提供者-接受者分子架构涉及卡巴醇/皮拉/氨酸单元,用于高效的超级电容应用
Sumit D Ambore1,2, Chepuri R K Rao1,2, Sidhanath V Bhosale1,2
1Polymers and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, Telangana, India. bhosale@iict.res.in.
概括
为了超级电容应用,合成了一种新的捐助-接受物质. 这种材料表现出高的特定电容和能量密度,显示出储能装置的巨大潜力.
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:
- 超级电容器对于储能至关重要.
- 开发先进的电极材料是提高超级电容器性能的关键.
研究的目的:
- 为超级电容应用合成一种新型的供体-接受体材料.
- 为了评估合成材料的电化学性能.
主要方法:
- 合成一个由3,6-di-tert-butyl-9H-carbazoles (DTCs) 和化pyrazine (Pyz) -anthraquinone (AQ) 组成的供体-接受体化合物.
- 一个DTCz-Pyz-AQ/石墨 (GF) 电极的制造.
- 使用三电极和对称的两电极超级电容器电池配置进行电化学表征.
主要成果:
- DTCz-Pyz-AQ/GF电极在0.5 A g-1.1下实现了304.37 F g-1 (三电极) 和106.0 F g-1 (两电极) 的特定电容.
- 超级电容器表现出良好的循环稳定性.
- 最高的能量密度达到15.94 Wh kg-1 在功率密度为899.71 W kg-1.1 的情况下.
结论:
- 合成的DTCz-Pyz-AQ/GF材料显示了储能应用的巨大潜力.
- 这种材料为开发高性能超级电容器提供了一个有前途的途径.
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