基于 allium mongolicum regel 提取物的绿色接口优化策略,用于增强性Al-air电池性能
Junpeng Zhu1, Yutian Li1, Wenxu Liu1
1College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China.
Journal of colloid and interface science
|December 10, 2024
概括
一种新的绿色电解质添加剂,Allium Mongolicum Regel (AMR) 提取物,显著减少水性空气电池 (AAB) 中的阳极自我腐蚀. 这提高了电池容量和性能,为商业化铺平了道路.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
- 绿色化学 绿色化学
背景情况:
- 水性空气电池 (AABs) 在储能方面表现有前途.
- 阳极的自我腐蚀限制了AAB的性能和商业可行性.
研究的目的:
- 研究Allium Mongolicum Regel (AMR) 提取物作为绿色电解质添加剂的使用.
- 为了减轻阳极的自我腐蚀,并提高AAB性能.
主要方法:
- 电化学性能测试 (例如,特定容量).
- 现场光学显微镜和ATR-FTIR光谱学用于研究腐蚀抑制.
- 用X射线光电子光谱,量子化学计算和ab-initio分子动力学来阐明该机制.
主要成果:
- 抗抗氧化剂提取物实现了53.9%的腐蚀抑制效率.
- 具体容量从1096增加到1667mAhg-1随着AMR的增加.
- 观察到Al表面的AMR吸附,减缓了孔腐蚀.
结论:
- 在性AAB中,AMR提取物有效地抑制了Al阳极的自我腐蚀.
- 在AMR,4-HCAA和黄中的活性成分,在Al表面形成保护性O-Al-O键.
- 这种可持续的方法为改善用于储能应用的AAB提供了一个有希望的策略.
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