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相关概念视频

Molecular and Ionic Solids02:54

Molecular and Ionic Solids

16.9K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
16.9K
Ionic Crystal Structures02:42

Ionic Crystal Structures

14.1K
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...
14.1K
Ionic Strength: Effects on Chemical Equilibria01:19

Ionic Strength: Effects on Chemical Equilibria

1.4K
The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary...
1.4K
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

41.2K
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. 
41.2K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

62.6K
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.
62.6K
Formation of Complex Ions03:45

Formation of Complex Ions

23.3K
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...
23.3K

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相关实验视频

Updated: Jun 6, 2025

Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles
08:43

Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles

Published on: October 27, 2018

17.9K

冷烧化物-氧化物复合物固态电解质,具有增强的离子导电性.

Bo Nie1, Ta-Wei Wang1, Seok Woo Lee1

  • 1The Harold and Inge Marcus Department of Industrial and Manufacturing Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.

ACS applied materials & interfaces
|November 26, 2024
PubMed
概括
此摘要是机器生成的。

研究人员通过使用低温烧结工艺将氧化物和化物材料结合起来,开发出一种新的复合物固态电解质. 这一突破提高了下一代全固态电池的安全性和性能.

关键词:
在LATPP上,你会发现.在冷烧结过程中进行冷烧结.这是一个复合材料.化是一种化物.固态电解质 固态电解质

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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

Published on: March 24, 2018

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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

Published on: December 20, 2016

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相关实验视频

Last Updated: Jun 6, 2025

Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles
08:43

Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles

Published on: October 27, 2018

17.9K
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

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

Published on: March 24, 2018

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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

Published on: December 20, 2016

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 储能 储能 储能 储能 储能 储能

背景情况:

  • 全固态电池 (ASSB) 使用固态电解质 (SSE) 提供高能量密度和安全性.
  • 像LATP这样的氧化物SSE具有高离子导电性,但机械性能差,需要高温加工.
  • 化物SSE提供更好的可变形性,但可以在复合结构中克服的局限性.

研究的目的:

  • 开发一种新的化物-氧化物陶复合电解质,以提高ASSB性能.
  • 克服氧化物SSEs的处理限制和ASSB的接口问题.
  • 结合氧化物和化物SSEs的好处,提高离子导电性和稳定性.

主要方法:

  • 在150°C使用过渡性液体辅助冷烧结工艺.
  • Li1.3Al0.3Ti1.7(PO4) 3 (LATP) 氧化物和Li3InCl6化物被整合到一个复合SSE中.
  • 在各种温度下使用对称的Li RadiusSSE RadiusLi电池评估了电化学性能.

主要成果:

  • 协的LATP-Li3InCl6复合物SSE在室温下达到1.4 × 10-4 S cm-1的离子导电性.
  • 复合结构显著降低了接口阻力,改善了离子传输.
  • 稳定的剥离和涂层在55°C下观察到超过1600小时,在100°C下观察到1200小时.

结论:

  • 这项研究展示了第一个化氧化陶复合材料SSE用于高性能ASSB.
  • 低温加工方法成功地整合了氧化物和化物材料,提高了电池的安全性和效率.
  • 开发的复合电解质为实用,下一代储能解决方案提供了一个有前途的途径.