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Related Concept Videos

Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

63.2K
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.
63.2K
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

41.7K
Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
41.7K
Ionic Crystal Structures02:42

Ionic Crystal Structures

14.4K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
14.4K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

63.3K
Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
63.3K
Electrolytes: van't Hoff Factor03:08

Electrolytes: van't Hoff Factor

33.2K
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...
33.2K
Ionic Strength: Overview01:12

Ionic Strength: Overview

1.5K
The ionic strength of a solution is a quantitative way of expressing the total electrolyte concentration of a solution. This concept was first introduced in 1921 by two American physical chemists, Gilbert N. Lewis and Merle Randall, while describing the activity coefficient of strong electrolytes. During the calculation of ionic strength (I or μ), all the cations and anions are considered. However, the concentration (c) of an ion with a greater charge number (z) has a greater contribution...
1.5K

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Updated: Jul 14, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

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The Universal Super Cation-Conductivity in Multiple-cation Mixed Chloride Solid-State Electrolytes.

Xiaona Li1, Yang Xu2,3, Changtai Zhao2

  • 1Eastern Institute for Advanced Study, Eastern Institute of Technology, Ningbo, Zhejiang 315200, P. R. China.

Angewandte Chemie (International Ed. in English)
|October 6, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed new solid-state electrolytes (SSEs) using a multiple-cation mixed strategy. These UCl3-type SSEs exhibit high ionic conductivity and enable stable all-solid-state lithium batteries (ASSLBs) with excellent performance.

Keywords:
All-Solid-State BatteryHalide Solid ElectrolyteMultiple CationSolid-State ElectrolyteUCl3 Structure

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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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Dynamic Electrochemical Measurement of Chloride Ions
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Dynamic Electrochemical Measurement of Chloride Ions

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Dynamic Electrochemical Measurement of Chloride Ions
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Dynamic Electrochemical Measurement of Chloride Ions

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-State Chemistry

Background:

  • All-solid-state lithium batteries (ASSLBs) are promising for next-generation energy storage.
  • Advanced solid-state electrolytes (SSEs) are crucial for ASSLB performance.

Purpose of the Study:

  • To develop novel UCl3-type solid-state electrolytes (SSEs) using a cost-effective host and multiple-cation mixed strategy.
  • To investigate the ionic conductivity and compatibility of these SSEs with high-voltage cathodes for ASSLBs.

Main Methods:

  • Synthesis of UCl3-type SSEs using LaCl3 and CeCl3 as host lattices.
  • Incorporation of multiple metal cations to induce structural disorder and enhance ionic transport.
  • Electrochemical characterization including ionic conductivity measurements and cycling stability tests in ASSLB prototypes.

Main Results:

  • Achieved high room-temperature ionic conductivities exceeding 10-3 S cm-1.
  • Demonstrated good compatibility with high-voltage oxide cathodes.
  • Developed a stable ASSLB prototype with over 3000 cycles and high reversibility at -30°C.
  • Observed fast multiple ionic conductions (Li+, Na+, K+, Cu+, Ag+) due to hexagonal channels and amorphous phases.

Conclusions:

  • The novel UCl3-type SSEs offer a promising pathway for developing high-performance ASSLBs.
  • The multiple-cation mixed strategy effectively enhances ionic conductivity and battery stability.
  • Further research into mixed-cation chlorides could lead to advanced halide SSEs for high-energy-density ASSLBs.