Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 8, 2025
Abstract Polymeric materials featuring excellent flame retardancy are essential for applications requiring high levels of fire safety, while those based on biopolymers highly favored due to their eco‐friendly nature, sustainable characteristics, and abundant availability. This review first outlines the pyrolysis behaviors biopolymers, with particular emphasis naturally occurring ones derived from non‐food sources such as cellulose, chitin/chitosan, alginate, lignin. Then, strategies chemical modifications flame‐retardant purposes through covalent, ionic, coordination bonds presented compared. The is placed advanced methods introducing biopolymer‐based retardants into polymeric matrices fabricating materials. Finally, challenges sustaining current momentum in utilization further discussed.
Language: Английский
Citations
6Fiber‐Reinforced Ultrathin Solid Polymer Electrolyte for Solid‐State Lithium‐Metal Batteries
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 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
Language: Английский
Citations
4Polymer gels for aqueous metal batteries
Progress in Materials Science, Journal Year: 2025, Volume and Issue: unknown, P. 101426 - 101426
Published: Jan. 1, 2025
Citations
2Regulating Interfacial Chemistry to Boost Ionic Transport and Interface Stability of Composite Solid‐State Electrolytes for High‐Performance Solid‐State Lithium Metal Batteries
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 2, 2025
Abstract Composite solid‐state electrolytes (CSSEs) that combine the benefits of inorganic and polymer hold great potential for lithium metal batteries (SSLMBs) due to their high ionic conductivity superior mechanical properties. However, overall performance is severely hindered by several practical challenges, including component aggregation, poor interface behavior, limited Li + transport. Here, a unique ultrathin coating triaminopropyl triethoxysilane with bifunctional structure introduced effectively bridges fillers (Li 1+x Al x Ti 2‐x (PO 4 ) 3 , LATP) polyvinylidene fluoride hexafluoropropylene /polyethylene oxide matrix, thereby enabling high‐performance CSSEs (referred as SLPH). This design prevents LATP particle agglomeration, improves interfacial compatibility, ensures enrichment fast transport within SLPH. Consequently, SLPH exhibits low conduction energy barrier ( E = 0.462 eV), desirable (4.19 × 10 −4 S cm −1 at 60 °C), transference number 0.694). As result, SSLMBs SLPH, Li| |Li symmetric cells, LiFePO | coin‐type, pouch demonstrate rate capability long‐time cycling stability. work underscores significance surface functionalization create stable solid‐solid enhance conduction, paving way in SSLMBs.
Language: Английский
Citations
2Polymer Electrolytes for Compatibility With NCM Cathodes in Solid‐State Lithium Metal Batteries: Challenges and Strategies
Battery energy, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 8, 2025
ABSTRACT Polymer electrolytes (PEs) compatible with NCM cathodes in solid‐state lithium metal batteries (SSLMBs) are gaining recognition as key candidates for advanced electrochemical storage, offering significant safety and stability. Nevertheless, the inherent properties of PEs interactions at interface pivotal influencing SSLMBs' overall performance. This review offers an in‐depth examination PEs, focusing on design strategies that leverage electron‐group electronegativity molecular structure adjustments. Furthermore, it delves into challenges presented by between cathodes, including issues like poor contact, reactions, elevated resistance. The also discusses a range aimed stabilizing these interfaces, such applying surface coatings to NCM, optimizing employing situ polymerization techniques improve compatibility battery efficiency. conclusion insights future developments, highlighting importance optimization adoption effective methods enhance stability thus advancing practical implementation high‐performance SSLMBs.
Language: Английский
Citations
1Lignin-based membranes for health, food safety, environmental, and energy applications: current trends and future directions
Current Opinion in Chemical Engineering, Journal Year: 2025, Volume and Issue: 47, P. 101098 - 101098
Published: Feb. 7, 2025
Language: Английский
Citations
1Toward High‐Performance, Flexible, Photo‐Assisted All‐Solid‐State Sodium‐Metal Batteries: Screening of Solid‐Polymer‐Based Electrolytes Coupled with Photoelectrochemical Storage Cathodes
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 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.
Language: Английский
Citations
1New Nitrate Additive Enabling Highly Stable and Conductive SEI for Fast‐Charging Lithium Metal Batteries
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(49)
Published: Aug. 20, 2024
Abstract Polyester‐based electrolytes formed via in situ polymerization, have been regarded as one of the most promising solid electrolyte systems. Nevertheless, it is still a great challenge to address issue their high reactivity with metallic lithium anode by optimizing components and properties interphase (SEI). Herein, new class N‐containing additive, isopropyl nitrate (ISPN) that can be miscible ester solvents demonstrated, chemically stable ion‐conductive LiF‐Li 3 N composite SEI constructed. In addition, ISPN induce formation anion‐enriched solvation structures reduces desolvation barrier Li + , resulting fast transport . With addition ISPN, ionic conductivity has nearly doubled, reaching 5.3 × 10 −4 S cm −1 What's more, LiFePO 4 (LFP)|ISPN‐PTA|Li cell exhibits exceptional cycle stability charging capabilities, maintaining cycling for 850 cycles at C rate. Even when paired high‐voltage cathode, LiNi 0.6 Co 0.2 Mn O 2 (NCM622)|ISPN‐PTA|Li achieves an impressive capacity retention 97.59% after 165 5 C. This study offers novel approach ester‐based polymer electrolytes, paving way toward development high‐energy metal battery technologies.
Language: Английский
Citations
7PEO‐Based Solid‐State Polymer Electrolytes for Wide‐Temperature Solid‐State Lithium Metal Batteries
Small, Journal Year: 2024, Volume and Issue: unknown
Published: Nov. 26, 2024
Abstract Developing solid‐state lithium metal batteries with wide operating temperature range is important in future. Polyethylene oxide (PEO)‐based electrolytes are extensively studied for merits including superior flexibility and low glass transition temperature. However, ideal usage temperatures conventional PEO‐based between 60 65 °C, unequable degrades their electrochemical performances at high (≤25 °C ≥80 °C). Herein, modification methods of PEO low, especially wide‐temperature applications reviewed based on detailed analyses mechanisms involved its different temperatures. First, shortcomings solid due to influence pointed out. Second, existing strategies summarized detail from three aspects high, temperatures, application derivatives or chain segment treatment PEO, addition fillers, other such as reasonable regulation salts, introduction functional layers metal‐organic frameworks (MOFs) covalent organic (COFs). Finally, a summary description electrolyte research development trends provided. The review aims offer some guidance the creation wider working ranges.
Language: Английский
Citations
7Ultraviolet-cured heat-resistant and stretchable gel polymer electrolytes for flexible and safe semi-solid lithium-ion batteries
Journal of Power Sources, Journal Year: 2024, Volume and Issue: 613, P. 234944 - 234944
Published: June 22, 2024
Language: Английский
Citations
5