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

Effects of Virtual Reality Simulation on Practice of the Nursing Care Process: A Multicenter Randomized Controlled Trial.

Computers, informatics, nursing : CIN·2026

Same author

Cognitive and behavioral pathways from prenatal cocaine exposure to regular marijuana use during emerging adulthood.

Drug and alcohol dependence·2025

Same author

Development of a Digital Intervention Incorporating Habit Formation Techniques for Medication Adherence.

Inquiry : a journal of medical care organization, provision and financing·2025

Same author

Maternal Childhood Trauma and Children's Developmental Course of Aggressive Behavior from Ages 4 to 12.

Psychology of violence·2025

Same author

Effectiveness of Mobile Health Intervention in Medication Adherence: a Systematic Review and Meta-Analysis.

Journal of medical systems·2025

Same author

Recent advances and applications of human lung alveolar organoids.

Molecules and cells·2024

Search research articles

Related Experiment Video

Updated: Nov 1, 2025

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

K₂Ti₆O₁₃ Nanoparticle-Loaded Porous rGO Crumples for Supercapacitors.

Chongmin Lee^1,2, Sun Kyung Kim², Hankwon Chang^1,2

¹Department of Nanomaterials Science and Engineering, University of Science and Technology, Yuseong-gu, Daejeon, 34113, Republic of Korea.

Nano-Micro Letters

|June 17, 2021

Summary

Porous potassium hexa-titanate nanoparticles decorated on reduced graphene oxide crumples show enhanced supercapacitor performance. This novel composite material offers high capacitance and excellent cycling stability for energy storage applications.

Keywords:

Porous graphene crumples Potassium hexa-titanate Supercapacitors

More Related Videos

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

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

Related Experiment Videos

Last Updated: Nov 1, 2025

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

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

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

One-dimensional alkali metal titanates exhibit high ion mobility and surface area, making them suitable for supercapacitors.
Potassium hexa-titanate (KTO) offers superior electrochemical properties due to its large lattice parameters.
Combining titanates with conductive materials like graphene enhances electrode performance.

Purpose of the Study:

To synthesize and characterize porous reduced graphene oxide crumples (PGC) decorated with potassium hexa-titanate nanoparticles (KTO NPs).
To evaluate the electrochemical performance of KTO NP/PGC composites as electrode materials for supercapacitors.
To optimize the synthesis parameters for enhanced capacitance and cycling stability.

Main Methods:

Aerosol spray pyrolysis and post-heat treatment were used for composite synthesis.
Potassium hydroxide (KOH) activation of reduced graphene oxide (rGO) was employed to enhance porosity.
Electrochemical performance was assessed using capacitance measurements and cycling stability tests.

Main Results:

KTO nanoparticles (NPs) under 10 nm were successfully loaded onto PGCs (3-5 µm).
The composite electrodes fabricated at a GO/KOH/TiO2 ratio of 1:3:0.25 exhibited the highest capacitance (275 F g⁻¹).
The optimized composite demonstrated excellent cycling stability, retaining 83% capacitance after 2000 cycles at 1 A g⁻¹.

Conclusions:

Porous rGO crumples decorated with KTO NPs are promising electrode materials for high-performance supercapacitors.
The synthesis method involving aerosol spray pyrolysis and KOH activation effectively enhances electrochemical properties.
The KTO NP/PGC composite offers a viable pathway for advanced energy storage solutions.