对于高性能储能能源的氧化强化碳酸氧化异构件的二维协同界面定向
Thondaiman Pugalenthiyar1, Chellan Justin Raj2, Ramu Manikandan3
1Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jellanam-do 57922, Republic of Korea.
ACS applied materials & interfaces
|November 6, 2023
概括
氧化功能化碳酸 (CCH) 纳米结构提供增强的导电性和电活性位点,用于优质的能量存储. 这种新型材料在混合超级电容器中展示了高容量和稳定性,为电子设备提供动力.
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
- 纳米技术 纳米技术
背景情况:
- 具有出色的电化学动力学和储能稳定性的等级性碳酸 (CCH) 纳米结构尚未得到充分证实.
- 开发先进的电极材料对于高性能储能设备至关重要.
研究的目的:
- 通过使用氧化功能化的CCH,设计新的二维 (2D) 层间异构结构.
- 提高导电性和增加电活性位点,以改善储能应用中的氧化还原反应.
主要方法:
- 通过电极放置制造层次的2D CCH 电极.
- 在CCH上使用2D介层SnO进行表面增强,采用表面增强方法.
- 组装和测试一个SNO@CCH-8//AC混合超级电容器 (HSC).
主要成果:
- SnO@CCH-8电极在1 mA cm-2下达到720 mC cm-2 (515 F g-1) 的最大面积容量.
- 该HSC的特异电容为129 Fg-1 ,特异能为40.25 W h kg-1 ,特异功率为9000 W kg-1.
- 在硬币电池演示中,HSC在10,000个周期中表现出极好的电容保留 (94%),并为21个LED供电.
结论:
- SnO和CCH之间的协同效应为高性能储能提供了一个高效的电荷传输途径.
- 开发的SNO@CCH-8材料是先进的储能器件的有希望的候选材料.
- 在硬币电池中的成功演示突出了制造的混合超级电容器的实际应用性.
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