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高性能超级电容器与五秒激光纳米结构电流采集器

Oleksandr Kuznetsov^1,2, Fedir Ivashchyshyn², Andriy Lotnyk³

¹"NoviNano" Lab LLC, Pasternaka, 5, 79015 Lviv, Ukraine.

ACS applied engineering materials

|December 4, 2025

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激光诱导周期性表面结构 (LIPSS) 显著降低了90%的超级电容器界面电阻. 这种方法提高了储能设备的性能和耐用性,无需使用额外的材料,简化了扩展.

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
表面工程是什么?表面工程是什么?

背景情况:

超级电容器中电流收集器和活性材料之间的界面电阻会导致能量损失和功率降低.
粘合性差导致设备在运行过程中降解.

研究的目的:

开发一种方法来降低超级电容器的界面电阻.
提高超级电容器的电化学性能和运行稳定性.

主要方法:

激光诱导周期性表面结构 (LIPSS) 在电流采集器上的制造,使用气环境中的 femtosecond激光处理.
超级电容器的电化学特征与经过处理和未经处理的收集器.

主要成果:

在激光处理后,电荷转移电阻降低了90%.
由于LIPSS形成,接触面积增加和表面导电性/稳定性得到改善.
增强活性材料对电流收集器的附着性,提高机械稳定性.

结论:

激光诱导周期性表面结构 (LIPSS) 有效地降低了界面阻力,并提高了超级电容器的性能.
该方法提供了一个可扩展的,无试剂的方法来改进储能设备.

关键词:

嘴唇的嘴唇的目前的收藏家是当前的收藏家.电极是电极的电极,它们是电极.五秒激光激光器的使用方法超级电容器的超级电容器是什么

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这种技术有望提高各种超级电容器类型的特定功率.