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Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

41.8K
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. 
41.8K
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

21.2K
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.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
21.2K
Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

24.1K
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:
24.1K

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Updated: Aug 4, 2025

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

Published on: August 12, 2013

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リチウム金属と互換性のあるLaCl3ベースのリチウム超イオン導体

Yi-Chen Yin1,2,3, Jing-Tian Yang2, Jin-Da Luo2

  • 1Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China.

Nature
|April 5, 2023
PubMed
まとめ
この要約は機械生成です。

研究者らは,より安全で高性能なリチウム金属電池のための新しい塩化ランタンベースの固体電解質を開発しました. この高度な材料は リチウム金属との優れた安定性と互換性を示し バッテリー技術の以前の限界を克服しました

さらに関連する動画

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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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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関連する実験動画

Last Updated: Aug 4, 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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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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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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科学分野:

  • 材料科学
  • 電気化学
  • 固体化学

背景:

  • 無機超電導体は高いイオン伝導性と熱安定性を持っています.
  • リチウム金属アノドとの劣ったインターフェイス互換性は,固体リチウム金属バッテリーでの使用を妨げています.

研究 の 目的:

  • リチウム金属アノドのインターフェイス互換性を改善したLaCl3ベースのリチウム超イオン導体を開発する.
  • 新しい電解質のイオン伝導性と電気化学的安定性を調査する.

主な方法:

  • UCl3型のLaCl3の格子を作製し,空白を作り出した.
  • Li+伝導経路と電気化学的性質を調査した.
  • 製造されテストされたLi-Li対称電池と完全な固体電池.

主要な成果:

  • 最適化されたLi0.388Ta0.238La0.475Cl3電解質は,高いLi+伝導性 (30°Cで3.02 mS cm-1) と低い活性化エネルギー (0.197 eV) を表している.
  • Li金属との優れたインターフェイス互換性を実証し,グラデント受容層を形成しました.
  • Li-Li対称な電池で5000時間以上,完全な固体電池で100回以上安定したサイクルを達成しました.

結論:

  • LaCl3ベースの電解質は,安定した固体リチウム金属電池のための有望な解決策を提供します.
  • UCl3型構造とTaドーピングは3D Li+移行ネットワークを容易にする.
  • ランタニド金属塩化物は,固体電解質開発のさらなる進歩の可能性を示しています.