Zwitterionic Cellulose‐Based Polymer Electrolyte Enabled by Aqueous Solution Casting for High‐Performance Solid‐State Batteries

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(30)

Опубликована: Май 7, 2024

Polyethylene oxide (PEO)-based solid-state batteries hold great promise as the next-generation with high energy density and safety. However, PEO-based electrolytes encounter certain limitations, including inferior ionic conductivity, low Li

Язык: Английский

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Molecule Crowding Strategy in Polymer Electrolytes Inducing Stable Interfaces for All‐Solid‐State Lithium Batteries

Advanced Materials, Год журнала: 2024, Номер 36(31)

Опубликована: Июнь 5, 2024

All-solid-state lithium batteries with polymer electrolytes suffer from electrolyte decomposition and dendrites because of the unstable electrode/electrolyte interfaces. Herein, a molecule crowding strategy is proposed to modulate Li

Язык: Английский

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Constructing Robust LiF‐Enriched Interfaces in High‐Voltage Solid‐State Lithium Batteries Utilizing Tailored Oriented Ceramic Fiber Electrolytes

Advanced Energy Materials, Год журнала: 2024, Номер 14(25)

Опубликована: Апрель 13, 2024

Abstract The pursuit of high‐performance energy storage devices has fueled significant advancements in the all‐solid‐state lithium batteries (ASSLBs). One strategies to enhance performance ASSLBs, especially concerning high‐voltage cathodes, is optimizing structure composite polymer electrolytes (CPEs). This study fabricates a high‐oriented framework Li 6.4 La 3 Zr 2 Al 0.2 O 12 (o‐LLZO) ceramic nanofibers, meticulously addressing challenges both metal anode and LiNi 0.8 Co 0.1 Mn (NCM811) cathode. as‐constructed electrolyte features highly efficient + transport robust mechanical network, enhancing electron ion transport, ensuring uniform current density distribution, stress effectively suppressing dendrite growth. Remarkably, symmetric cells exhibit outstanding long‐term lifespan 9800 h at mA cm −2 operate over 800 even 1.0 under 30 °C. CPEs design results from formation gradient LiF‐riched SEI CEI film Li/electrolyte/NCM811 dual interfaces, conduction maintaining electrode integrity. coin‐cells pouch demonstrate prolonged cycling stability superior capacity retention. sets notable precedent advancing high‐energy ASSLBs.

Язык: Английский

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Incombustible solid polymer electrolytes: A critical review and perspective

Journal of Energy Chemistry, Год журнала: 2024, Номер 93, С. 264 - 281

Опубликована: Янв. 21, 2024

Язык: Английский

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Progress in the application of polymer fibers in solid electrolytes for lithium metal batteries

Journal of Energy Chemistry, Год журнала: 2024, Номер 92, С. 26 - 42

Опубликована: Янв. 11, 2024

Язык: Английский

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Safety concerns in solid-state lithium batteries: from materials to devices

Energy & Environmental Science, Год журнала: 2024, Номер 17(20), С. 7543 - 7565

Опубликована: Янв. 1, 2024

The review focuses on potential safety issues in solid-state lithium batteries during electrolyte synthesis and battery operation/failure, proposes recent innovations future directions to inhibit thermal failure hazardous product release.

Язык: Английский

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Fiber‐Reinforced Ultrathin Solid Polymer Electrolyte for Solid‐State Lithium‐Metal Batteries

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 29, 2025

Abstract Reducing the thickness of solid polymer electrolytes can help to enhance energy density for solid‐state batteries. However, ultrathin still face difficulties in preparation methods, mechanical properties, and interface instability. Herein, a free‐standing, scalable, electrolyte with 10 µm is reported. It achieved through situ thermal curing after filling porous electrospun polyacrylonitrile fiber membrane poly(ethylene glycol) diacrylate‐based electrolyte. Impressively, it contributes high ionic conductivity 8.8 × −4 S cm −1 at room temperature. The not only provide good strength but also offer Li 3 N‐enriched interphase, thereby stabilizing lithium metal anode. pouch cell pairing foil LiNi 0.8 Co 0.1 Mn O 2 cathode mass loading realize gravimetric/volumetric 380 Wh kg 936 L . This investigation provides new insights into potential fiber‐reinforced membranes high‐performance

Язык: Английский

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Interfacial Lithium-Ion Transportation in Solid-State Batteries: Challenges and Prospects

Nano Energy, Год журнала: 2025, Номер 136, С. 110749 - 110749

Опубликована: Фев. 7, 2025

Язык: Английский

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Decoupled Ion Transport via Triadic Molecular Synergy in Flame‐Retardant Quasi‐Solid Electrolytes for Safe Lithium Metal Batteries

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 16, 2025

Abstract Ionic liquids (IL)‐based quasi‐solid polymer electrolytes (QSPEs) hold promise for safe lithium metal batteries owing to their tunable electrochemical properties and processability. However, traditional design strategy has ignored the interdependencies among “component‐function‐interface”, leading compromised practical applications hindered by sluggish lithium‐ion transport kinetics safety concerns. Herein, a triadic molecular synergy paradigm is proposed decouple conduction mechanisms in flame‐retardant QSPEs. Pentaerythritol tetraacrylate‐lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) provides structural framework, while IL (1‐butyl‐3‐methylimidazole bis (trifluoromethylsulfonyl) imide, BmimTFSI) as plasticizer softens chains weakening intermolecular forces provide an additional ion‐transport pathway imparting properties. Additionally, highly electronegative fluorine atoms of additive (2‐(perfluorohexyl)ethyl methacrylate, PFMA) promote LiTFSI dissociation through electron cloud migration, simultaneously immobilizing TFSI⁻ anions suppressing cationic competition strong PFMA−Bmim + coordination. As proof‐of‐concept, this synergistic achieves high transference number (0.72), forms stable fluoride‐dominated interphases, enhances battery via condensed‐phase mechanism. Experimental validation demonstrates that designed electrolyte significantly cycling stability Li symmetric cells, Li||LiFePO 4 Li||LiNi 0.8 Co 0.1 Mn O 2 cells. The engineering establishes developing high‐performance QSPEs batteries.

Язык: Английский

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High-safety clay mineral separator based on multiple hydrogen bonds for lithium ion batteries

Journal of Energy Storage, Год журнала: 2025, Номер 114, С. 115683 - 115683

Опубликована: Фев. 10, 2025

Язык: Английский

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