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通过3D打印辅助设计负波松比结构电极,实现冲击缓冲压缩电池

Yunlong Li¹, Xihai Ni¹, Shijun Zhu¹

¹Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, China.

Fundamental research

|January 30, 2026

概括

工程师开发了使用元材料电极的新型冲击缓冲电池. 这些先进的电池通过卓越的可压缩性和弹性提供了更高的安全性和耐用性,防止压缩过程中的损坏.

科学领域:

材料科学材料科学材料科学
储能储能储能储能储能储能
机械工程机械工程

背景情况:

可变形电池需要压缩和冲击缓冲能力,以提高安全性.
当前的可压缩电极在物理变形和应力产生方面存在局限性,导致电池组件膨胀.

研究的目的:

设计和开发负波桑比率 (NPR) 结构电极,以提高电池的安全性和性能.
通过防止包装膨胀,解决现有的可压缩电极的局限性.

主要方法:

利用定向结3D打印策略,创建以元材料为灵感的NPR结构电极.
嵌入宏观NPR结构和微观定向多孔结构以增强离子传输和机械性能.

主要成果:

电极显示出50%的可压缩变形,并且在50%的压缩50个循环后保留了它们的原始状态.
3D打印的铁酸盐阴极在100个循环中实现了高平均特异容量 (153 mAh/g),具有出色的速率能力.
组装完整的电池具有出色的压缩性和冲击缓冲性,防止包装膨胀.

结论:

采用NPR超材料结构的电极为开发下一代冲击缓冲,可压缩结构电池提供了通用平台.
这种创新设计显著提高了电池的安全性和耐用性,为先进的储能应用铺平了道路.

关键词:

通过3D打印打印3D打印.可压缩电池可以压缩的电池.冲击缓冲电池冲击缓冲电池的使用负的波桑比率的比率.结构电池结构电池结构电池

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