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工程纳米级界面溶解通过多组协同作用进行内外配置,用于实际的电池

Yeguang Zhang¹, Zichang Zhang¹, Haozhen Dou²

¹School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China.

Angewandte Chemie (International ed. in English)

|November 4, 2025

概括

一种新的生物分子添加剂策略精确地控制水性金属电池 (AZMB) 中的界面溶解结构,使得在低温和高深度放电下具有长寿命的性能.

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
电池技术电池技术

背景情况:

在电双层 (EDL) 中设计稳定的接口对于水性金属电池 (AZMB) 至关重要.
控制电极-电解质接口上的溶解结构对AZMB性能构成重大挑战.
现有的策略往往难以平衡稳定性,离子运输和运行条件,如低温和高深度放电 (DOD).

研究的目的:

开发一个合理的设计策略,用于AZMBs的界面溶解结构.
在苛刻的条件下增强AZMB的长期稳定性和性能.
研究多功能生物分子添加剂在调节阳极接口中的作用.

主要方法:

采用多组协同战略,使用微量多功能生物分子添加剂.
结合使用现场实验技术和理论模拟.
分析了特定溶解的形成 (OHL中的Zn2+,添加剂参与和IHL中的H2O/离子不足).

主要成果:

实现了一种协同作用的有机-无机混合接口,抑制进化并加速溶解.
证明了Helmholtz外层 (OHL) 中带正电荷的Zn2+溶解的形成,以及H2O/无离子外在Helmholtz内层 (IHL) 中.
阳极表现出高库伦比效率 (99.65%),长寿命 (>6500小时),在-20°C和85.4%的DOD下稳定运行.

结论:

拟议的生物分子添加剂策略有效调节纳米级的界面溶解结构.
这种方法导致AZMB性能显著提高,包括增强稳定性,离子传输和在具有挑战性的条件下寿命.
在苛刻的条件下,证明了高容量的ZnDIGOVO2电池和稳定的袋式电池的实际可行性.

关键词:

水性离子电池的水性离子电池双重电气层是双重的电气层.接口溶解结构的介面结构.分子动力学模拟模型多功能接口多功能接口

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