A Bicontinuous Ionogel Electrolyte with Conductive Nanochannels for Flexible Supercapacitor DOI

Li Teng,

Lanlan Feng,

Qiang Chen

et al.

Published: Jan. 1, 2023

Ionogels with excellent mechanical performance and conductivity have been considered as ideal candidates for constructing flexible ionotronics. However, current ionogels suffer from the well-known trade-off between strength conductivity. Herein, we construct an ionogel bicontinuous phase structures, a polymer-rich solvent-rich phase, via simple one-pot method. The synergy of energy dissipation mechanism conductive nanochannel enables resultant showing comprehensive properties, tensile 4.2 MPa, toughness 14.4 MJ/m3 4.3 mS/cm, which are 47, 44 4.8-fold that formed uniform microstructure. In addition, also demonstrates self-healing capability reprocessability owing to absence chemical crosslinking agent. Based on remarkable high conductivity, supercapacitor is fabricated based electrolyte activated carbon electrodes. integrated device achieves specific capacitance 118 mF/cm2 at density 0.2 mA/cm2 retention up 90% after 1000 charge-discharge cycles. More significantly, retains outstanding electrochemical even being subjected various deformations (e. g., bending, compressing, tapping, puncturing) under harsh conditions (-20 100 oC). This study provides reliable strategy developing high-performance broadens its application in

Language: Английский

Two-dimensional sp2 carbon-conjugated COFs electrode for efficient electro-adsorption of uranium DOI
Sen Yang,

Zitong Luan,

Wen‐Jun Li

et al.

Separation and Purification Technology, Journal Year: 2023, Volume and Issue: 330, P. 125378 - 125378

Published: Oct. 14, 2023

Language: Английский

Citations

25
From Fundamentals to Practice: Electrolyte Strategies for Zinc‐Ion Batteries in Extreme Temperature DOI Creative Commons
Tao Xue, Yongbiao Mu, Xian Yong Wei

et al.

Carbon Neutralization, Journal Year: 2024, Volume and Issue: 4(1)

Published: Nov. 24, 2024

ABSTRACT In the pursuit of advanced energy storage technologies that promote sustainable solutions, zinc‐ion batteries (ZIBs) have emerged as a promising alternative to lithium‐ion due their abundance, safety, and environmental advantages. However, failure mechanisms ZIBs under extreme temperatures are still not fully understood, presenting significant challenges development commercialization. Therefore, innovative strategies essential enhance adaptability temperature extremes. this review, we first explore thermodynamic kinetic aspects performance degradation temperatures, focusing on key factors such ion diffusion redox processes at electrode interfaces. We then comprehensively summarize discuss existing approaches for various electrolyte types, including aqueous, nonaqueous, solid state. Finally, highlight future prospects operating conditions. The insights presented in review expected accelerate advancement facilitate practical implementation large‐scale systems.

Language: Английский

Citations

10
High‐Performance Fatigue‐Resistant Dual‐ Polyrotaxane Hydrogel Electrolytes for Flexible Aqueous Zinc‐Ion Batteries DOI Open Access

Junkang Xu,

Yiran Zhu, Qinghua Gui

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Abstract This study presents a novel anti‐fatigue hydrogel electrolyte with slip‐ring structure for next‐generation flexible wearable energy storage systems. Conventional quasi‐solid aqueous zinc‐ion batteries (ZIBs) electrolytes often suffer from mechanical degradation under repeated stress, limiting practical use. To overcome this, dual‐Polyrotaxane (DPR)‐polyacrylic acid (PAA) unique architecture is synthesized, that enhances durability, self‐healing, and adhesion. The interwoven DPR PAA networks distribute stress evenly, ensuring high ionic conductivity while preventing zinc dendrites parasitic reactions uniform deposition during cycling.When applied to quasi‐solid‐state Zn‐MnO₂ battery, this achieves specific capacity of 295 mAh g⁻¹ MnO₂ at 0.5C, retains 147 5C, shows 81.52% retention after 1000 cycles. battery also demonstrates exceptional stability, pairs lasting over 1750 h 5 mA cm⁻ 2 . Furthermore, it maintains reliable operation stresses like pressing, folding, twisting, making ideal applications. work advances design, offering durable, high‐performance solution

Language: Английский

Citations

1
Long‐lifespan Zinc‐ion Capacitors Enabled by Anodes Integrated with Interconnected Mesoporous Chitosan Membranes through Electrophoresis‐driven Phase Separation DOI
Ruoyu Wang, Wenqiang Wang, Ming Sun

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(10)

