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journal article·2025-10

Confinement‐Tailored High‐Concentration Electrolytes in Metal–Organic Frameworks for Durable Lithium‐Metal Batteries

Zerui Chen, Qinlong Chen, Wei Zhao, Qian Liu, Jinmin Lin, Yuzhu Tian, Xueqian Kong, Hao Bin Wu

Small· Volume 21· Issue 41
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Source abstract

Abstract

Abstract High‐concentration electrolytes (HCEs) face inherent challenges such as high viscosity and diminished ionic conductivity caused by the formation of three‐dimensional (3D) anion networks, which limit their practical applications. In this study, it is demonstrated that encapsulating HCEs within metal–organic frameworks (MOFs) effectively disrupts these 3‐D networks, resulting in significantly enhanced ionic conductivity. Raman spectroscopy, nuclear magnetic resonance (NMR), and molecular dynamics (MD) simulations reveal a significant reduction in aggregates (AGGs)‐state anion within MOF‐confined electrolytes, confirming the reconstruction of the solvation environment. The MOF‐engineered electrolytes promote uniform lithium deposition and enable LiFePO 4 ||Li (LFP||Li) batteries to achieve stable cycling for over 400 cycles with minimal capacity decay. Remarkably, these batteries maintain stability at elevated temperatures and sustain the performance at 90 °C. By addressing the fundamental limitations of HCEs through nanoconfinement in MOFs, this work establishes an effective strategy for developing high‐performance and robust energy storage systems.
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Research context

Energy storageNanomaterialsMaterials processing

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering State Key Laboratory of Silicon and Advanced Semiconductor Materials Zhejiang University Hangzhou 310027 P. R. China

Institue of Wenzhou Zhejiang University Wenzhou 325035 P. R. China

Department of Chemistry Zhejiang University Hangzhou 310027 P. R. China

School of Physics and Optoelectronic Engineering Hangzhou Institute for Advanced Study UCAS Hangzhou 310024 P. R. China

Hoffmann Institute of Advanced Materials Shenzhen Polytechnic University 7098 Liuxian Boulevard Shenzhen 518055 P. R. China

Institute of Translational Medicine Shanghai Jiao Tong University Shanghai 200240 P. R. China

Zhejiang Key Laboratory of Advanced Solid State Energy Storage Technology and Applications Taizhou Institute of Zhejiang University Taizhou 318000 P. R. China

Funding

Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China

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