A Highly Sensitive, Low Creep Hydrogel Sensor for Plant Growth Monitoring DOI Creative Commons

Haoyan Xu,

Guangyao Zhang,

Wensheng Wang

et al.

Sensors, Journal Year: 2024, Volume and Issue: 24(19), P. 6197 - 6197

Published: Sept. 25, 2024

Ion−conducting hydrogels show significant potential in plant growth monitoring. Nevertheless, traditional ionic hydrogel sensors experience substantial internal creep and inadequate sensitivity, hindering precise In this study, we developed a flexible sensor composed of polyvinyl alcohol acrylamide. The exhibits low high sensitivity. Polyvinyl alcohol, acrylamide, glycerol are crosslinked to create robust interpenetrating double network structure. strong interactions, such as van der Waals forces, between the networks minimize under external stress, reducing drift ratio by 50% rate more than 60%. Additionally, sodium chloride AgNWs enrich with conductive ions pathways, enhancing sensor’s conductivity demonstrating excellent response time (0.4 s) recovery (0.3 s). When used for monitoring, sensitivity small strains stability long−term This establishes foundation developing health monitoring systems utilizing renewable biomass materials.

Language: Английский

Flexible Triboelectric Nanogenerators Fabricated by PAN-supported Self-aggregation Crosslinked PVA Composite Films for Kinetic Energy Harvesting and Pervaporization Applications DOI
Jing Wang, Zhaoyue Xia, Heng Yao

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110713 - 110713

Published: Jan. 1, 2025

Language: Английский

Citations

1

Functional Hydrogels for Aqueous Zinc‐Based Batteries: Progress and Perspectives DOI Open Access

Lei Mao,

Guanjie Li, Binwei Zhang

et al.

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

Published: Dec. 10, 2024

Aqueous zinc batteries (AZBs) hold great potential for green grid-scale energy storage due to their affordability, resource abundance, safety, and environmental friendliness. However, practical deployment is hindered by challenges related the electrode, electrolyte, interface. Functional hydrogels offer a promising solution address such owing broad electrochemical window, tunable structures, pressure-responsive mechanical properties. In this review, key properties that functional must possess advancing AZBs, including strength, ionic conductivity, swelling behavior, degradability, from perspective of full life cycle in AZBs are summarized. Current modification strategies aimed at enhancing these improving AZB performance also explored. The design considerations integrating with electrodes interface discussed. end, limitations future directions bridge gap between academia industries successful

Language: Английский

Citations

5

Energy-locking-loop: Heterogeneous gel interphase potential enhances battery performance DOI

Meizhi Li,

Miao Sun,

Guochen Ji

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 505, P. 159393 - 159393

Published: Jan. 9, 2025

Language: Английский

Citations

0

Active Water Optimization in Different Electrolyte Systems for Stable Zinc Anodes DOI Open Access

Guoxing Tian,

Ailing Song, Ming Liu

et al.

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

Published: Jan. 31, 2025

Zinc (Zn) metal, with abundant resources, intrinsic safety, and environmental benignity, presents an attractive prospect as a novel electrode material. However, many substantial challenges remain in realizing the widespread application of aqueous Zn-ion batteries (AZIBs) technologies. These encompass significant material corrosion (This can lead to battery failure unloaded state.), hydrogen evolution reactions, pronounced dendrite growth at anode interface, constrained electrochemical stability window. Consequently, these factors contribute diminished lifespan energy efficiency while restricting high-voltage performance. Although numerous reviews have addressed potential separator design mitigate issues some extent, inherent reactivity water remains fundamental source challenges, underscoring necessity for precise regulation active molecules within electrolyte. In this review, mechanism AZIBs (unloaded charge discharge state) is analyzed, optimization strategy working principle electrolyte are reviewed, aiming provide insights effectively controlling process reaction, further formation, expanding range stability. Furthermore, it outlines promote its practical future development pathways.

Language: Английский

Citations

0

A Hydrogel Electrolyte‐Based Zn−CO2 Battery with Improved Life DOI Open Access
Xinyi Sun, Wen Zhang, Yiwen Liu

et al.

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

Published: Feb. 3, 2025

Abstract Environmental‐friendly aqueous Zn−CO 2 batteries present bifunctional potentials of achieving carbon neutrality and energy storage. Nonetheless, anode corrosions derived from H O molecules high risks volatilization leakage hinder the advancement batteries. In this work, polyvinyl alcohol (PVA)‐based hydrogel electrolyte with fast ion diffusion kinetics, mechanical strength, flexibility is developed to replace liquid electrolyte. Since hydroxyl radicals in polymer chain can interact Zn 2+ , electrode corrosion free active around significantly inhibited, facilitating uniform deposition cations. The introduction an ionic plasticizer further enhances interaction between backbone, as well amorphous extent possesses adequate self‐healing ability, whose conductivity reaches 7.95 × 10 −3 S cm −1 . symmetric metal containing remain steady for >2000 h under different current densities. Furthermore, battery based on Ru nanoparticles cathode realizes a discharge capacity 6028 mAh g stable cyclicity 90 times. reaction path electrolyte‐based that CO reduced ZnCO 3 C species followed by reversible decomposition products recharge.

