to encage Li inside scaffolds remain challenging. The melt infusion of molten Li into substrates has attracted enormous attention in both academia and industry because it provides an industrially adoptable technology capable of fabricating composite Li anodes. In this review, the wetting mechanism driving the spread of liquefied Li toward a substrate is discussed. Following this, various strategies are proposed to engineer stable Li metal composite anodes that are suitable for liquid and solid-state electrolytes. A general conclusion and a perspective on the current limitations and possible future research directions for constructing composite Li anodes for high-energy lithium metal batteries are presented.

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Section: Composite Anodes In Solid-state Batteriesmentioning

confidence: 99%

Recent Progress in Designing Stable Composite Lithium Anodes with Improved Wettability

2020

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“…However, there are still many obstacles for their practical implementations. [5][6][7][8] Li-oxide halides and Li-hydroxide halides (Li 3Àp OH p X, p ¼ 0-1, X ¼ Cl and Br) with antiperovskite structures attract much attention recently as promising solid electrolytes. Although the Li-ion conductivity of the simple Li-oxide-halides antiperovskites was found to be low (10 À9 -10 À7 S cm À1 at room temperature), chemical manipulation by substitution with hydroxides increased the conductivity signicantly.…”

Section: Introductionmentioning

confidence: 99%

Ruddlesden–Popper phases of lithium-hydroxide-halide antiperovskites: two dimensional Li-ion conductors

et al. 2020

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“…A viable alternative is provided through revisiting ion transport uncovered back to the 1930’s in LiX (X = F, Cl, Br, I) that has led to Li-based ternary halides Li 3 YX 6 (X = Cl, Br) with ionic conductivities of 0.07–1.7 × 10 −3 S cm −1 after ball milling. Moreover, in terms of practical benefit these ternary halides are stable at high potential as demonstrated with an electrochemically workable (Li 3 YCl 6 /LiCoO 2 ) cell without pre-coating of the cathode 50 .…”

Section: Ionic Transport and Defectsmentioning

confidence: 99%

Solid state chemistry for developing better metal-ion batteries

et al. 2020

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Metal-ion batteries are key enablers in today’s transition from fossil fuels to renewable energy for a better planet with ingeniously designed materials being the technology driver. A central question remains how to wisely manipulate atoms to build attractive structural frameworks of better electrodes and electrolytes for the next generation of batteries. This review explains the underlying chemical principles and discusses progresses made in the rational design of electrodes/solid electrolytes by thoroughly exploiting the interplay between composition, crystal structure and electrochemical properties. We highlight the crucial role of advanced diffraction, imaging and spectroscopic characterization techniques coupled with solid state chemistry approaches for improving functionality of battery materials opening emergent directions for further studies.

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Progress and perspectives on halide lithium conductors for all-solid-state lithium batteries

Abstract: This review focuses on fundamental understanding, various synthesis routes, chemical/electrochemical stability of halide-based lithium superionic conductors, and their potential applications in energy storage as well as related challenges.

Cited by 495 publications

References 203 publications

Recent Progress in Designing Stable Composite Lithium Anodes with Improved Wettability

Recent Progress in Designing Stable Composite Lithium Anodes with Improved Wettability

Ruddlesden–Popper phases of lithium-hydroxide-halide antiperovskites: two dimensional Li-ion conductors

Solid state chemistry for developing better metal-ion batteries

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