Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

1.8K
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
1.8K
Energy Stored in a Capacitor01:12

Energy Stored in a Capacitor

3.9K
When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
3.9K
Energy Stored in Capacitors01:10

Energy Stored in Capacitors

1.4K
A parallel plate capacitor, when connected to a battery, develops a potential difference across its plates. This potential difference is key to the operation of the capacitor, as it determines how much electrical energy the capacitor can store.
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
1.4K
Capacitors01:15

Capacitors

1.3K
Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
1.3K
Capacitors and Capacitance01:18

Capacitors and Capacitance

8.2K
A device consisting of two electrical conductors that are separated by a distance and used to store electrical charges is called a capacitor. The space between the conductors is either a vacuum or an insulating material, called a dielectric. Capacitors have many applications, ranging from filtering static from radio reception to energy storage in heart defibrillators.
When the conductors are two identical parallel plates, it is called a parallel plate capacitor. When battery terminals are...
8.2K
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

1.8K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
1.8K

You might also read

Related Articles

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

Sort by
Same author

Bio-inspired micro-architected mechanochromic materials with radiative signature modulation.

Materials horizons·2026
Same author

Optimized mechano-fluidic metamaterials inspired by deep-sea sponges.

Nature communications·2026
Same author

Adverse effects of sunlight on the temperature of ocular tissues.

Journal of thermal biology·2026
Same author

Enabling recycling of critical metals for electric vehicles.

Journal of environmental management·2026
Same author

Interlayer-anion-controlled immobilization of chromate and chloride by Ca/Al layered double hydroxides.

Journal of hazardous materials·2025
Same author

Accelerated dissolution mechanisms of rare earth elements in waste permanent magnet with oxygen vacancy.

Journal of environmental management·2025

Related Experiment Video

Updated: May 4, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

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

Published on: January 7, 2022

14.3K

Highly flexible, all solid-state micro-supercapacitors from vertically aligned carbon nanotubes.

Ben Hsia1, Julian Marschewski, Shuang Wang

  • 1Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720-1462, USA.

Nanotechnology
|January 11, 2014
PubMed
Summary

Researchers developed a flexible micro-supercapacitor using vertically aligned carbon nanotubes (VACNTs) on a polycarbonate substrate. This durable, solid-state device offers promising integrated energy storage for flexible electronics.

More Related Videos

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

7.3K
Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
08:59

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

Published on: November 30, 2022

3.8K

Related Experiment Videos

Last Updated: May 4, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

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

Published on: January 7, 2022

14.3K
Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

7.3K
Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
08:59

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

Published on: November 30, 2022

3.8K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Flexible electronics require integrated energy storage solutions.
  • Conventional supercapacitors often lack the necessary flexibility and durability.
  • Vertically aligned carbon nanotubes (VACNTs) offer potential for high-performance electrodes.

Purpose of the Study:

  • To develop a highly flexible planar micro-supercapacitor.
  • To investigate the use of VACNTs for flexible energy storage.
  • To demonstrate a scalable fabrication method for solid-state flexible microdevices.

Main Methods:

  • Fabrication of planar micro-supercapacitors using VACNTs on a polycarbonate substrate.
  • Utilized a maskless laser-assisted dry transfer method for electrode patterning.
  • Employed sputtered Nickel (Ni) for reduced electrode resistance and an ionogel electrolyte for a solid-state device.

Main Results:

  • Achieved a specific capacitance of 430 μF cm⁻² at 0.1 V s⁻¹.
  • Demonstrated stable, rectangular cyclic voltammograms up to 100 V s⁻¹.
  • Exhibited minimal capacitance loss under bending and high durability over 1000 cycles.

Conclusions:

  • The developed flexible micro-supercapacitor shows excellent electrochemical performance and mechanical robustness.
  • The facile, scalable fabrication technique is suitable for integrated energy storage in flexible microdevices.
  • This work presents a promising approach for next-generation flexible electronics.