In situ Polymerized Solid‐State Electrolyte Enabling Inorganic‐Organic Dual‐Layered SEI Film for Stable Lithium Metal Batteries

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 5, 2025

Abstract In situ polymerization of cyclic ethers is a promising strategy to construct solid‐state lithium (Li) metal batteries with high energy density and safety. However, their practical applications are plagued by the unsatisfactory electrochemical properties polymer electrolytes unstable solid electrolyte interphase (SEI). Herein, organic perfluorodecanoic acid (PFDA) proposed as new initiator polymerize 1,3‐dioxolane (PDOL), which enables as‐obtained PDOL deliver greatly enhanced ionic conductivity broadened window. Besides, experimental data theoretical calculations demonstrate dual‐layered SEI PFDA‐derived component on top LiF at bottom constructed surface Li metal, can provide enough mechanical strength suppress dendrite growth flexibility accommodate volume fluctuations during repeated cycling. As result, symmetric cells PFDA‐induced (P‐PDOL) achieve superior plating/stripping cycle for 1400 h 0.3 mA cm −2 . Additionally, Li||P‐PDOL||LiFePO 4 (LFP) full maintain stable cycling over 300 times 0.5 C. This work offers potential simultaneously prepare high‐performance stabilize metal/PDOL interface, providing research insights advance toward applications.

Language: Английский

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Ultrafast Li‐Rich Transport in Composite Solid‐State Electrolytes

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 31, 2025

Solid-state lithium (Li) metal batteries (SSLMBs) have garnered considerable attention due to their potential for high energy density and intrinsic safety. However, widespread development has been hindered by the low ionic conductivity of solid-state electrolytes. In this contribution, a novel Li-rich transport mechanism is proposed achieve ultrafast Li-ion conduction in composite By incorporating cation-deficient dielectric nanofillers into polymer matrices, it found that negatively charged cation defects effectively intensify adsorption Li ions, resulting concentration enrichment on surface fillers. More importantly, these formed layers are interconnected establish continuous networks. The electrolyte exhibited remarkably ion activation (0.17 eV) achieved an unprecedented approaching 1 × 10⁻3 S cm⁻1 at room temperature. Li||LiNi0.8Co0.1Mo0.1O2 full cells demonstrated extended cycling life over 200 cycles with capacity retention 70.7%. This work provides fresh insight improving constructing networks, paving way high-performance SSLMBs.

Language: Английский

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Building a Better All-Solid-State Lithium-Ion Battery with Halide Solid-State Electrolyte

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Since the electrochemical potential of lithium metal was systematically elaborated and measured in early 19th century, lithium-ion batteries with liquid organic electrolyte have been a key energy storage device successfully commercialized at end 20th century. Although battery technology has progressed enormously recent years, it still suffers from two core issues, intrinsic safety hazard low density. Within approaches to address challenges, development all-solid-state (ASSLBs) based on halide solid-state electrolytes (SSEs) displayed for application stationary devices may eventually become an essential component future smart grid. In this Review, we categorize summarize current research status SSEs different halogen anions perspective chemistry, upon which synthetic routes possessing high room-temperature ionic conductivity, compare detail performance terms activation energy, electronic interfacial contact stability, window corresponding optimization strategies each above-mentioned indicators. Finally, provide outlook unresolved challenges opportunities ASSLBs.

Language: Английский

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Solid‐State Electrolytes for Lithium Metal Batteries: State‐of‐the‐Art and Perspectives

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 35(1)

