Gel polymer electrolytes for rechargeable batteries toward wide-temperature applications

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(10), P. 5291 - 5337

Published: Jan. 1, 2024

Design principles, engineering strategies, challenges, and opportunities of gel polymer electrolytes for rechargeable batteries toward wide-temperature applications are thoroughly reviewed.

Language: Английский

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Robust PANI@MXene/GQDs‐Based Fiber Fabric Electrodes via Microfluidic Wet‐Fusing Spinning Chemistry

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(38)

Published: June 25, 2023

Two-dimensional transition metal titanium carbide (Ti3 C2 Tx ) as a promising candidate material for batteries and supercapacitors has shown excellent electrochemical performance, but it is difficult to meet practical applications because of its poor morphology structure, low mechanical properties, expensive process. Here, an applied efficient method based on microfluidic wet-fusing spinning chemistry (MWSC) proposed construct hierarchical structure MXene-based fiber fabrics (MFFs), allowing the availability MFF electrodes with ultrastrong toughness, high conductivity, easily machinable properties. First, dot-sheet constructed by graphene quantum dots (GQDs) MXene nanosheets multianchor interaction in microchannel device enhances strength fibers; next, interfused network Ti3 /GQDs assembled MWSC process deformability whole fabrics; finally, core-shell PANI@Ti3 architected in-situ polymerization growth polyaniline (PANI) nanofibers provides more ion-accessible pathways sites kinetic migration ion accumulation. Through microstructure design, this strategy directive significance large-scale preparation conductive fabric viable solution simultaneously enhancing performance electrodes.

Language: Английский

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Solvent‐Free Ultrafast Construction of Se‐Deficient Heterojunctions of Bimetallic Selenides toward Flexible Sodium‐Ion Full Batteries

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(4)

Published: Oct. 26, 2023

Abstract Flexible quasi‐solid‐state sodium ion batteries featuring their low‐cost, high safety and excellent mechanical strength have attracted widespread interest in the field of wearable electronic devices. However, development such faces great challenges including construction interfacial compatible flexible electrode materials addressing demands electrolyte. Here selenium‐vacancies regulated bimetallic selenide heterojunctions anchored on waste cotton cloth‐derived carbon cloth (FCC) with robust C‐Se‐Co/Fe chemical bonds as a anode material (CCFSF) is proposed by ultrafast microwave pyrolysis method. Rich selenium vacancies CoSe 2 /FeSe 2−x heterostructures are synchronously formed that can significantly improve ionic diffusion kinetics. Additionally, uniform layer coating surface Se‐deficient endows it outstanding structural stability. The cathode (PB@FCC) also fabricated directly growing Prussian blue nanoparticles FCC. Furthermore, an advanced Na‐ion pouch cell assembled coupling CCFSF anode, PB@FCC P(VDF‐HFP)‐based gel polymer full not only demonstrates energy storage performance but flexibility safety. present work offers effective avenue to achieve device, promoting

Language: Английский

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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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Quasi-solid-state silicon-air batteries with high capacities and wide-temperature adaptabilities

Energy storage materials, Journal Year: 2024, Volume and Issue: 71, P. 103656 - 103656

Published: July 23, 2024

Language: Английский

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A soft implantable energy supply system that integrates wireless charging and biodegradable Zn-ion hybrid supercapacitors

Science Advances, Journal Year: 2023, Volume and Issue: 9(46)

Published: Nov. 15, 2023

The advent of implantable bioelectronic devices offers prospective solutions toward health monitoring and disease diagnosis treatments. However, advances in power modules have lagged far behind the tissue-integrated sensor nodes circuit units. Here, we report a soft system that monolithically integrates wireless energy transmission storage modules. unit comprises biodegradable Zn-ion hybrid supercapacitors use molybdenum sulfide (MoS2) nanosheets as cathode, ion-crosslinked alginate gel electrolyte, zinc foil anode, achieving high capacitance (93.5 mF cm-2) output voltage (1.3 V). Systematic investigations been conducted to elucidate charge mechanism supercapacitor assess biodegradability biocompatibility materials. Furthermore, wirelessly transmitted can not only supply directly applications but also ensure constant, reliable output. Its capabilities successfully demonstrated for controlled drug delivery.

Language: Английский

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An overview of silicon-air batteries: Principle, current state and future perspectives

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 517, P. 216045 - 216045

Published: July 1, 2024

Language: Английский

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Constructing Kosmotropic Salt‐Compatible PVA Hydrogels for Stable Zinc Anodes via Strong Hydrogen Bonds Preshielding Effect

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(23)

Published: April 9, 2024

Abstract Physical hydrogels crosslinked by noncovalent interactions are promising in flexible zinc–metal batteries for their component controllability and environmental friendliness. However, the compatibility of PVA‐based electrolyte kosmotropic salt remains a challenge, which shows an unclear mechanism. Here, “good‐to‐poor” solvent substitution strategy is adopted to develop PVA hydrogel with good (ZnSO 4 ). Stretching polymer conformation preshielding strong intrachain hydrogen bonds solvents activating interchain interaction situ poor will induce formation homogeneous network release hydrated hydroxyl groups fast ion transport. This multiscale microstructure improves ionic conductivity liquid retention salt. Additionally, this preshielded offers great battery performance, 1300 h stable cycling at 1 mA cm −2 low voltage hysteresis; extended cycle life 220 68.4% zinc utilization. Importantly, Zn//MnO 2 pouch cell maintains 98.4% capacity after 100 cycles 0.2 A g −1 features reliability. These concepts address inherent barriers salt‐based electrolytes advance development soft electronics.

Language: Английский

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Critical challenges and solutions: quasi-solid-state electrolytes for zinc-based batteries

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(10), P. 3270 - 3306

Published: Jan. 1, 2024

QSSEs are emerging in aqueous ZBs and modern applications. By summarizing the fundamentals of materials properties, battery performance applications QSSEs, this review provides insight into future development optimization wider application fields.

Language: Английский

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Research progress of Zn-air batteries suitable for extreme temperatures

Energy storage materials, Journal Year: 2024, Volume and Issue: 69, P. 103429 - 103429

Published: April 23, 2024

Language: Английский

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