Toward High‐Performance, Flexible, Photo‐Assisted All‐Solid‐State Sodium‐Metal Batteries: Screening of Solid‐Polymer‐Based Electrolytes Coupled with Photoelectrochemical Storage Cathodes

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 18, 2025

Abstract The advancement of photo‐assisted rechargeable sodium‐metal batteries with high energy efficiency, lightweight structure, and simplified design is crucial for the growing demand in portable electronics. However, addressing intrinsic safety concerns liquid electrolytes sluggish reaction kinetics existing photoelectrochemical storage cathodes (PSCs) remains a significant challenge. In this work, functionalized light‐driven composite solid electrolyte (CSE) fillers are systematically screened, optimized PSC materials employed to construct advanced solid‐state battery (PSSMB). To further enhance mechanical properties poly(ethylene oxide) compatibility CSE, natural lignocellulose incorporated, enabling fabrication flexible PSSMBs. situ tests density functional theory calculations reveal that electric field facilitated sodium salt dissociation, reduced interfacial resistance, improved ionic conductivity (0.1 mS cm −1 ). Meanwhile, energy‐level matching maximized utilization photogenerated carriers, accelerating enhancing interface between cathode. resulting pouch‐type PSSMB demonstrates remarkable discharge capacity 117 mAh g outstanding long‐term cycling stability, retaining 89.1% its achieving an efficiency 96.8% after 300 cycles at 1 C. This study highlights versatile strategy advancing safe, high‐performance batteries.

Язык: Английский

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Progress in thermoplastic/thermoset polymeric nanocomposites reinforced with graphene quantum dots

Elsevier eBooks, Год журнала: 2025, Номер unknown, С. 83 - 103

Опубликована: Янв. 1, 2025

Язык: Английский

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Challenges and prospectives of sodium-containing solid-state electrolyte materials for rechargeable metal batteries

Materials Science and Engineering R Reports, Год журнала: 2025, Номер 163, С. 100949 - 100949

Опубликована: Фев. 12, 2025

Язык: Английский

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Constructing vertically aligned Li⁺ transport pathways in a flexible solid polymer composite electrolyte by a soft template approach

Nanoscale, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

We first synthesized vertically aligned Li 0.5 La TiO 3 (LLTO) nano-arrays via a sol–gel-template method, offering novel approach to significantly enhance lithium-ion conductivity and stability in composite polymer electrolytes.

Язык: Английский

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In-situ study of lithium insertion on the electrochemical-mechanical coupling behavior of graphite composite electrodes

Energy Materials, Год журнала: 2025, Номер 5(6)

Опубликована: Фев. 25, 2025

Graphite has long served as one of the most commonly used anode materials in lithium-ion batteries, where its electrochemical-mechanical coupling performance is critical for maintaining structural stability and extending cycle life. This study investigates evolution characteristics graphite electrodes during electrochemical cycling. Experiments were performed using situ curvature testing, combined with X-ray Diffraction analysis. A physical model was created to analyze variations curvature, Young's modulus, strain, partial molar volume composite electrodes. The results indicate that modulus elasticity augments concentration lithium ions lithiation. Additionally, undergoes periodic changes state charge. In-situ experiments revealed lithiation phase transformation process graphite. interlayer spacing calculated by tracking (001) (002) diffraction peaks, which verified accuracy cycle. further elucidates mechanisms intercalation volumetric active material within anode.

Язык: Английский

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A designed flexible solid-state electrolyte with rich hydrogen-bonded networks from TPU-PEGDA/LLZTO for Li metal batteries

Chinese Chemical Letters, Год журнала: 2025, Номер unknown, С. 111020 - 111020

Опубликована: Март 1, 2025

Язык: Английский

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Recent Advances for Cation‐Anion Aggregates in Solid Polymer Electrolytes: Mechanism, Strategies, and Applications

Small Methods, Год журнала: 2025, Номер unknown

Опубликована: Март 13, 2025

Abstract Solid polymer electrolytes (SPEs) have garnered significant attention from both academic and industrial communities due to their high safety feature energy density in combination with lithium(Li) metal anode. Nevertheless, practical applications remain constrained by the relatively low room‐temperature ionic conductivity interface issues. Anion‐derived cation‐anion aggregates (AGGs), derived high‐concentration liquid electrolytes, promote a stable solid‐electrolyte interphase layer, which gradually propelled application SPEs. Meanwhile, unique ion transport mechanism of AGGs SPEs also helps enhance conductivity. However, detail progress poorly understood. Here, it is begin concise historical review on development configuration, followed discussion fundamental mechanisms AGGs‐based Then, focused recent developments, design strategies for are summarized detail. Finally, perspectives provided future developments challenges high‐performance

Язык: Английский

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Molecular-level Regulation of PEO-Based Electrolytes with CaF₂ Nanoparticles for Advanced Solid-State Lithium Metal Batteries

ACS Energy Letters, Год журнала: 2025, Номер unknown, С. 2228 - 2235

Опубликована: Апрель 9, 2025

Язык: Английский

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Performance Enhancement of PEO: LiDFOB Based Nanocomposite Solid Polymer Electrolytes via Incorporation of POSS-PEG13.3 Hybrid Nanoparticles for Solid-State Li-ion Batteries

Journal of Physics and Chemistry of Solids, Год журнала: 2024, Номер 196, С. 112319 - 112319

Опубликована: Сен. 7, 2024

Язык: Английский

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Photoexcitation‐Enhanced High‐Ionic Conductivity in Polymer Electrolytes for Flexible, All‐Solid‐State Lithium‐Metal Batteries Operating at Room Temperature

Angewandte Chemie International Edition, Год журнала: 2024, Номер unknown

Опубликована: Окт. 29, 2024

Abstract Designing solid polymer electrolytes (SPEs) with high ionic conductivity for room‐temperature operation is essential advancing flexible all‐solid‐state energy storage devices. Innovative strategies are urgently required to develop SPEs that safe, stable, and high‐performing. In this work, we introduce photoexcitation‐modulated heterojunctions as catalytically active fillers within SPEs, guided by photocatalytic design principles, meanwhile employ natural bacterial cellulose improve the compatibility poly(ethylene oxide), coordination environment of lithium salts, optimize both ion transport mechanical properties. situ photothermal experiments theoretical calculations reveal strong photogenerated electric field produced trace oxide) under photoexcitation significantly enhances salt dissociation, increasing concentration mobile Li + . This results in a substantial increase conductivity, reaching 0.135 mS cm −1 at 25 °C, transference number 0.46. The lithium‐metal pouch cells exhibit an impressive discharge capacity 178.8 mAh g even after repeated bending folding, demonstrate exceptional long‐term cycling stability, retaining 86.7 % their initial 250 cycles 1 C (25 °C). research offers novel approach developing high‐performance batteries.

Язык: Английский

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