相关实验视频
Updated: Sep 9, 2025

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Zinc-Sponge Battery Electrodes that Suppress Dendrites
Published on: September 29, 2020
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通过稳定阳极在化物丰富的电解质中,实现了强大的长寿命流电池
1Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, Jiangsu, 210096, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|August 28, 2025
概括
葡萄糖胺硫酸盐添加剂通过稳定阳极来增强-流电池 (ZIFB),使电网级储能效率高达500个循环.
科学领域:
- 电化学
- 材料科学
- 能量储存
背景情况:
- 电网规模的储能需要安全,低成本的解决方案,如电池 (ZIFB).
- 实践中ZIFB的应用受到固体沉和树脂的生长所限制.
- 化物丰富的电解质解决了问题,但阳极不稳定性仍然存在.
研究的目的:
- 为ZIFB阳极不稳定性开发一个整体解决方案.
- 提高-流电池的耐用性和实用性.
主要方法:
- 将葡萄糖胺硫酸盐 (GS) 作为一种富含化物电解质的双重功能添加剂.
- 研究GS对Zn2+溶解结构和阳极表面吸附的影响.
- 使用零余阳极和阳解体测试ZIFB性能.
主要成果:
- 通过GS重新配置Zn2+溶解,加速沉积动力学.
- 在阳极上,GS形成了贫水层,抑制了侧面反应,促进了均的Zn (002) 沉积.
- 该ZIFB在40 mA cm-2和30 mAh cm-2下进行了超过500个循环,累计层容量为15 Ah cm-2,库伦比效率为99.6%,能量效率为81.9%.
结论:
- 葡萄糖胺硫酸盐有效地稳定ZIFB中的阳极.
- 这种电解质工程策略显著提高了ZIFB的耐用性和性能.
- 这些发现为实用的高能流电池铺平了道路.
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