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相关概念视频

Charging Conductors By Induction01:15

Charging Conductors By Induction

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The Earth is a good conductor of electricity, and it is so big that it can be considered an infinite source or sink of charges. It can easily exchange charges with any matter.
Generally, conductors like metals do not allow any excess charge to be present on them. Any excess charge added to metals easily flows away, for example, when a metal is placed on the Earth. This process is called earthing.
However, conductors can be charged by a process called induction. For example, consider charging a...
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Superconductor01:24

Superconductor

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A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
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Types Of Superconductors

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A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
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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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用于毫米厚的电池电极的超离子导体

Yuxiang Li1, Subin Song2, Hanseul Kim2

  • 1Research Center for All-Solid-State Battery, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan.

Science (New York, N.Y.)
|July 6, 2023
PubMed
概括

研究人员开发了一种新型高固体电解质, 这种材料克服了离子迁移障碍,使充电速度更快,并设计了新的电池.

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科学领域:

  • 材料科学
  • 电化学
  • 固态化学

背景情况:

  • 目前的离子电池受到液体电解质的限制,阻碍了性能和设计灵活性.
  • 建立具有高离子导电性的固体电解质的设计规则对于下一代电池至关重要.

研究的目的:

  • 通过利用高材料原理设计和合成具有增强离子导电性的新型固体电解质.
  • 调查这种新的固体电解质在实现先进的离子电池功能方面的潜力.

主要方法:

  • 使用高材料概念来增加已知的超离子导体的复杂性.
  • 合成了一种新的固体电解质相,并描述其结构和离子传输特性.
  • 在离子电池配置中评估固体电解质的性能,包括厚阴极的充电和放电.

主要成果:

  • 成功设计和合成了具有显著改善离子导电性的高固体电解质.
  • 证明了离子迁移障碍的消除,同时保持了超离子导电的结构框架.
  • 展示了固体电解质能够促进厚离子电池阴极的室温充电和放电.

结论:

  • 开发的高固体电解质为离子电池提供了有前途的替代液体电解质.
  • 这种进步有可能显著扩大当前电池技术的性能限制和配置可能性.
  • 这些发现为开发更安全,更高效,更多用途的储能解决方案铺平了道路.