Intrinsically Safe Lithium Metal Batteries Enabled by Thermo‐electrochemical Compatible in‐situ Polymerized Solid‐state Electrolytes

Advanced Materials, Год журнала: 2024, Номер 36(35)

Опубликована: Июнь 28, 2024

In situ polymerized solid-state electrolytes have attracted much attention due to high Li-ion conductivity, conformal interface contact, and low resistance, but are plagued by lithium dendrite, degradation, inferior thermal stability, which thereby leads limited lifespan severe safety hazards for high-energy metal batteries (LMBs). Herein, an in electrolyte is proposed copolymerization of 1,3-dioxolane with 1,3,5-tri glycidyl isocyanurate (TGIC) as a cross-linking agent, realizes synergy battery compatibility Li anode. Functional TGIC enhances the polymeric level. The unique carbon-formation mechanism facilitates flame retardancy eliminates fire risk. meantime, TGIC-derived inorganic-rich interphase inhibits side reactions promotes uniform plating. Intrinsically safe LMBs nonflammability outstanding electrochemical performances under extreme temperatures (130 °C) achieved. This functional polymer design shows promising prospect development LMBs.

Язык: Английский

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

Small, Год журнала: 2025, Номер unknown

Опубликована: Янв. 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.

Язык: Английский

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A comparative analysis of recycling technologies for sustainable extraction of cathodic materials from battery waste: Evaluation of energy, economic, and environmental performance

Journal of Energy Storage, Год журнала: 2025, Номер 111, С. 115407 - 115407

Опубликована: Янв. 16, 2025

Язык: Английский

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Recent Development of Thermal Insulating Materials for Li-Ion Batteries

Energies, Год журнала: 2024, Номер 17(17), С. 4412 - 4412

Опубликована: Сен. 3, 2024

As one of the core components electric vehicles, Li-ion batteries (LIBs) have attracted intensive attention due to their high energy density and good long-term cycling stability. However, some abuse conditions inevitably occur during battery operation, resulting in safety accidents such as thermal runaway (TR) LIBs. Therefore, efficient appropriate insulation material design is crucial for LIB packs effectively reduce or even inhibit spread TR. Based on it, this review, we present principle influences TR provide necessity management insulating materials. Then, deeply discuss compare two kinds representative materials: phase change materials barrier-type Their properties, synthesis methods, modification means are investigated guidance future application high-performance field

Язык: Английский

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Research on the Modification of Hard Carbon Anode Materials for Sodium-Ion Batteries

Material Sciences, Год журнала: 2025, Номер 15(01), С. 106 - 114

Опубликована: Янв. 1, 2025

Язык: Английский

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Covalent organic frameworks for high-performance rechargeable lithium metal batteries: Strategy, mechanism, and application

Progress in Materials Science, Год журнала: 2025, Номер unknown, С. 101455 - 101455

Опубликована: Фев. 1, 2025

Язык: Английский

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2D/3D hierarchical Zinc@Ti3C2Tx-MXene composite-coated copper foil as dendrite-free lithium host for stable lithium metal batteries

Journal of Colloid and Interface Science, Год журнала: 2025, Номер 693, С. 137643 - 137643

Опубликована: Апрель 18, 2025

Язык: Английский

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Nonflammable Polyfluorides‐Anchored Quasi‐Solid Electrolytes by Chemical‐Crosslinking for High‐Safety Sodium Metal Battery

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 8, 2025

Abstract The combustion risks of flammable organic solvents and polymer matrices in liquid electrolyte systems, coupled with critical challenges such as inadequate ionic conductivity at room temperature (RT) poor sodium dendrite suppression capability, significantly hinder the practical application metal batteries (SMBs). Therefore, developing flame‐retardant or non‐combustible systems represents a pathway to overcome their safety limitations. To address these challenges, this study develops fluorinated membrane (PCUF), which integrates salt loading, enhanced ion dissociation, flame retardancy functions, is compatible high‐safety battery systems. presence electron‐withdrawing fluorine atom enhances dissociation lithium/sodium perchlorate promotes efficient transport. PCUF exhibits remarkable ( σ Na ⁺ = 2.590 × 10⁻⁴ S cm⁻¹, Li 2.413 10 ‐ ⁴ cm ¹) transference numbers t 0.910, 0.804). Na|PCUF|Na₃V₂ (PO₄) ₃ robust specific capacity 81.3 mAh g⁻¹ after 2000 cycles 1 C maintains stable performance over wide range (> 400 from 25 85 °C. Meanwhile, assembled demonstrates excellent cycling stability 4000 charge–discharge rate 0.5 C. Furthermore, thermal runaway testing reveals that both higher onset compared PCU membrane. This improvement stems fluorine‐containing free radicals (F·) generated during PCUF's decomposition, effectively suppress migration highly reactive chain reactions into gas phase. work highlights rational design strategy for constructing SEI enhancing safe long‐life sodium‐metal applications.

Язык: Английский

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Recent advances in 3D Cu current collectors for Li metal anodes

Materials Science and Engineering B, Год журнала: 2025, Номер 321, С. 118459 - 118459

Опубликована: Июнь 4, 2025

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Conceptional design of passive system-level battery fire prevention device based on Tesla valve channel and phase change material

Journal of Energy Storage, Год журнала: 2024, Номер 107, С. 114942 - 114942

Опубликована: Дек. 12, 2024

Язык: Английский

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