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Related Concept Videos

Complexation Equilibria: Factors Influencing Stability of Complexes01:09

Complexation Equilibria: Factors Influencing Stability of Complexes

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In complexation reactions, metal cations are the electron pair acceptors, and the ligands are the electron pair donors. The stability of the metal complexes depends primarily on the complexing ability of the central metal ion and the nature of the ligands. Generally, the complexing ability of the metal ion depends on the size and charge of the ion. As the metal ion size increases, the stability of the metal complexes decreases, provided that the valency of the metal ion and the ligands remain...
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Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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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. 
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Formation of Complex Ions03:45

Formation of Complex Ions

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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
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Metal-Ligand Bonds

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The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
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Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

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An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
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Updated: Jul 31, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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Hydrogen-bonded Complex-based Frameworks for Stable Lithium Storage.

Jialong Jiang1, Hongwen Liu1, Zhonghang Chen1

  • 1Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education) and Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, 300071, Tianjin, China.

Chemistry, an Asian Journal
|May 8, 2023
PubMed
Summary

Two novel hydrogen-bonded frameworks show excellent lithium storage. These materials offer enhanced structural stability and conductivity for better battery performance.

Keywords:
Dimensional designHydrogen-bonded frameworkLithium-ion batteryMetal-organic complex

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-state Chemistry

Background:

  • Metal-complex-based materials are promising for lithium storage due to tunable structures and ion transport pathways.
  • Current limitations include poor structural stability and low electrical conductivity, hindering cycling and rate performance.

Purpose of the Study:

  • To develop novel hydrogen-bonded complex-based frameworks for improved lithium storage.
  • To investigate the structural stability and lithium transport mechanisms in these new materials.

Main Methods:

  • Synthesis of two hydrogen-bonded complex-based framework materials.
  • Electrochemical testing for lithium storage capability (cycling and rate performance).
  • Kinetic analysis and Density Functional Theory (DFT) calculations to understand performance origins.

Main Results:

  • The synthesized frameworks exhibit excellent lithium storage capability.
  • Multiple hydrogen bonds contribute to stable three-dimensional structures resistant to electrolyte degradation.
  • Kinetic analysis and DFT calculations elucidated the reasons for the high performance.

Conclusions:

  • Hydrogen-bonded complex-based frameworks offer a viable strategy for high-performance lithium storage.
  • Structural stability and efficient lithium transport are key factors for advanced battery materials.