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Updated: Aug 30, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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固体溶液における強制的な乱れ Li3P-Li2S:リチウム金属アノドのための完全に還元された固体電解質の新種

Conrad Szczuka1,2,3, Bora Karasulu1,4, Matthias F Groh1

  • 1Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.

Journal of the American Chemical Society
|August 30, 2022
PubMed
まとめ

研究者は新しい Li-P-S 固体電解質を開発し,より安全で高性能な固体電池を開発しました. この材料はリチウム金属アノドで高いイオン伝導性と安定性を提供します.

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Ionic Bonding and Electron Transfer

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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All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
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Ionic Crystal Structures

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.
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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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