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相关概念视频

Acid Halides to Alcohols: LiAlH4 Reduction01:19

Acid Halides to Alcohols: LiAlH4 Reduction

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Acid halides are reduced to alcohols in the presence of a strong reducing agent like lithium aluminum hydride.
The mechanism proceeds in three steps. First, the nucleophilic hydride ion attacks the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs as a leaving group, generating an aldehyde. A second nucleophilic attack by the hydride yields an alkoxide ion, which, upon protonation, gives a primary alcohol as...
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Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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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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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
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
Electrolysis03:00

Electrolysis

25.9K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
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The Born-Haber Cycle02:44

The Born-Haber Cycle

21.6K
Lattice Energy 
21.6K

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相关实验视频

Updated: Jun 1, 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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使用化物固态电解质构建一个更好的全固态离子电池.

Chao Li1, Yaping Du1

  • 1Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China.

ACS nano
|January 21, 2025
PubMed
概括
此摘要是机器生成的。

使用化物固态电解质 (SSEs) 的全固态离子电池 (ASSLB) 提供了更好的安全性和能量密度. 本综述详细介绍了化物SSE,它们的合成以及未来智能电网的性能.

关键词:
激活能量是什么 激活能量是什么所有固态离子电池都是固态离子电池电化学稳定性窗口 电化学稳定性窗口电子导电性的电子导电性.化物固态电解质的固态电解质.离子导电性 离子导电性稀土是一种稀土.通过真空蒸发辅助合成.

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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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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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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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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:

  • 离子电池 (LIB) 是重要的储能设备,但在安全性和能量密度方面面临挑战.
  • 使用固态电解质 (SSEs) 的全固态离子电池 (ASSLB) 正成为一个有希望的替代品.

研究的目的:

  • 对ASSLBs进行化物固态电解质 (SSEs) 的审查和分类.
  • 根据素化学,合成和性能分析化物SSEs.

主要方法:

  • 化物SSE研究的系统审查.
  • 基于离子的分类.
  • 离子导电性,激活能量,电子导电性,界面稳定性和电化学窗口的比较.

主要成果:

  • 化物SSE显示出高室温离子导电性的潜力.
  • 总结了化物SSEs的各种合成路径和优化策略.
  • 不同化物SSE的性能指标被详细比较.

结论:

  • 化物SSE是推动固定能源存储和智能电网ASSLB的关键.
  • 需要进一步的研究来解决尚未解决的挑战,并为ASSLBs解开未来的机遇.