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

Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

72.1K
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution.
72.1K
Electrolytes: van't Hoff Factor03:08

Electrolytes: van't Hoff Factor

37.1K
Colligative Properties of Electrolytes
The colligative properties of a solution depend only on the number, not on the identity, of solute species dissolved. The concentration terms in the equations for various colligative properties (freezing point depression, boiling point elevation, osmotic pressure) pertain to all solute species present in the solution. Nonelectrolytes dissolve physically without dissociation or any other accompanying process. Each molecule that dissolves yields one...
37.1K
Equivalent Capacitance01:19

Equivalent Capacitance

721
From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
721
Equivalent Capacitance01:19

Equivalent Capacitance

2.2K
Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
The following strategies are adopted to calculate...
2.2K
Capacitors and Capacitance01:18

Capacitors and Capacitance

9.6K
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...
9.6K
Introduction to Electrolytes01:33

Introduction to Electrolytes

16.5K
In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
Role of Sodium
One...
16.5K

You might also read

Related Articles

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

Sort by
Same author

Molecular design of porphyrin precursors toward thermally stable microporous ordered carbonaceous frameworks for oxygen reduction reaction.

Nanoscale·2026
Same author

The behaviour of phenothiazines as catholytes in aqueous-organic redox flow batteries.

EES batteries·2026
Same author

Photoreforming of solid waste on 1 m<sup>2</sup> scale using single-source precursor-derived co-catalyst films.

Nature chemical engineering·2026
Same author

How reactive is water at the nanoscale and how to control it?

Science advances·2026
Same author

Surface-Engineered Ru-Graphene Mesosponge Catalysts for pH-Universal and Seawater Hydrogen Evolution.

ACS nanoscience Au·2026
Same author

Hollow-needle-like nanocarbon with chirality-discriminating inner walls.

Nanoscale·2026

Related Experiment Video

Updated: Feb 12, 2026

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices
09:31

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

10.0K

Electrolyte Effects on Disorder-Enhanced Capacitance in Nanoporous Carbons.

Xinyu Liu1, Kara Fong1, Zhaohan Shen2

  • 1Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.

ACS Electrochemistry
|February 11, 2026
PubMed
Summary

The capacitance of nanoporous carbons is mainly driven by structural disorder and ion adsorption, not electrolyte type. This finding holds true across various ionic liquid and organic electrolytes, guiding supercapacitor electrode design.

Keywords:
electrochemical double layer capacitorion adsorption capacitynanoporous carbonquantum capacitancestructural disorder

More Related Videos

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
09:43

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Published on: October 31, 2013

14.2K
Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

2.2K

Related Experiment Videos

Last Updated: Feb 12, 2026

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices
09:31

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

10.0K
Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
09:43

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Published on: October 31, 2013

14.2K
Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

2.2K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Capacitance in nanoporous carbons is influenced by pore structure and surface functionality.
  • The effect of electrolyte chemistry on disorder-driven and ion adsorption capacitance is not well understood.

Purpose of the Study:

  • Investigate the relationship between capacitance and structural order in nanoporous carbons using ionic liquid electrolytes.
  • Determine the generality of disorder-driven capacitance and its mechanisms.
  • Explore the role of electrolyte chemistry in capacitance.

Main Methods:

  • Studied 20 nanoporous carbons with varying degrees of structural order.
  • Utilized ionic liquid electrolytes, specifically 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4).
  • Compared results with previous studies using 1 M tetraethylammonium tetrafluoroborate (TEABF4) in acetonitrile (ACN).

Main Results:

  • Carbons with smaller graphene-like domains and higher ion adsorption capacity showed increased capacitance.
  • Capacitance remained consistent across different ionic liquid and organic electrolytes when pores were accessible.
  • Disorder-driven and adsorption-dependent capacitance are general phenomena in nanoporous carbons.

Conclusions:

  • Electrolyte chemistry has a limited impact on the capacitance of nanoporous carbons.
  • Structural disorder and ion adsorption are key factors determining capacitance.
  • Defect nature and quantum capacitance may influence disorder-driven capacitance, aiding supercapacitor electrode design.