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Related Concept Videos

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.
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...
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...
Aqueous Solutions and Heats of Hydration02:42

Aqueous Solutions and Heats of Hydration

Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water.
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
Ionic Association01:28

Ionic Association

The ionic association is the association of oppositely charged ions in an electrolyte solution to form ion pairs. Bjerrum defined ion pairs as two oppositely charged ions whose electrostatic attraction exceeds the thermal energy of the system, typically expressed as 2kT. Electrostatic attraction depends on ionic charge, separation distance, and the dielectric constant of the medium. Thermal energy, represented by kT, reflects the tendency of ions to move independently due to molecular motion.
Roles of Electrolytes: Chloride and Bicarbonate01:29

Roles of Electrolytes: Chloride and Bicarbonate

Chloride ions contribute to the osmotic pressure gradient distinguishing the intracellular fluid (ICF) from the extracellular fluid (ECF). They counterbalance positively charged ions in the ECF and ensure its electrochemical stability. The renal system's process of chloride absorption and release generally mirrors that of sodium ions.
Conditions such as hypochloremia can arise from insufficient chloride reabsorption by the kidneys, often compounded by extended bouts of diarrhea, vomiting, or...

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Updated: May 16, 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

Hydridoborate solid electrolytes: opportunities and challenges.

Hugo Braun1,2, Corsin Battaglia1,3,4, Arndt Remhof1,2

  • 1Empa - Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland. arndt.remhof@empa.ch.

Chemical Communications (Cambridge, England)
|May 14, 2026
PubMed
Summary
This summary is machine-generated.

Hydridoborate solid electrolytes offer promising performance for solid-state batteries due to their unique transport properties. Cost-effective synthesis strategies are crucial for their widespread adoption in next-generation energy storage.

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Last Updated: May 16, 2026

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

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

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-State Chemistry

Background:

  • Hydridoborates are a novel class of inorganic solid electrolytes.
  • Their lithium and sodium salts exhibit desirable properties like low density, mechanical softness, and electrochemical stability for solid-state batteries.

Purpose of the Study:

  • To review the structural chemistry, transport mechanisms, and device integration of hydridoborate solid electrolytes.
  • To outline key design principles and future research directions for hydridoborate electrolytes in solid-state batteries.

Main Methods:

  • Literature review of hydridoborate synthesis, properties, and applications.
  • Analysis of structure-property relationships governing ionic transport.
  • Summary of recent findings on oxidation-reduction mechanisms and battery integration.

Main Results:

  • Hydridoborates enable superionic transport via order-disorder transitions and anion dynamics.
  • Current synthesis methods are costly and complex, yielding mixtures.
  • Promising cost-effective routes involve NaBH4 precursors and mixed-anion electrolytes.

Conclusions:

  • Hydridoborate solid electrolytes hold significant potential for next-generation solid-state batteries.
  • Overcoming synthetic challenges is key to realizing their commercial viability.
  • Further research linking fundamental properties to device performance is essential.