Optimization strategies for key interfaces of LLZO-based solid-state lithium metal batteries

Chu, Jiangwei; Li, Ziwei; Wang, Jin; Huang, Gang; Zhang, Xinbo

doi:10.1039/d3qm01111a

Mater. Chem. Front.

2024

DOI: 10.1039/d3qm01111a

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Optimization strategies for key interfaces of LLZO-based solid-state lithium metal batteries

Jiangwei Chu,

Ziwei Li,

Jin Wang

et al.

Abstract: This review focus on the key interfaces of LLZO-based solid-state lithium metal batteries. The main challenges and corresponding strategies for interface optimization are thoroughly covered.

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Cited by 3 publications

References 203 publications

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Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Maurya,

Bazri,

Srivastava

et al. 2024

Advanced Energy Materials

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Exploiting the synergy between organic polymer electrolytes and inorganic electrolytes via the development of composite electrolytes can suggest solutions to the current challenges of next‐generation solid‐state lithium‐metal batteries (SSLMBs). Depending upon a mass fraction of inorganic fillers and organic polymers, composite electrolytes are broadly classified into “ceramic‐in‐polymer” (CIP) and “polymer‐in‐ceramic” (PIC) categories, inheriting distinct structure and electrochemical properties. Since the stability and electrochemical characteristics of the inorganic phase are superior to those of the organic phase for lithium‐ion conduction, applying lithium‐enrich active filler in PIC seems more promising. The inorganic phase preserves the primary migratory channels in the PIC electrolyte, while the viscoelastic properties attempt to be introduced from the organic binder or host. The present work overviews the studies on state‐of‐the‐art PIC electrolytes, the fundamental mechanism of ionic conduction, preparation methods, and current progress in materials development for SSLMBs. In addition, the modification strategies for improving the electrode–electrolyte interface are also emphasized. Moreover, it further prospects the current challenges and effective strategies for the future development of PICs‐based CPEs to accelerate the practical application of SSLMBs. This review examines the progress and outlook of PIC‐based electrolytes for next‐generation lithium batteries.

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Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Maurya,

Bazri,

Srivastava

et al. 2024

Advanced Energy Materials

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Organic Polymer Framework Enhanced PEO‐Based Electrolyte for Fast Li⁺ Migration in All‐Solid‐State Lithium‐ion Batteries^†

Chen,

Zhou,

et al. 2024

Chin. J. Chem.

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Comprehensive SummaryWith the rapid development of solid‐state batteries, solid‐state polymer electrolytes (SPEs) have attracted widespread attention due to their excellent environmental friendliness, designability, and forming film ability. However, due to the limited conductive path of polymers, lithium‐ion diffusion kinetics are limited, and low ion conductivity is a huge challenge for SPEs in practical applications. This work provides a polyethylene oxide (PEO) based polymer electrolyte, which has multiple paths of ion diffusion caused by organic polymer framework of poly(hexaazatrinaphthalene) (PHATN). The unique porous channel, the specific surface characteristics, the coordination of ‐C=N‐ groups in PHATN with Li+, combined with the mobility of PEO segments, make the SPEs have a good ability to conduct Li+. Interestingly, the PHATN‐PEO/lithium bis(trifluoromethanesulfonyl) imide (LiTFSI) composite electrolytes exhibit excellent electrochemical properties. At room temperature, the conductivity of PHATN‐PEO electrolyte can reach 1.03 × 10–4 S·cm–1, which is greatly improved compared with 3.9 × 10–6 S·cm–1 of PEO. Delightedly, the lithium‐ion transference number of PHATN‐PEO electrolyte achieves 0.61, and the electrochemical window increases to 4.82 V. The LFP/1%PH‐PEO/Li solid‐state batteries show good electrochemical cycles. This work reveals an efficient stratagem for the design of polymer solid‐state electrolytes.

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On the interfacial phenomena at the Li7La3Zr2O12 (LLZO)/Li interface

Kravchyk,

Zhang,

Kovalenko

2024

Commun Chem

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Optimization strategies for key interfaces of LLZO-based solid-state lithium metal batteries

Abstract: This review focus on the key interfaces of LLZO-based solid-state lithium metal batteries. The main challenges and corresponding strategies for interface optimization are thoroughly covered.

Cited by 3 publications

References 203 publications

Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Organic Polymer Framework Enhanced PEO‐Based Electrolyte for Fast Li⁺ Migration in All‐Solid‐State Lithium‐ion Batteries^†

On the interfacial phenomena at the Li7La3Zr2O12 (LLZO)/Li interface

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Optimization strategies for key interfaces of LLZO-based solid-state lithium metal batteries

Abstract: This review focus on the key interfaces of LLZO-based solid-state lithium metal batteries. The main challenges and corresponding strategies for interface optimization are thoroughly covered.

Cited by 3 publications

References 203 publications

Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Ceramic Rich Composite Electrolytes: An Overview of Paradigm Shift toward Solid Electrolytes for High‐Performance Lithium‐Metal Batteries

Organic Polymer Framework Enhanced PEO‐Based Electrolyte for Fast Li+ Migration in All‐Solid‐State Lithium‐ion Batteries†

On the interfacial phenomena at the Li7La3Zr2O12 (LLZO)/Li interface

Contact Info

Product

Resources

About

Organic Polymer Framework Enhanced PEO‐Based Electrolyte for Fast Li⁺ Migration in All‐Solid‐State Lithium‐ion Batteries^†