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相关实验视频

Updated: Jul 11, 2025

Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording

Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording

Published on: February 12, 2020

基于Cl终结的MXene墨水的分离器工程:通过高度稳定的双化物固体电解质间相增强Li+扩散动力学.

Baolin Zhang¹, Wenwu Zou¹, Zhijin Ju²

¹Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.

|November 6, 2023

概括

使用碳化物MXene墨水的工程分离器可以防止金属电池 (LMB) 中的树突. 这种新的方法提高了用于高能耗应用的离子扩散和电池寿命.

关键词:

有Cl结末的MXene.化-TEM可以使用.双化物SEI的双化物金属电池金属电池分离器分离器分离器分离器分离器

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相关实验视频

Last Updated: Jul 11, 2025

Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording

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Published on: February 12, 2020

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Published on: August 12, 2013

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
电池技术电池技术

背景情况:

金属电池 (LMB) 中的常规分离器无法调节Li+扩散,导致树突的形成并限制电池的性能.
开发先进的分离器对于实现高能量密度的LMB至关重要.

研究的目的:

设计和评估一个用Cl终结的碳化物MXene (PP@Ti3CNCl2) 涂覆的改性聚烯 (PP) 分离器,以改善Li+运输和树抑制.
在修改后的分离器上研究固体电解质间相 (SEI) 的形成和特征.

主要方法:

在聚烯分隔器上喷涂MXene墨水.
对金属半电池和全电池进行电化学测试.
射线光电子光谱学 (XPS) 深度分析.
低温传递电子显微镜 (Cryo-TEM). 低温传递电子显微镜.

主要成果:

在PP@Ti3CNCl2分离器表现出增强的电解质可湿性和减少Li+扩散障碍,由于性MXene.
一个梯度SEI层次结构与均分布的LiF和LiCl自发形成.
实现了高库伦比效率 (99.15%) 和延长寿命 (半细胞超过5500小时,全细胞超过3100个周期).

结论:

修改后的分离器有效地抑制了树的生长,并促进了Li+的透性.
这一战略为为下一代电池开发稳定和高性能金属阳极提供了可行的途径.