High Elongation, Low Hysteresis, Fatigue Resistant Gel Electrolyte for Supercapacitor and Strain Sensor DOI

Zhuang Zhao,

Youjie Rong,

Cui Pengdi

et al.

Published: Jan. 1, 2024

Supercapacitors are attracting more and attention in the field of energy devices due to their advantages fast charging/discharging high density. Until now,most electrolytes that make up supercapacitors solid electrolytes, which greatly limits use flexible wearables. Herein, we provide a double-network gel electrolyte consisting sodium polyacrylate, acrylic acid, 2-acrylamyl-2-methylpropanesulfonic acid. The addition lithium bis(trifluoro methane sulfonyl)imide endows with excellent tensile property, adhesive property low hysteresis. is assembled activated carbon electrodes form supercapacitor. capacitor exhibits stability frost resistance. In addition, under varying degrees bending compression, can still show stability, proving supercapacitor avoid damage failure caused by deformation. provides options for realizing power supply wearable shows great potential practical application supercapacitors.

Language: Английский

Fundamentals and Advances in Stimuli-Responsive Hydrogels and Their Applications: A Review DOI Creative Commons
Iryna Protsak, Yevhenii M. Morozov

Gels, Journal Year: 2025, Volume and Issue: 11(1), P. 30 - 30

Published: Jan. 2, 2025

This review summarizes the fundamental concepts, recent advancements, and emerging trends in field of stimuli-responsive hydrogels. While numerous reviews exist on this topic, continues to evolve dynamically, certain research directions are often overlooked. To address this, we classify hydrogels based their response mechanisms provide an in-depth discussion key properties mechanisms, including swelling kinetics, mechanical properties, biocompatibility/biodegradability. We then explore hydrogel design, synthesis, structural engineering, followed by overview applications that relatively well established from a scientific perspective, biomedical uses (biosensing, drug delivery, wound healing, tissue engineering), environmental (heavy metal phosphate removal environment polluted water), soft robotics actuation. Additionally, highlight unconventional such as local micro-thermometers cell mechanotransduction. concludes with current challenges future prospects field, aiming inspire further innovations advancements bring them closer societal needs.

Language: Английский

Citations

6
Soft Actuators and Actuation: Design, Synthesis and Applications DOI
Mulenga Kalulu,

Bright Chilikwazi,

Jun Hu

et al.

Macromolecular Rapid Communications, Journal Year: 2024, Volume and Issue: unknown

Published: June 8, 2024

Abstract Soft actuators are one of the most promising technological advancements with potential solutions to diverse fields’ day‐to‐day challenges. derived from hydrogel materials possess unique features such as flexibility, responsiveness stimuli, and intricate deformations, making them ideal for soft robotics, artificial muscles, biomedical applications. This review provides an overview material composition design techniques actuators, exploring 3D printing, photopolymerization, cross‐linking, microfabrication methods improved actuation. It examines applications in biomedical, bioinspired systems, microfluidics, lab‐on‐a‐chip devices, environmental, energy systems. Finally, it discusses challenges, opportunities, advancements, regulatory aspects related actuators.

Language: Английский

Citations

6
Femtosecond‐Laser Preparation of Hydrogel with Micro/Nano‐Structures and their Biomedical Applications DOI Creative Commons
Jingyun Ma,

J. D. Wu,

Zichang Lin

et al.

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

Published: Feb. 6, 2025

Hydrogels with micro/nano‐structures precisely prepared by femtosecond‐laser processing technology are biomaterials that mimic the natural extracellular matrix and can achieve precise regulation of biological properties, such as cell behavior structural–mechanical properties. They also play a crucial role in biomedical fields regenerative medicine, bionanostructural construction, drug transport, particle manipulation. This study summarizes central nonlinear absorption property femtosecond lasers preparation hydrogel micro/nano‐structures. Based on electron‐dynamics model electron‐density flood theory, two main types laser‐processed hydrogel, additive subtractive manufacturing, discussed depth. The modification mechanisms photon–electron energy‐field conversion, multiphoton effect, bubble‐driven bio‐link molding analyzed. Additionally, stimulus‐response diversification functional biomimicry properties structural hydrogels under influences different laser action modes composition ratios investigated for their applications, microactuators, delivery, microscaffolds, vitro simulation vascular networks. On this basis, advantages limitations current summarized reasonable prediction future research law is made.

Language: Английский

Citations

0
Antiadhesive and Antibacterial Coatings for Short‐Term Titanium Implants DOI Creative Commons
Fiona Wiesner,

Karl G. M. Schönewald,

K. Vogel

et al.

