Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Capacitor With A Dielectric

Capacitor With A Dielectric

Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Genome-wide DNA supercoiling arises from transcription and SMC activity and mediates transcriptional negative feedback.

bioRxiv : the preprint server for biology·2026

Same author

Conformal and adhesive gel for stable electrophysiology on hairy animals without shaving.

Nature communications·2026

Same author

Defect Engineering Activates Pyrene-Based Covalent Organic Frameworks for Efficient Photocatalytic Uranium Capture.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

A convenient single-cell assay for the newly synthesized transcriptome reveals FLI1 regulon downregulation during T cell activation.

Cell reports methods·2025

Same author

Hierarchical triple-channel architectures unlock scalable and high-efficient uranium extraction from seawater.

Nature communications·2025

Same author

Prognostic value of pan-immune-inflammation in breast cancer patients with lymph node metastasis and neoadjuvant therapy.

Medicine·2025

Search research articles

Related Experiment Video

Updated: Dec 9, 2025

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Published on: November 30, 2022

A Regenerable Hydrogel Electrolyte for Flexible Supercapacitors.

Guanbing Zhou¹, Leyi Yang¹, Weijun Li¹

¹State Key Laboratory Base of Novel Functional Materials and Preparation Science, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.

|September 11, 2020

Summary

This summary is machine-generated.

Researchers developed a regenerable hydrogel electrolyte using polyacrylic acid (PAA) and polyallylamine (PAH) for advanced electrochemical devices. This stretchable material offers high conductivity and retains performance after regeneration and extensive cycling.

Keywords:

Energy Materials Materials Science Polymer Chemistry

More Related Videos

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Published on: April 25, 2020

Related Experiment Videos

Last Updated: Dec 9, 2025

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Published on: November 30, 2022

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Published on: April 25, 2020

Area of Science:

Materials Science
Electrochemistry
Polymer Science

Background:

Advanced electrochemical devices require easily regenerable core components like electrodes and electrolytes.
Current materials often lack the necessary mechanical flexibility and regenerability for sustainable applications.

Purpose of the Study:

To develop a reliable, regenerable, and stretchable hydrogel electrolyte.
To investigate the ionic conductivity, mechanical properties, and electrochemical performance of the novel hydrogel.

Main Methods:

Synthesized a hydrogel electrolyte using ionic bonds between polyacrylic acid (PAA) and polyallylamine (PAH) with 1M LiCl.
Characterized ionic conductivity and mechanical properties (fracture strain).
Tested supercapacitor performance, including capacitance retention under mechanical stress and cycling, and after regeneration.

Main Results:

The PAA-PAH/LiCl hydrogel electrolyte achieved high ionic conductivity (0.050 S·cm-1) and excellent mechanical properties (1,688% fracture strain).
The electrolyte maintained 96% and 90% of its initial ionic conductivity after the first and second regeneration cycles, respectively.
Supercapacitors demonstrated nearly 100% capacitance retention during stretching, rolling, and 5,000 cycles, with regenerated devices showing high performance.

Conclusions:

The PAA-PAH/LiCl hydrogel electrolyte is a cost-effective, high-performance, and regenerable material for electrochemical devices.
This hydrogel shows significant promise for solid-state/flexible supercapacitors and sustainable energy storage.
The material could become a standard commercial hydrogel electrolyte for future energy devices.