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Ionic Crystal Structures

Ionic Crystal Structures

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...

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Updated: Jan 17, 2026

Construction and Testing of Coin Cells of Lithium Ion Batteries

Construction and Testing of Coin Cells of Lithium Ion Batteries

Published on: August 2, 2012

用于离子电池的单晶与多晶阴极.

Geon-Tae Park¹, Hoon-Hee Ryu², Nam-Yung Park¹

¹Department of Energy Engineering, Hanyang University, Seoul 04763, South Korea.

Chemical reviews

|September 22, 2025

概括

单晶阴极材料为离子电池 (LIB) 与多晶阴极相比提供更高的结构稳定性,解决裂纹问题并实现更高的能量密度.

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Construction and Testing of Coin Cells of Lithium Ion Batteries

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Published on: August 2, 2012

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Published on: November 11, 2013

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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:

对高能量密度离子电池 (LIB) 的需求不断增加,推动了高含量的阴极材料的开发.
多晶 (PC) 阴极面临结构不稳定性和裂,限制性能.
单晶 (SC) 阴极因其增强的结构完整性而成为一个有希望的替代品.

研究的目的:

综合审查SC阴极的降解机制,合成挑战和电化学行为.
为了比较SC阴极与PC阴极的特性.
为设计耐用,高能LIB阴极材料提供见解.

主要方法:

文献综述专注于纳米到微观尺度的降解.
对SC和PC阴极的结构和运动性能进行比较分析.
检查合成策略和电化学性能.

主要成果:

SC阴极表现出固有的抗微粒间裂变的抵抗力,保持结构稳定性.
独特的结构和运动性质将SC与PC阴极区分开来.
了解这些差异是优化阴极材料设计的关键.

结论:

SC阴极材料为开发下一代LIBs提供了可行的策略,其耐用性和能量密度得到了提高.
基于SC特性的合理设计可以克服PC材料的局限性.
对SC阴极合成和降解的进一步研究对于推进电池技术至关重要.