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

This study presents a novel approach for the development of antifouling and antibacterial hydrogel coatings short-term titanium implants to treat bone defects. Such provide temporary stabilization during healing are intended be explanted within period 12 months. The surface modification prevents complications implant removal, like injury tissue, nerves, or tendons due adhesion untreated surface. combine acrylamide-based hydrogels with photocrosslinkers possessing intrinsic properties anchor groups designed substrates. Comprehensive in vitro evaluations conducted assess biocompatibility efficacy these coatings. results demonstrate that water-swellable polymer networks effectively prevent cell tissue by their characteristics without inducing cytotoxicity. Importantly, also exhibit an non-leaching effect covalently incorporated into molecular framework, which addresses limitations current coating technologies often rely on incorporation antibiotics bactericidal agents. As experimental data conclusively verify effectiveness inhibiting bacterial colonization, this technology shows great potential significantly advance field implants.

Language: Английский

Citations

0
Unlocking the Potential of CO2 Capture: A Synergistic Hybridization Strategy for Polymeric Hydrogels with Tunable Physicochemical Properties DOI Creative Commons

Yucong Gu,

Gaopeng Wang,

Xuanzhou Chen

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: May 20, 2024

Unlocking CO

Language: Английский

Citations

3
High elongation, low hysteresis, fatigue resistant gel electrolyte for supercapacitor and strain sensor DOI

Zhuang Zhao,

Youjie Rong,

Pengdi Cui

et al.

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 622, P. 235307 - 235307

Published: Sept. 3, 2024

Language: Английский

Citations

1
Plasmon-Enhanced Multiphoton Polymer Crosslinking for Selective Modification of Plasmonic Hotspots DOI Creative Commons
Yevhenii M. Morozov,

Nestor Gisbert Quilis,

Stefan Fossati

et al.

The Journal of Physical Chemistry C, Journal Year: 2024, Volume and Issue: 128(43), P. 18641 - 18650

Published: Oct. 22, 2024

A novel approach to selectively modify narrow subareas of metallic nanostructures adjacent plasmonic hotspots, where strong electromagnetic field amplification occurs upon localized surface plasmon (LSP) excitation, is reported. In contrast plasmon-triggered polymerization, it relies on plasmonically enhanced multiphoton crosslinking (MPC) polymer chains carrying photoactive moieties. When they are contacted with and irradiated a femtosecond near-infrared beam resonantly coupled LSPs, the intensity locally exceeds threshold initiates MPC only at hotspots. This concept demonstrated by using gold nanoparticle arrays coated two specifically designed polymers. Local poly(

Language: Английский

Citations

1
A Gym for Cells—Direct Laser Writing of Magnetic Multilayered Micro Actuators for Mechanical Stimulation of Cells DOI Creative Commons

Nicolas Geid,

Ayman Husari,

Emma Galli

et al.

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

Published: Dec. 11, 2024

Abstract Mechanical forces play a crucial role in many biological processes, including cell–cell and cell–matrix interactions. The generation of surface‐attached multilayer micromagnet systems fabricated by two‐photon lithography the use such to perform single‐cell actuation are presented. actuators generated crosslinking consist soft flexible hydrogel layer swollen aqueous medium hydrophobic polymer filled with magnetic nanoparticles. To this, thin copolymer bilayers containing photoreactive moiety deposited on solid substrate. crosslinker units activated excitation react via C,H insertion reaction any nearby aliphatic bonds. This leads surface‐attachment forming structures so that arrays micromagnetic pillars spatially controlled cell adhesion behavior formed single step. Cells placed is induced an external field allowing for highly controllable dynamic static actuation. Geometric differences can be used vary morphogenesis movement stretch cells resulting customizable actuator specific growth control study molecular level.

Language: Английский

Citations

1
High Elongation, Low Hysteresis, Fatigue Resistant Gel Electrolyte for Supercapacitor and Strain Sensor DOI

Zhuang Zhao,

Youjie Rong,

Cui Pengdi

et al.

Published: Jan. 1, 2024

Supercapacitors are attracting more and attention in the field of energy devices due to their advantages fast charging/discharging high density. Until now,most electrolytes that make up supercapacitors solid electrolytes, which greatly limits use flexible wearables. Herein, we provide a double-network gel electrolyte consisting sodium polyacrylate, acrylic acid, 2-acrylamyl-2-methylpropanesulfonic acid. The addition lithium bis(trifluoro methane sulfonyl)imide endows with excellent tensile property, adhesive property low hysteresis. is assembled activated carbon electrodes form supercapacitor. capacitor exhibits stability frost resistance. In addition, under varying degrees bending compression, can still show stability, proving supercapacitor avoid damage failure caused by deformation. provides options for realizing power supply wearable shows great potential practical application supercapacitors.

Language: Английский

Citations

0