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相关概念视频

Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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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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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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分子工程向利金属电池的强大的固体电解质介相方向发展.

Yu Sun1, Jingchang Li1, Sheng Xu1

  • 1College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials, National Laboratory of Solid-State Microstructures, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210093, China.

Advanced materials (Deerfield Beach, Fla.)
|December 11, 2023
PubMed
概括
此摘要是机器生成的。

有机分子被设计成可以为高能金属电池 (LMB) 创建稳定的固体电解质界面 (SEI). 这一审查指导了SEI的设计,以提高LMB的绩效和可持续性.

关键词:
金属电池 金属电池有机分子有机分子分子.一个聚合物聚合物.固体电解质相间阶段

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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
  • 储能 储能 储能 储能 储能 储能

背景情况:

  • 金属电池 (LMB) 对高能量密度应用和全球可持续性至关重要.
  • 挑战包括树岩的形成,界面不稳定性和固体电解质间相 (SEI) 降解.
  • 有机分子为SEI工程提供了一个有前途的战略.

研究的目的:

  • 综合审查使用有机分子在为LMBs构建目标SEI时的使用情况.
  • 为设计弹性,富含和含有有氧硫的SEI提供见解.
  • 为有机分子衍生SEI提出设计原则.

主要方法:

  • 对LMB中基于有机分子的SEI形成现有文献的审查.
  • 分析各种有机分子:聚合物,化合物和有机硫化合物.
  • 深入的案例研究说明了SEI的分子设计策略.

主要成果:

  • 有机分子可以有效地设计SEI属性,缓解树突的生长并改善界面稳定性.
  • 特定的分子设计产生弹性,富含和含有有氧硫的SEI.
  • 阐明了有机分子衍生的SEI的演变和设计原则.

结论:

  • 使用有机化合物的SEI的分子设计是推进LMB技术的可行策略.
  • 拟议的设计准则可以帮助研究人员开发下一代LMB.
  • 这一审查鼓励进一步研究用于可持续储能的有机分子衍生的SEI.