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相关概念视频

Preparation and Reactions of Sulfides02:26

Preparation and Reactions of Sulfides

4.7K
Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
4.7K
Formation of Complex Ions03:45

Formation of Complex Ions

23.4K
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...
23.4K
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
Metallic Solids02:37

Metallic Solids

18.3K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.3K
Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

56.8K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
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相关实验视频

Updated: Jun 9, 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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自制模板的3D硫化物基固体复合电解质用于固态金属电池.

Xiaolin Guo1, Yang Li1, Selim Halacoglu1

  • 1Mechanical Engineering Department, University of Louisville, Louisville, KY, 40292, USA.

Small (Weinheim an der Bergstrasse, Germany)
|October 31, 2024
PubMed
概括
此摘要是机器生成的。

研究人员为固态金属电池开发了3D固体复合电解质. 这些电解质提高了与金属的接口稳定性,使得具有增强循环稳定的高性能电池成为可能.

关键词:
离子导体的导体这是一个自动模板.金属电池 金属电池固体复合物电解质的电解质硫化物硫化物是什么

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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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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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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
  • 储能 储能 储能 储能 储能 储能

背景情况:

  • 可充电的固态金属电池 (SSMB) 提供更高的能量密度,并使用具有成本效益的材料.
  • 无机硫化物固体电解质 (SE) 对SSMB有前景,但其与反应性金属的接口兼容性不佳.
  • 解决电解质接口的电化学不稳定性对于高性能SSMB至关重要.

研究的目的:

  • 开发新的3D结构固体复合电解质 (SCE),以提高SSMB的接口稳定性.
  • 为了研究使用这些工程 SCE 的 SSMB 的电化学性能.
  • 为了证明这些SCEs与各种阴极材料的潜力.

主要方法:

  • 一个简单的方法来合成3D多孔Na3SbS4 (NSS) 作为一个自我模板框架.
  • 在NSS框架内整合相变聚合物以创建SCE.
  • 使用TiS2,FeS2和Na0.67Ni0.33Mn0.67O2 (NNMO) 阴极的SSMB的组装和电化学测试.

主要成果:

  • 与原始硫化物相比,3D结构的SCE显示出明显增强的对金属的界面稳定性.
  • 与3D SCE组装的SSMB显示出出色的电化学循环性能.
  • 在SSMB中使用开发的3D SCEs成功循环使用高压氧化物阴极 (NNMO).

结论:

  • 为SCEs提出了一种新的自我模板纳米结构设计.
  • 开发的3D SCE有效地缓解了SSMB中的接口问题.
  • 这项工作为推进高能固态金属电池铺平了道路.