释放电色异构酸的全部潜力,用于光学活性高性能非对称的近固态超级电容器件
Loujain G Ghanem1, Manar M Taha1, Basamat S Shaheen1
1Energy Materials Laboratory (EML), School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt.
ACS applied materials & interfaces
|September 29, 2023
概括
研究人员开发了一种新的Ni-Co酸纳米板块系统,用于先进的能量存储. 这种混合材料提供了高能量和功率密度,为下一代超级电池设备铺平了道路.
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:
- 开发结合电容和电池特性的混合系统对于高能量和功率密度设备至关重要.
- 目前的系统在开发和性能方面面临重大障碍.
研究的目的:
- 设计和合成一个基于纳米血小板的Ni-Co酸盐 (Ni 3- Co ) 系统.
- 评估其对高性能储能应用的潜力.
主要方法:
- 在环境条件下简单的共同降水方法.
- 纳米血板状物质的特性,包括电荷储存,氧化还原活性和离子/电子动力学.
- 使用Ni-Co酸盐和活性炭制造和测试混合超级电容器设备.
主要成果:
- 与单个Ni或Co酸盐相比,Ni-Co酸盐纳米板显示出更高的重力特异性能力 (966 Cg-1在1Ag-1).
- 观察到光活性存储性能提高,光电流密度增加9.7%.
- 混合型超级电容器实现了高能量 (77.7 Wh kg-1) 和功率密度 (15998.54 W kg-1),具有出色的循环稳定性 (6000 个循环) 和100% 库伦比效率.
- 两个组装在一起的设备成功地为一个LED供电180秒.
结论:
- 开发的Ni-Co酸纳米板块系统提供了多组件协同作用和优良的电化学性能.
- 这种简单的合成方法可以制造出高性能超级电池装置.
- 这项研究为设计用于储能的先进电活性材料提供了有前途的途径.
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