Progress of Polymer Electrolytes Worked in Solid‐State Lithium Batteries for Wide‐Temperature Application

Small, Journal Year: 2024, Volume and Issue: 20(31)

Published: March 10, 2024

Abstract Solid‐state Li‐ion batteries have emerged as the most promising next‐generation energy storage systems, offering theoretical advantages such superior safety and higher density. However, polymer‐based solid‐state face challenges across wide temperature ranges. The primary issue lies in fact that polymer electrolytes exhibit relatively low ionic conductivity at or below room temperature. This sensitivity to variations poses operating lithium sub‐zero temperatures. Moreover, elevated working temperatures lead shrinkage deformation, ultimately resulting battery failure. To address this challenge of batteries, review presents an overview various electrolyte systems. provides insights into temperature‐dependent physical electrochemical properties polymers, aiming expand range operation. also further summarizes modification strategies for suited diverse final section performance different Valuable potential future research directions designing wide‐temperature are presented based on differences performance. information is intended inspire practical applications batteries.

Language: Английский

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Expediting layered oxide cathodes based on electronic structure engineering for sodium-ion batteries: Reversible phase transformation, abnormal structural regulation, and stable anionic redox

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109905 - 109905

Published: June 21, 2024

Language: Английский

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In Situ Polymerized Flame‐Retardant Crosslinked Quasi Solid‐State Electrolytes for High‐Voltage Lithium Metal Batteries

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(42)

Published: Aug. 12, 2024

Abstract The construction of poly‐dioxolane (PDOL) solid‐state electrolytes by in situ polymerization is an effective way to achieve high performance lithium‐metal batteries. However, the poor electrochemical stability and safety issues linear PDOL limit their further application. In this work, a multifunctional crosslinker has been introduced construct flame retardant crosslinked quasi electrolyte (FCDOL). Due synergistic effect network, prepared FCDOL achieves excellent room temperature ionic conductivity (0.72 mS cm −1 ), Li + transference number (0.655), wide stabilization window (4.8 V vs Li/Li impressive when matched with lithium metal anodes (>4000 h plating/stripping) high‐voltage cathodes, corresponding pouch cells can withstand abusive tests such as bending cutting, encouraging that SPEs provides new insights into high‐energy density high‐safety

Language: Английский

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Toward Practical Li–S Batteries: On the Road to a New Electrolyte

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 17, 2024

Abstract The lithium–sulfur (Li–S) battery system has attracted considerable attention due to its ultrahigh theoretical energy density and promising applications. However, with the increasing demands on S loading electrolyte content, practical Li–S batteries still face several serious challenges, such as slow reaction kinetics at cathode interface, unstable anode interface reactions, undesirable crosstalk effects between anode. Traditional systems often struggle address these challenges under conditions, thereby rendering it imperative establish a new for batteries. This review first discusses necessity of establishing propose specific parameter requirements, electrolyte‐to‐sulfur mass ratio (E m /S). Subsequently, some modification strategies proposed by researchers are summarized different associated Finally, combination is reviewed, aiming reveal more effective design approaches that simultaneously multiple while providing guidance balanced article promotes development electrolytes can act reference other secondary

Language: Английский

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Bacterial Cellulose Applications in Electrochemical Energy Storage Devices

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 3, 2024

Abstract Bacterial cellulose (BC) is produced via the fermentation of various microorganisms. It has an interconnected 3D porous network structure, strong water‐locking ability, high mechanical strength, chemical stability, anti‐shrinkage properties, renewability, biodegradability, and a low cost. BC‐based materials their derivatives have been utilized to fabricate advanced functional for electrochemical energy storage devices flexible electronics. This review summarizes recent progress in development BC‐related devices. The origin, components, microstructure BC are discussed, followed by advantages using applications. Then, material design strategies terms solid electrolytes, binders, separators, as well BC‐derived carbon nanofibers electroactive discussed. Finally, short conclusion outlook regarding current challenges future research opportunities related next‐generation suggestions proposed.

