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

Theory of Strong Electrolytes01:23

Theory of Strong Electrolytes

The interionic forces of the strong electrolytes depend on the solvent's dielectric constant, which is the ability of a solvent to store electrical energy, based on its polarizability. and the solution's concentration. In high-dielectric solvents and in dilute solutions, weak electrostatic forces keep ions apart. However, in low-dielectric solvents or concentrated solutions, stronger interionic forces may cause ions to pair up as ionic doublets despite being fully ionized. The theory of strong...
Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

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.
Debye–Huckel–Onsager Conductance Equation01:28

Debye–Huckel–Onsager Conductance Equation

The Debye-Hückel-Onsager equation is a cornerstone of physical chemistry, providing a method to determine the molar conductance (Λm) and molar conductance at infinite dilution (Λ°m) for uni-univalent electrolytes.Uni-univalent electrolytes are electrolytes that dissociate in solution to produce one cation with a +1 charge and one anion with a –1 charge per formula unit.This equation addresses two crucial phenomena: the asymmetry effect and the electrophoretic effect. According to this equation,...
The Debye–Hückel Theory of Electrolyte Solutions01:27

The Debye–Hückel Theory of Electrolyte Solutions

The Debye–Hückel theory, established by Peter Debye and Erich Hückel in 1923, is a fundamental concept in physical chemistry. It provides an understanding of the behavior of strong electrolytes in solution, particularly explaining their deviations from ideal behavior.The theory is based on Coulombic interactions (the attraction or repulsion between charged particles) between ions in solution. In an ionic solution, oppositely charged ions tend to attract each other. This means that cations...
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
Electrolytes: van't Hoff Factor03:08

Electrolytes: van't Hoff Factor

Colligative Properties of ElectrolytesThe 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 dissolved...

You might also read

Related Articles

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

Sort by
Same authorSame journal

Blockiness reduces the packing of styrene/methyl methacrylate copolymers.

Soft matter·2026
Same author

Nanobubble size controls gas hydrate nucleation in supercooled water.

Physical chemistry chemical physics : PCCP·2026
Same author

Sequence-defined phase behavior of poly(<i>N</i>-isopropylacrylamide-<i>co</i>-acrylamide) in water.

Soft matter·2026
Same author

Microphase Separation Controls the Dynamics of Associative Vitrimers.

ACS macro letters·2025
Same author

Nanotetrapods promote polymer flow through confinement induced packing frustration.

Nature communications·2025
Same author

An explainable ML model for binary LJ fluids.

Soft matter·2025

Related Experiment Video

Updated: May 28, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Ion size controls the conductivity of solid polymer electrolytes.

Ganesh K Rajahmundry1,2, Tarak K Patra1,2

  • 1Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, TN-600036, India. tpatra@iitm.ac.in.

Soft Matter
|May 27, 2026
PubMed
Summary

Optimizing solid polymer electrolytes (SPEs) for energy storage requires understanding ion behavior. Tailoring cation-anion and ion-monomer size ratios enhances ion dispersion and conductivity in SPEs.

More Related Videos

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
11:04

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

Related Experiment Videos

Last Updated: May 28, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
11:04

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

Area of Science:

  • Materials Science
  • Electrochemistry
  • Polymer Science

Background:

  • Solid polymer electrolytes (SPEs) are crucial for advanced energy storage due to their mechanical stability and ionic transport capabilities.
  • Understanding the relationship between ion clustering, microstructure, and conductivity is key to developing high-performance SPEs.
  • Current research focuses on optimizing SPE properties for applications in batteries and other electrochemical devices.

Purpose of the Study:

  • To investigate the impact of cation-anion and ion-monomer size ratios on the conductivity of a model solid polymer electrolyte.
  • To elucidate the mechanisms by which size ratios influence ion dispersion and transport within the polymer matrix.
  • To identify key parameters for designing SPEs with enhanced ionic conductivity for energy storage.

Main Methods:

  • Computational modeling and simulation of a model solid polymer electrolyte system.
  • Analysis of ion-monomer and cation-anion size ratios as independent variables.
  • Evaluation of ion-dipole and ion-ion interaction strengths and their effect on ion distribution.
  • Correlation of microstructural features with macroscopic ionic conductivity.

Main Results:

  • High cation-anion and ion-monomer size asymmetries were found to promote superior mixing of ions within the polymer matrix.
  • Ion-dipole interactions were observed to dominate over ion-ion interactions under asymmetric size conditions, leading to improved ion dispersion.
  • These conditions facilitated faster ion transport by preventing persistent ion pair localization.
  • The study demonstrates a direct link between specific size ratios and enhanced ionic conductivity in SPEs.

Conclusions:

  • Cation-anion and ion-monomer size ratios are critical parameters for tuning the performance of solid polymer electrolytes.
  • Optimizing these size ratios can lead to improved ion dispersion and facilitate faster ion transport, crucial for energy storage applications.
  • The findings provide a pathway for the rational design of next-generation SPEs with enhanced conductivity and stability.