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Related Concept Videos

Alkyl Halides02:45

Alkyl Halides

19.5K
Structural Properties
Alkyl halides are halogen-substituted alkanes wherein one or more hydrogen atoms of an alkane is replaced by a halogen atom such as fluorine, chlorine, bromine, or iodine. The carbon atom in an alkyl halide is bonded to the halogen atom, which is sp3-hybridized and exhibits a tetrahedral shape.
Unlike alkyl halides, compounds in which a halogen atom is bonded to an sp2 -hybridized carbon atom of a carbon-carbon double bond (C=C) are called vinyl halides. Whereas aryl...
19.5K
Ionic Crystal Structures02:42

Ionic Crystal Structures

16.8K
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...
16.8K
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

48.6K
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. 
48.6K
Ion Exchange01:17

Ion Exchange

1.1K
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
1.1K
Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

71.0K
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.
71.0K
Halogens03:01

Halogens

23.3K
Group 17 elements, known as halogens, are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine a solid. Astatine is a highly unstable radioactive element, so currently, most of its properties are unknown due to its short half-life. Tennessine is a synthetic element also predicted to be in this group. 
23.3K

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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

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Ultrahigh Ionic Conductivity in Halide Electrolytes Enabled by Anion Framework Flexibility Engineering.

Rui Li1,2,3, Shenhao Wen1,2, Kaiqi Xu3,4

  • 1Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, Guangdong, P. R. China.

Journal of the American Chemical Society
|January 12, 2026
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Summary
This summary is machine-generated.

Researchers enhanced chloride solid electrolytes for better all-solid-state batteries by increasing anion framework flexibility. This strategy boosts ionic conductivity and improves battery performance, paving the way for advanced energy storage solutions.

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-State Chemistry

Background:

  • Chloride-based solid electrolytes offer stability for all-solid-state batteries.
  • Limited ionic conductivity in chlorides hinders their widespread application.
  • Restricted ion transport is often caused by close-packed anion frameworks.

Purpose of the Study:

  • To enhance anion framework flexibility in chloride electrolytes.
  • To improve ionic conductivity for fast ion diffusion.
  • To develop high-performance solid-state batteries.

Main Methods:

  • Incorporating high-valent, electronegative cations to lower anion charge.
  • Reducing lithium content to modify the framework.
  • Utilizing computational modeling to understand ion transport mechanisms.
  • Experimental validation of tailored chloride electrolytes.

Main Results:

  • Achieved ionic conductivities up to 10.3 mS cm-1 at room temperature.
  • Demonstrated enhanced anion framework flexibility with intensified libration and rotation.
  • Solid-state batteries showed outstanding rate capacity and cycling stability (82.5% capacity after 20,000 cycles at 4C).

Conclusions:

  • Lowering anion charge and increasing framework flexibility is an effective strategy for designing fast ion conductors.
  • The study provides new insights into ion transport in chloride electrolytes.
  • Developed chloride electrolytes offer a promising pathway for next-generation all-solid-state batteries.