Language: Английский

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Data-driven exploration of weak coordination microenvironment in solid-state electrolyte for safe and energy-dense batteries

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Jan. 27, 2025

The unsatisfactory ionic conductivity of solid polymer electrolytes hinders their practical use as substitutes for liquid to address safety concerns. Although various plasticizers have been introduced improve lithium-ion conduction kinetics, the lack microenvironment understanding impedes rational design high-performance electrolytes. Here, we a class Hofmann complexes that offer continuous two-dimensional channels with functional ligands, creating highly conductive Assisting unsupervised learning, Climbing Image-Nudged Elastic Band simulations screen conductors and out five potential candidates elucidate impact lithium coordination environment on behavior. By adjusting covalency competition between Metal−O Li−O bonds within complexes, can manipulate weak rapid kinetics. Li | |sulfurized polyacrylonitrile (SPAN) cell using solid-state predicted Co(dimethylformamide)2Ni(CN)4 delivers an initial discharge capacity 1264 mAh g−1 retention 65% after 500 cycles at 0.2 C (335 mA g−1), 30 °C ± 3 °C. assembled 0.6 Ah |SPAN pouch areal 3.8 cm−2 second cycle electrolyte mass loading 18.6 mg (mass-to-capacity ratio 4.9). results in authors report data-driven exploration manipulation by plasticizer safe energy-dense batteries.

Language: Английский

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Tailoring Multiple Interactions in Poly (Urethane‐Urea)‐Based Solid‐State Polymer Electrolytes for Long‐Term Cycling Lithium Metal Batteries

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

Published: March 10, 2025

Abstract Polyethylene oxide (PEO)‐based solid polymer electrolytes (SPEs) are considered as one of the most promising candidates for next‐generation lithium metal batteries. However, their application is limited by poor electrode/electrolyte interfacial stability, low Li‐ions transference number, and weak mechanical strength. Herein, poly (urethane‐urea)‐based SPEs developed to enhance improve transport kinetics, provide superior properties. The (urethane‐urea) structure integrates abundant polar groups rigid conjugated moieties, which facilitate interactions with anions salt in SPEs, promoting number supporting formation a LiF‐rich electrolyte interphase (SEI) guide uniform deposition suppress dendrite growth. Furthermore, supramolecular crosslinked network formed through multiple hydrogen bonds π‐π stacking interactions, enhancing strength toughness SPEs. As result, Li//Li solid‐state symmetric cells assembled this SPE demonstrate stable cycling over 3000 h, while LiFePO 4 retain 93.6% initial capacity after 500 cycles at rate 1C. This work presents feasible design strategy developing highly functional materials.

Language: Английский

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In-situ analysis of cathode and anode impedances to probe the performance degradation of lithium–sulfur batteries

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 620, P. 235235 - 235235

Published: Aug. 19, 2024

Language: Английский

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A Review of the Application of Metal-Based Heterostructures in Lithium–Sulfur Batteries

Catalysts, Journal Year: 2025, Volume and Issue: 15(2), P. 106 - 106

Published: Jan. 22, 2025

Lithium–sulfur (Li-S) batteries are recognized as a promising alternative in the energy storage domain due to their high theoretical density, environmental friendliness, and cost-effectiveness. However, challenges such polysulfide dissolution, low conductivity of sulfur, limited cycling stability hinder widespread application. To address these issues, incorporation heterostructured metallic substrates into Li-S has emerged pivotal strategy, enhancing electrochemical performance by facilitating better adsorption catalysis. This review delineates modifications made cathode separator through heterostructures. We categorize heterostructures three classifications: single metals metal compounds, MXene materials paired with formed entirely compounds. Each category is systematically examined for its contributions behavior efficiency batteries. The evaluated both contexts, revealing significant improvements lithium-ion retention. Our findings suggest that strategic design can not only mitigate inherent limitations but also pave way development high-performance systems.

Language: Английский

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Li-Ion Nanorobots with Enhanced Mobility for Fast-Ion Conducting Polymer Electrolytes

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

Published: Jan. 1, 2025

The activated hopping of ultrasmall nanoparticles, in conjunction with the accelerated segmental motion polymer, establishes a dual-channel Li + transport pathway that significantly enhances conductivity polymer electrolyte.

Language: Английский

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