Published: Oct. 31, 2024

Abstract The use of all‐solid‐state lithium metal batteries (ASSLMBs) has garnered significant attention as a promising solution for advanced energy storage systems. By employing non‐flammable solid electrolytes in ASSLMBs, their safety profile is enhanced, and the anode allows higher density compared to traditional lithium‐ion batteries. To fully realize potential solid‐state (SSEs) must meet several requirements. These include high ionic conductivity Li + transference number, smooth interfacial contact between SSEs electrodes, low manufacturing cost, excellent electrochemical stability, effective suppression dendrite formation. This paper delves into essential requirements enable successful implementation ASSLMBs. Additionally, representative state‐of‐the‐art examples developed past 5 years, showcasing latest advancements SSE materials highlighting unique properties are discussed. Finally, provides an outlook on achieving balanced improved addressing failure mechanisms solutions, critical challenges such reversibility plating/stripping thermal runaway, characterization techniques, composite SSEs, computational studies, ASS lithium–sulfur lithium–oxygen With this consideration, ASSLMBs can be realized.

Language: Английский

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In‐situ polymerized solid/quasi‐solid polymer electrolyte for lithium‐metal batteries: recent progress and perspectives

Chemistry - A European Journal, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 11, 2024

Abstract In pursuit of high energy density, lithium metal batteries (LMBs) are undoubtedly the best choice. However, leakage and inevitable dendrite growth in liquid electrolytes seriously hinder its practical application. Solid/quasi‐solid state have emerged as an answer to solve above issues. Especially, polymer with excellent interface compatibility, flexibility, ease machining become a research hotspot for LMBs. Nevertheless, contact between electrolyte inorganic electrode materials low ionic conductivity restrict development. On account these, situ polymerized is proposed. Polymer solid produced through polymerization promote robust while simplifying preparation steps. This review summarized latest progress These were divided into three parts according their methods: thermally induced polymerization, chemical initiator ionizing radiation so on. Furthermore, we concluded major challenges future trends It's hoped that this will provide meaningful guidance on designing high‐performance

Language: Английский

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Lean-solvent solid electrolytes for safer and more durable lithium batteries: a crucial review

Energy & Environmental Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This review thoroughly examines the impact of lean-solvent solid electrolyte (LSEs) on for safer and more durable lithium batteries. It also provides a comprehensive overview existing LSEs.

Language: Английский

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Improving thermal stability and kinetical properties through polymer brushes towards wide-temperature solid-state lithium metal batteries

Composites Part B Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 112328 - 112328

Published: Feb. 1, 2025

Language: Английский

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Regulating Interfacial Wettability for Fast Mass Transfer in Rechargeable Metal-Based Batteries

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

The interfacial wettability between electrodes and electrolytes could ensure sufficient physical contact fast mass transfer at the gas-solid-liquid, solid-liquid, solid-solid interfaces, which improve reaction kinetics cycle stability of rechargeable metal-based batteries (RMBs). Herein, engineering multiphase interfaces is summarized from electrolyte electrode aspects to promote interface rate durability RMBs, illustrates revolution that taking place in this field thus provides inspiration for future developments RMBs. Specifically, review presents principle macro- microscale summarizes emerging applications concerning effect on Moreover, deep insight into development provided outlook. Therefore, not only insights but also offers strategic guidance modification optimization toward stable electrode-electrolyte

Language: Английский

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Clarification of network structure of lithium-ion battery slurry under effects of composite conductive agent amount and carbon black to graphene mass ratio

Particuology, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

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Review and Future Perspectives on Lithium Battery Fire Safety: Focusing on Design of Organic Components

Energy & environment materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 28, 2025

The widespread use of lithium batteries has led to frequent fire hazards, which significantly threaten both human lives and property safety. One the primary challenges in enhancing safety lies flammability their organic components. As electronic devices continue proliferate, integration liquid electrolytes separators become common. However, these components are prone high volatility leakage, limits Fortunately, recent advancements solid‐state gel have demonstrated promising performance laboratory settings, providing solutions issues. Typically, improving flame retardancy involves careful design formulations or molecular structures materials. Moreover, internal interfacial interactions also play a vital role ensuring This review examines innovative strategies developed over past 5 years address concerns associated with batteries. Future next generation high‐safety should not only focus on optimizing component but emphasize rigorous operational testing. dual approach will drive further progress battery research development, overall reliability systems.

Language: Английский

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