Language: Английский

Citations

0

Sulfonate‐Modified Covalent Organic Framework Integrated Hydrogel Electrolyte: Enhancing AZIBs Performances by Tailoring Microstructures and Functional Groups DOI Open Access

Guochen Ji,

Miao Sun,

Meizhi Li

et al.

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

Published: March 23, 2025

Abstract Aqueous zinc‐ion batteries (AZIBs) are emerging as sustainable energy storage systems, yet their practical application is challenged by issues such dendrite growth and hydrogen evolution. A critical factor in enhancing the performance of AZIBs development hydrogel electrolytes (HEs) which offer reduced free water, thereby mitigating side reactions preventing leakage. However, achieving a balance between water maintaining high ionic conductivity challenging. Herein, sulfonate‐modified covalent organic framework (COF‐BSO 3 Zn) designed via facile method intergated it into polyacrylamide (PAM) to form PAM/COF‐BSO Zn (PAM/CBZn) HEs. The COF‐BSO exhibits enhanced aqueous dispersibility significantly improved adsorption capacity for 2+ . PAM/CBZn electrolyte possesses ultrahigh (64.43 mS cm −1 ) excellent transference number (0.84) due ordered porous structure COF‐BSO3 within hydrogel, provides channels efficient transport. Besides, sulfonate groups can regulate solvation structure, contributing uniform deposition inhibiting reactions. Electrochemical tests demonstrate stable cycling over 1800 h with minimal polarization symmetrical cells. This work innovatively highlights new direction tailoring microstructures functional HEs enhance AZIBs, showing great potential toward next‐generation systems.

Language: Английский

Citations

0

Design Principles of Flexible Substrates and Polymer Electrolytes for Flexible Zinc Ion Batteries DOI Open Access

Badshah Ullah,

Tianyu Wang,

R. Cai

et al.

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

Published: March 25, 2025

Flexible ZIBs are gaining significant attention as a cost-effective and inherently safe energy storage technology with promising applications in next-generation flexible wearable devices. The rising demand for electronics has spurred the advancement of batteries. However, widespread adoption liquid electrolytes zinc-ion batteries been hindered by persistent challenges, including leakage, water evaporation, parasitic water-splitting reactions, which pose obstacles to commercialization. Free-standing substrates solid-state polymer key enhancing density, ionic conductivity, power mechanical strength, flexibility ZIBs. Herein, this review highlights recent progress strategies developing high-efficiency systems, focusing on advancements (transitioning from rigid flexible), (shifting solid), adaptability (from non-portable portable designs), transition laboratory research practical industrial applications. Critical assessments advanced modification approaches presented, emphasizing their role achieving safe, flexible, stretchable, wearable, self-healing Finally, future directions development designing effective discussed.

Language: Английский

Citations

0

Intrinsically modified hydrogel electrolyte with highly stretchability, super adhesion and rapid recovery for highly reversible flexible zinc ion batteries DOI
Yanhui Zhang, Ting Li, Kui Chen

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162164 - 162164

Published: March 1, 2025

Language: Английский

Citations

0

Hydrogel Electrolyte Film with Low‐Temperature Adaptability for Flexible Quasi‐Solid‐State Batteries DOI
Wei Liu,

Yingxiang Tan,

Tao Peng

et al.

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

Published: April 28, 2025

Abstract Considering the merits and shortcomings of conventional hydrogels in terms low‐temperature adaptability, a new type hydrogel electrolyte, reinforced by hydrogen bonding containing just 6.8% water, is fabricated. This film exhibits high ionic conductivity 3.9 mS cm −1 at room temperature maintains its flexibility even −40 °C. The hydrogel‐based quasi‐solid‐state cell shows good cyclic stability performance, retaining 80.3% initial capacity after 800 cycles. Furthermore, it performs well sub‐zero conditions, 89.6% −30 °C (0.5C) releasing 56.4 mAh g (0.1C). Notably, LTE‐based flexible full under 180° bending 15% stretching. can be attributed to polymer network with hydrophilic groups, which disrupts hydrogen‐bond networks original water molecules forms abundant interactions between chains molecules. These are crucial for improving adaptability. Overall, this work offers promising approach creating adaptable that used develop wearable energy‐storage devices.

Language: Английский

Citations

0

Dendrite-free zinc metal anode for long-life zinc-ion batteries enabled by an artificial hydrophobic-zincophilic coating DOI
Hanning Zhang, Tao Shui, Nosipho Moloto

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 678, P. 1148 - 1157

Published: Sept. 11, 2024

Language: Английский

Citations

2