Recent Advances in Biopolymer-Based Hydrogel Electrolytes for Flexible Supercapacitors

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(4), P. 1803 - 1825

Published: March 29, 2024

Growing concern regarding the impact of fossil fuels has led to demands for development green and renewable materials advanced electrochemical energy storage devices. Biopolymers with unique hierarchical structures physicochemical properties, serving as an appealing platform advancement sustainable energy, have found widespread application in gel electrolytes supercapacitors. In this Review, we outline structure characteristics various biopolymers, discuss proposed mechanisms assess evaluation metrics supercapacitor devices, further analyze roles biopolymer context. The state-of-the-art performance biopolymer-based hydrogel supercapacitors their multiple functionalities are summarized, while underscoring current technical challenges potential solutions. This Review is intended offer a thorough overview recent developments electrolytes, highlighting research concerning devices avenues development.

Language: Английский

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Lignocellulose‐Mediated Functionalization of Liquid Metals toward the Frontiers of Multifunctional Materials

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

Published: Nov. 21, 2024

Lignocellulose-mediated liquid metal (LM) composites, as emerging functional materials, show tremendous potential for a variety of applications. The abundant hydroxyl, carboxyl, and other polar groups in lignocellulose facilitate the formation strong chemical bonds with LM surfaces, enhancing wettability adhesion improved interface compatibility. Beyond serving supportive matrix, can be tailored to optimize microstructure adapting them diverse This review comprehensively summarizes fundamental principles recent advancements lignocellulose-mediated highlighting advantages composite fabrication, including facile synthesis, versatile interactions, inherent functionalities. Key modulation strategies LMs innovative synthesis methods functionalized composites are discussed. Furthermore, roles structure-performance relationships these electromagnetic shielding, flexible sensors, energy storage devices systematically summarized. Finally, obstacles prospective pertaining thoroughly scrutinized deliberated upon. is expected provide basic guidance researchers boost popularity applications useful references design state-of-the-art LMs.

Language: Английский

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Constructing host–guest recognition electrolytes promotes the Li⁺ kinetics in solid-state batteries

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(2), P. 780 - 790

Published: Jan. 1, 2024

Ti-MOFs with synergetic various sites are designed to serve as a “host” platform for GPE tune the electrolyte properties. This unique system can improve Li + ion conduction, mechanical strength and ability withstand high voltage.

Language: Английский

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Passivating lithium metal anode by anti-corrosion concentrated ether electrolytes for longevity of batteries

Nano Energy, Journal Year: 2024, Volume and Issue: 123, P. 109406 - 109406

Published: Feb. 16, 2024

Language: Английский

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A Dielectric MXene‐Induced Self‐Built Electric Field in Polymer Electrolyte Triggering Fast Lithium‐Ion Transport and High‐Voltage Cycling Stability

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(25)

Published: April 13, 2024

Abstract Quasi‐solid polymer electrolyte (QPE) lithium (Li)‐metal battery holds significant promise in the application of high‐energy‐density batteries, yet it suffers from low ionic conductivity and poor oxidation stability. Herein, a novel self‐built electric field (SBEF) strategy is proposed to enhance Li + transportation accelerate degradation dynamics carbon‐fluorine bond cleavage LiTFSI by optimizing termination MXene. Among them, SBEF induced dielectric Nb 4 C 3 F 2 MXene effectively constructs highly conductive LiF‐enriched SEI CEI stable interfaces, moreover, enhances electrochemical performance QPE. The related Li‐ion transfer mechanism dual‐reinforced interface are thoroughly investigated using ab initio molecular dynamics, COMSOL, XPS depth profiling, ToF‐SIMS. This comprehensive approach results high 1.34 mS cm −1 , leading small polarization approximately 25 mV for Li//Li symmetric cell after 6000 h. Furthermore, enables prolonged cycle life at voltage up 4.6 V. Overall, this work not only broadens QPE but also inspires great potential QPE‐based high‐voltage batteries.

Language: Английский

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A reversible self-assembled molecular layer for lithium metal batteries with high energy/power densities at ultra-low temperatures

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(13), P. 4531 - 4543

Published: Jan. 1, 2024

We have demonstrated a molecular interface engineering strategy to address the design dilemma of low-temperature electrolytes for lithium metal batteries.

Language: Английский

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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, 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

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Nature-inspired batteries: from biomaterials to biomimetic design strategies

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(12), P. 6944 - 6958

Published: Jan. 1, 2024

Bio-inspired materials and design serve as a source of inspiration for the electrodes, electrolytes, interfaces devices, inducing flexibility, selective ionic transport, self-healing properties or biodegradability.

Language: Английский

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Enhanced lithium-ion conductivity and interficial stability of Li-IL@Fe-BDC composite polymer electrolytes for solid-state lithium metal batteries

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(7), P. 4168 - 4180

Published: Jan. 1, 2024

The Li-IL@Fe-BDC material successfully confines Li-ILs among Fe-BDCs, releasing more free lithium ions in the PEO matrix, and LFP/CPE3/Li battery is stabilized for 700 cycles at 1 C.

Language: Английский

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Designing low-strain cathode materials for long-life all-solid-state batteries

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(25), P. 14940 - 14956

Published: Jan. 1, 2024

This review provides valuable insights and suggestions for future research on designing low-strain cathode materials long-life high-energy-density all-solid-state batteries under low external pressure conditions.

Language: Английский

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