Enabling isotropic Li growth <i>via</i> Li foil facet-engineering for high-performance Li metal batteries

Liu, Yanyan; Wang, Shuyue; Sun, Minghao; Ling, Min; Zhou, Shaodong; Liang, Chengdu

doi:10.1039/d3ta05203f

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta05203f

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Enabling isotropic Li growth via Li foil facet-engineering for high-performance Li metal batteries

Yanyan Liu,

Shuyue Wang,

Minghao Sun

et al.

Abstract: Notorious dendrite growth is the major cause of low coulombic efficiency and safety issue in Li metal batteries, which is highly related to the crystallography features of Li crystal. Generally,...

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2024

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Cited by 2 publications

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In‐Situ Constructing a Mixed‐Conductive Interfacial Protective Layer for Ultra‐Stable Lithium Metal Anodes

Li,

Zhang,

Long

et al. 2024

Energy & Environ Materials

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Lithium metal batteries are the most promising next‐generation energy storage technologies due to their high energy density. However, their practical application is impeded by serious interfacial side reactions and uncontrolled dendrite growth of lithium metal anode. Herein, copper 2,4,5‐trifluorophenylacetate is designed and explored to stabilize lithium metal anode by in‐situ constructing a dense and mixed‐conductive interfacial protective layer. The formed passivated layer not only significantly inhibits interfacial side reactions by avoiding direct contact between lithium metal anode and electrolyte but also effectively suppresses lithium dendrite growth due to the unique inorganic‐rich compositions and mixed‐conductive properties. As a result, the copper 2,4,5‐trifluorophenylacetate‐treated lithium metal anodes show greatly improved cycle stability under both high current density and high areal deposition capacity. Notably, the assembled liquid symmetrical cells with copper 2,4,5‐trifluorophenylacetate‐treated lithium metal anodes can stably work for more than 3000, 5000, and 4800 h at 1.0 mA cm−2–1.0 mAh cm−2, 2.0 mA cm−2–5.0 mAh cm−2, and 10 mA cm−2–5.0 mAh cm−2, respectively. Furthermore, the assembled liquid full cell with a high LiFePO4 loading (~16.9 mg cm−2) shows a significantly enhanced cycle life of 250 cycles with stable Coulombic efficiencies (>99.1%). Moreover, the assembled all‐solid‐state lithium metal battery with a high LiNi0.6Co0.2Mn0.2O2 loading (~5.0 mg cm−2) also exhibits improved cycle stability. These findings underline that the copper 2,4,5‐trifluorophenylacetate‐treated lithium metal anodes show great promise for high‐performance lithium metal batteries.

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In‐Situ Constructing a Mixed‐Conductive Interfacial Protective Layer for Ultra‐Stable Lithium Metal Anodes

Li,

Zhang,

Long

et al. 2024

Energy & Environ Materials

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Breaking the diffusion coefficient limitation of bismuth oxide anodes for aqueous alkaline batteries with ultra-high rate capability

Zhou,

Wang,

et al. 2024

Inorg. Chem. Front.

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Enabling isotropic Li growth via Li foil facet-engineering for high-performance Li metal batteries

Abstract: Notorious dendrite growth is the major cause of low coulombic efficiency and safety issue in Li metal batteries, which is highly related to the crystallography features of Li crystal. Generally,...

Cited by 2 publications

References 55 publications

In‐Situ Constructing a Mixed‐Conductive Interfacial Protective Layer for Ultra‐Stable Lithium Metal Anodes

In‐Situ Constructing a Mixed‐Conductive Interfacial Protective Layer for Ultra‐Stable Lithium Metal Anodes

Breaking the diffusion coefficient limitation of bismuth oxide anodes for aqueous alkaline batteries with ultra-high rate capability

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