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为高功率和稳定的硫电池量身定制阴极-电解质接口

Mengting Liu¹, Ling-Jiao Hu¹, Zhao-Kun Guan¹

¹Center of Nanomaterials for Renewable Energy, State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China.

Nano-micro letters

|December 4, 2024

概括

硫电池看起来很有前途,但面临着接口挑战. 本研究详细介绍了优化阴极-电解质接口的策略,以提高先进能源存储的稳定性和性能.

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:

-硫 (Li-S) 电池由于低硫成本,高能量密度和资源丰富性而吸引储能.
实际应用受阻于诸如Li2S沉积,不稳定的CEI层和聚硫化物穿等阴极-电解质接口问题.

研究的目的:

综合审查Li-S电池阴极-电解质接口的挑战.
概述界面优化的策略,以提高电池性能和稳定性.

主要方法:

对界面降解机制的分析,包括Li2S沉积和聚硫化物穿.
关于为密集的CEI层形成电解质优化的讨论.
探索调节Li2S沉积的策略,并通过不同的途径抑制穿效应.

主要成果:

确定了阻碍Li-S电池性能的关键接口挑战.
建议的战略重点是电解质修饰和受控沉积.
强调了解固体-液体-固体和固体-固体路径的重要性.

结论:

优化阴极-电解质接口对于推进Li-S电池技术至关重要.
制定创建稳定接口的策略将加速采用Li-S电池.
对于强大的储能解决方案,需要对接口设计进行进一步的研究.

关键词:

阴极电解质接口接口硫电池是硫电池的一种.反应路径的反应路径.穿效应穿效应穿效应结构性增强是指结构性增强.

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