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相关概念视频

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
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

17.0K
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...
17.0K
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

41.3K
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. 
41.3K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

62.7K
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.
62.7K
Batteries and Fuel Cells03:12

Batteries and Fuel Cells

27.1K
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...
27.1K
Acid Halides to Amides: Aminolysis01:07

Acid Halides to Amides: Aminolysis

2.7K
Aminolysis is a nucleophilic acyl substitution reaction, where ammonia or amines act as nucleophiles to give the substitution product. Acid halides react with ammonia, primary amines, and secondary amines to yield primary, secondary, and tertiary amides, respectively.
In the first step of the aminolysis mechanism, the amine attacks the carbonyl carbon of the acyl chloride to form a tetrahedral intermediate. In the second step, the carbonyl group is re-formed with the elimination of a chloride...
2.7K

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相关实验视频

Updated: Jun 10, 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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新型无形化-化固体电解质,可提高全固态电池的性能.

Bolong Hong1,2,3, Lei Gao4,5, Pengfei Nan6

  • 1Shenzhen Key Laboratory of Solid-State Batteries, Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Guangdong-Hong Kong-Macao Joint Laboratory for Photonic Thermal-Electrical Energy Materials and Devices, Institute of Major Scientific Facilities for New Materials, Southern University of Science and Technology, 518055, Shenzhen, P. R. China.

Angewandte Chemie (International ed. in English)
|October 11, 2024
PubMed
概括
此摘要是机器生成的。

研究人员开发了全固态电池 (ASSB) 的新型无形化物化物固体电解质 (SE). 这些材料具有高离子导电性和有前途的性能,推进下一代储能解决方案.

关键词:
所有固态电池都是固态电池.没有形状的无形.固体电解质是一种固体电解质.

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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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相关实验视频

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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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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
  • 固态化学 固态化学

背景情况:

  • 全固态电池 (ASSB) 对于下一代能源存储至关重要.
  • 具有双离子组成的无形固体电解质 (SE) 提供了高性能的潜力.
  • 在SE中实现高离子导电性和电极兼容性仍然是一个关键的挑战.

研究的目的:

  • 发现和描述一种新的无形化化固体电解质家族.
  • 评估这些新型SE在全固态电池中的性能.
  • 了解这些材料的结构和离子导电性之间的关系.

主要方法:

  • 无形Li3xMCl_yN_x (M=Ta,La) 固体电解质的合成和表征.
  • 粉末X射线衍射 (PXRD) 用于结构分析.
  • 低温传递电子显微镜 (cryo-TEM) 和原子对分布函数 (PDF) 分析用于局部结构研究.
  • 使用开发的SEs,对ASSB进行电化学测试.

主要成果:

  • 一个新的无形化物化物SEs家族,Li3xMCl_yN_x,已成功合成.
  • 在30°C下达到7.34mS/cm的离子导电率.
  • 基于无形Li3xTaCl5N_x的ASSB显示出良好的速率能力,高压稳定性和低温性能.

结论:

  • 无形化化SE为高性能ASSB提供了一个有前途的材料类别.
  • 发现的材料为更安全,更高效的储能提供了可行的途径.
  • 对优化这些SE的进一步研究可以在各种电池应用中释放它们的全部潜力.