含有N的碳材料的双极超容性能,来自基于共价酸的框架
Arijit Maity1, Marvin Siebels2, Anupam Jana1
1Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata, 700 032, India.
ChemSusChem
|September 4, 2024
概括
基于的功能化共价三基框架 (CTF) 显示出作为超级电容器的先进电极材料的前景. 这些CTF表现出高容量和出色的循环稳定性,使它们成为储能应用的理想选择.
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
- 储能 储能 储能 储能 储能 储能
背景情况:
- 由于可调节的特性,对基于共价三的框架 (CTF) 进行了能源存储的探索.
- 功能化可以提高电极材料的电化学性能.
研究的目的:
- 合成功能化的CTF用于超级电容器应用.
- 评估这些新型CTF材料的电化学性能和稳定性.
主要方法:
- 通过离子热聚合合成CTF-Py-600和CTF-Py-700使用2,6-迪亚诺皮里丁单体.
- 描述BET表面积,毛孔大小分布和含量.
- 超级电容器设备的电化学测试通过不同的潜在窗口.
主要成果:
- CTF-Py-700实现了1999 m2/g的高BET表面积和14%的含量.
- CTF-Py-700在1A/g下显示出优异的特定电容:435F/g (负窗口) 和306F/g (正窗口) 在1A/g下.
- 在15,000个循环后,没有显著的电容降解的特殊循环稳定性.
结论:
- 功能化的CTF是超级电容器的高效电极材料.
- 在CTF-Py-700中,高表面积,含量和微孔性的协同效应推动了其性能.
- 这些CTF代表了先进的电化学储能解决方案的有希望的材料类.
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