Published: Jan. 18, 2024

Abstract The advancement of highly secure and inexpensive aqueous zinc ion energy storage devices is impeded by issues, including dendrite growth, hydrogen evolution corrosion anodes. It essential to modify the interface anodes that homogenizes flux facilitates reversible planarized deposition stripping. Herein, coupling coordination with acid‐base neutralization under driving electrophoresis, manageable mesoscopic phase separation for constructing chitosan frameworks was achieved, thereby fabricating interconnected mesoporous membranes based heterogeneous quasi‐solid‐state electrolytes integrated framework constructed twisted nanofiber bundles, forming a three‐dimensional continuous spindle‐shaped pore structure. With this framework, electrolyte provides exceptional conductivity 25.1 mS cm −1 , puncture resistance strength 2.3 GPa. In addition, amino groups molecule can make surface positively charged. Thus, successfully induced synergistic effect stress constraint electrostatic modulation. As result, as‐assembled capacitor has an excellent cycle life sustains capacity over 95 % after 20000 cycles at current density 5 A g . This research presents constructive strategy stable electrolytes‐integrated

Language: Английский

Citations

7
Zinc Micro-Energy Storage Devices Powering Microsystems DOI Creative Commons

Junbing Zhu,

Hu W, Jiangfeng Ni

et al.

National Science Open, Journal Year: 2024, Volume and Issue: 3(5), P. 20230078 - 20230078

Published: Feb. 21, 2024

The increasing popularity of the Internet Things and growing microelectronics market have led to a heightened demand for microscale energy storage devices, such as microbatteries microsupercapacitors. Although lithium dominated market, safety concerns arising from incidents like self-ignition explosions prompted shift towards new devices prioritizing high safety. Zinc-based micro-energy (ZMSDs), known their safety, low cost, favorable electrochemical performance, are emerging promising alternatives microbatteries. However, challenges persist in fabrication microelectrodes, electrolyte infusion, device packaging, integration with microelectronics. Despite these challenges, significant progress has been made over last decade. This review focuses on recent advancements zinc-based storage, offering unique insights into applications paving way commercial deployment high-performance ZMSDs.

Language: Английский

Citations

6
Bicontinuous Ionogel Electrolyte with Conductive Nanochannels for Flexible Supercapacitors DOI
Teng Li,

Lanlan Feng,

Qiang Chen

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(12), P. 15336 - 15347

Published: March 14, 2024

Ionogels with excellent mechanical performance and conductivity have been considered as ideal candidates for flexible ionotronics. However, current ionogels suffer from the well-known trade-off between strength conductivity. Herein, we construct an ionogel bicontinuous phase structures, a polymer-rich phase, solvent-rich phase. The synergy of energy dissipation mechanism conductive nanochannel enables resultant to show comprehensive properties, tensile 4.2 MPa, toughness 14.4 MJ/m3, 4.3 mS/cm, self-healing capability, reprocessability. Benefiting remarkable high conductivity, integrated supercapacitor achieves specific capacitance 118 mF/cm2 (at density 0.2 mA/cm2) retention up 90% (1000 charge-discharge cycles). More significantly, retains outstanding electrochemical even after being subjected various deformations under harsh conditions. This study provides reliable strategy developing high-performance electrolyte broadens its application in

Language: Английский

Citations

5
A microphase-separation ionogel electrolyte for highly stretchable all-solid-state supercapacitors DOI
Weiyang Tang,

Keyi Dong,

Zilin Chen

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157726 - 157726

Published: Nov. 1, 2024

Language: Английский

Citations

5
Highly stretchable dual network hydrogel electrolytes for supercapacitors at −80 °C DOI
Jiahua Deng, Weijie Tang,

Dong Han

et al.

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 641, P. 236856 - 236856

Published: March 23, 2025

Language: Английский

Citations

0
A physically cross-linked carboxymethyl cellulose/chitosan hydrogel electrolyte with high ionic conductivity for zinc-ion hybrid supercapacitors DOI
Yujia Yang, Shibing Ni, J.H. Zhu

et al.

Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 115, P. 115980 - 115980

Published: March 1, 2025

Language: Английский

Citations

0
Molecular Design of Electron‐Rich Polyoxometalates Based Clusters Enabling Intelligent Energy Storage DOI Open Access
Chen Wang, Xiaozheng Duan, Jian Shen

et al.

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

Published: March 31, 2025

Abstract The fabrication of molecular cluster‐based intelligent energy storage systems remains a significant challenge due to the intricacies multifunctional integration at level. In this work, low‐valent metal atoms are successfully encapsulated within ɛ ‐type Keggin structures, yielding novel cluster denoted as CuMo 16 . This unique structure displayed characteristic “molybdenum red” coloration, with high degree reduction (76.47%), which played pivotal role in enhancing its electrochemical properties. specialized configuration significantly enhanced multi‐proton‐coupled electron transfer kinetics, enabling efficient and rapid release, up thirteen electrons per molecule. To construct an device, is employed proton‐coupled electron‐active material embedded polyvinyl alcohol (PVA) matrix, resulting flexible, wearable, rechargeable devices. flexible electronics not only demonstrate real‐time human motion detection but also exhibit remarkable performance, reaching peak capacity 194.19 mAh g −1 maintaining 68.2% retention after 2500 cycles. Molecular dynamics simulations reveal that integrating enhances performance electronics, regulation content provides effective strategy for optimizing electronic study lays foundation development systems.

Language: Английский

Citations

0