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相关概念视频

Intermolecular Forces03:13

Intermolecular Forces

Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility02:34

Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility

Intermolecular forces are attractive forces that exist between molecules. They dictate several bulk properties, such as melting points, boiling points, and solubilities (miscibilities) of substances. Molar mass, molecular shape, and polarity affect the strength of different intermolecular forces, which influence the magnitude of physical properties across a family of molecules.
Temporary attractive forces like dispersion are present in all molecules, whether they are polar or nonpolar. They...
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

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...
Intermolecular Forces and Physical Properties02:56

Intermolecular Forces and Physical Properties

Two Components: Liquid–Liquid Systems01:27

Two Components: Liquid–Liquid Systems

A pressure-composition phase diagram explicitly describes the behavior of an ideal solution of two volatile liquids under varying pressures and compositions. A pressure-composition diagram has two main curves. The bubble point curve represents the plot of pressure versus liquid mole fraction. It indicates the pressure at which the first bubble of vapor forms from the liquid phase as the system pressure decreases.The dew point curve is the pressure versus vapor mole fraction. It indicates the...
Classification and Mechanical Properties of Synthetic Polymers01:28

Classification and Mechanical Properties of Synthetic Polymers

Synthetic polymers are classified as elastomers, fibers, or plastics based on their crystallinity. Crystallinity, the degree of long-range order in the solid state, influences the mechanical properties (stretching or contracting) of elastomers. Elastomers are flexible polymers that can expand or contract easily upon the application of an external force. They have numerous crosslinks that pull them back into their original shape when stress is removed. Silicones, for instance, are highly elastic...

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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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构造型多离子液体) 复合材料具有空间可编程的机械性能和混合导电性.

EunBi Oh1, Alexander Q Kane1, Ryan L Truby1,2,3

  • 1Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States.

ACS applied materials & interfaces
|February 14, 2024
PubMed
概括

研究人员开发了一种新的3D打印方法,用于从聚合离子液体 (pIL) 制造复杂的结构电解质. 这种技术可以在轻量级,架构材料中实现先进的功能,例如下一代设备的自我传感.

关键词:
通过3D打印打印3D打印.建筑材料是一种建筑材料.聚离子液体) 是一种多离子液体.传感器 传感器 传感器结构电解质是结构电解质.

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科学领域:

  • 材料科学与工程 材料科学与工程
  • 电化学 电化学 电化学
  • 增材制造 增材制造 增材制造

背景情况:

  • 结构性电解质,特别是那些基于聚合离子液体 (pILs) 的电解质,与液体电解质相比,提供更好的电化学窗口,热稳定性和非挥发性.
  • 包括3D打印在内的基于pIL的结构电解质的现有制造方法在实现复杂形状和精确控制机械性能和导电性方面存在局限性.

研究的目的:

  • 通过使用嵌入式3D (EMB3D) 打印引入一种用于制造建筑聚合离子液体复合结构电解质的新方法.
  • 为了证明创造轻量级,独立的格子,具有可调节的功能和自我传感特性的能力.

主要方法:

  • 开发一种模块化设计,用于制备离子液体 (IL) 单体复合墨水.
  • 利用嵌入式3D (EMB3D) 打印来制造稀疏,轻量级,独立的PIL复合格子.
  • 墨水和打印格子的气质和机械性能的表征;在循环压缩过程中展示自我感应能力.

主要成果:

  • 成功制造复杂的,架构的pIL复合结构电解质,具有受控的机械性能和导电性.
  • 展示了印刷电解质的自我传感能力,显示对机械刺激的反应能力.
  • 通过异质架构和混合离子-电子导电墨水组合,实现了空间编程的自我传感.

结论:

  • EMB3D打印方法为先进的结构电解质提供了一种多功能,自由形式的制造方法.
  • 这种技术使得复杂的3D形状能够产生可编程的3D形状,具有适用于各种应用的异构性质.
  • 潜在的应用包括下一代传感器,软机器人,生物电子和能量存储设备.