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相关概念视频

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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Electrolysis03:00

Electrolysis

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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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Molecular and Ionic Solids02:54

Molecular and Ionic Solids

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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...
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相关实验视频

Updated: Jun 13, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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在稀土基固体电解质的研究取得了进展,用于全固态电池.

Shanshan Song1, Fei He1, Qing Xia2

  • 1Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.

Small (Weinheim an der Bergstrasse, Germany)
|April 24, 2025
PubMed
概括

稀土元素增强固态电解质 (SSE) 用于全固态电池 (ASSB),改善离子导电性和稳定性. 本综述探讨了基于稀土的SSE用于先进的储能解决方案.

关键词:
所有固态电池都是固态电池.设计材料设计材料的设计.稀土元素 稀土元素 稀土元素固体电解质是一种固体电解质.

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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相关实验视频

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Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
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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
  • 储能 储能 储能 储能 储能 储能

背景情况:

  • 全固态电池 (ASSB) 和固态电解质 (SSE) 是传统离子电池的有希望的替代品.
  • 在SSE中加入稀土元素 (REEs) 显著提高了离子导电性,电化学稳定性和循环性能.
  • REEs独特的电子结构和离子半径是其在电解质中的有益性质的关键.

研究的目的:

  • 为ASSB提供基于稀土的固体电解质的全面审查.
  • 研究这些先进的SSE材料的特性,应用,修改策略和机制.
  • 为设计未来的SSE材料和提高ASSB性能提供见解.

主要方法:

  • 对稀土氧化物,硫化物,化物和复合聚合物固体电解质的文献综述.
  • 分析材料特性,包括离子导电性,电化学稳定性和机械强度.
  • 在ASSB中系统地探索性能增强解决方案和离子传输机制.

主要成果:

  • 与传统材料相比,基于稀土的SSE具有优越的离子导电性和电化学稳定性.
  • 多种基于稀土的SSE类型 (氧化物,硫化物,化物,复合聚合物) 显示出ASSB的显著潜力.
  • 了解REEs对离子传导和材料性能的影响对于性能优化至关重要.

结论:

  • 基于稀土的固体电解质对于开发高性能全固态电池至关重要.
  • 对改造方法和优化策略的进一步研究将释放这些材料的全部潜力.
  • 未来的发展前景指向先进的ASSB,其安全性和能源密度提高.