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具有双重储能机制的超分子聚合物用于高性能超级电容器

Jingyuan Zhao¹, Xu Liu¹, Chunfang Zhang¹

¹College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei University, Baoding 071002, China.

Journal of colloid and interface science

|December 28, 2023

概括

我们开发了具有双重能量存储机制的超分子聚合物,用于高性能超级电容器. 在对称和混合超级电容器设备中,MWCNT-APP-Fe材料表现出优越的特异性和长期稳定性.

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
纳米技术纳米技术

背景情况:

开发先进的电极材料对于高性能储能设备至关重要.
高分子聚合物为电化学应用提供可调节的特性.
双重储能机制可以提高超级电容器的性能.

研究的目的:

准备超分子聚合物 (MWCNT-APP-s) 用于超级电容电极的双重能量存储机制.
研究MWCNT-APP-Fe作为潜在的电极材料的电化学特性.
为了评估装配MWCNT-APP-Fe.Fe的超级电容器的性能.

主要方法:

过渡金属离子与小分子化剂 (APP) 和功能化碳纳米管的协调.
使用MWCNT-APP-Fe电极制造对称和水性Zn2+混合超级电容器.
电化学表征包括特定容量,周期稳定性和库伦比效率测量.

主要成果:

MWCNT-APP-Fe具有双重储能机制,结合了伪电容和电双层电容.
对称超级电容器在1mVs-1时达到421Fg-1的特定容量,在1万个循环后保持94.8%.
水性Zn2+混合超级电容器在0.5Ag-1下提供了191mAhg-1的容量,在2000个循环后保持92.4%.

结论:

作为超级电容器的电极材料,MWCNT-APP-Fe表现出卓越的电化学性能.
双重储能机制是实现高特异性容量和稳定的关键.
在高性能储能系统中,MWCNT-APP-Fe具有很大的应用潜力.

关键词:

复合材料是一种复合材料.双重活动站点的双重活动站点.这是一种超分子聚合物.离子混合电容器的电容器

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