灵活和可扭曲的ZnMn2O4-用于可穿戴电子产品的电沉积超级电容器
Shalu Rani1,2, Gaurav Khandelwal2, Abhinav Tandon3
1Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand 826004, India.
ACS applied materials & interfaces
|June 25, 2025
概括
研究人员开发了柔性纤维超级电容器 (F-SCs),使用碳线上的电沉积氧化物纳米结构. 这些耐用的F-SC为可穿戴电子产品提供了出色的能量存储.
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:
- 对灵活电子产品日益增长的需求需要先进的电源.
- 纤维形超级电容器 (F-SCs) 提供可调整的大小和形状的适应性.
- 需要针对可穿戴设备提供强大高效的储能解决方案.
研究的目的:
- 为了制造一个高度灵活和可扭曲的纤维状超级电容器.
- 研究F-SCs三元金属氧化物纳米结构的性能.
- 开发一种具有成本效益的方法来制造耐用的F-SC电极.
主要方法:
- 在碳线上直接放置ZnMn2O4纳米结构的电极.
- 制造纤维状超级电容器 (F-SCs).
- 电化学测试包括循环电压测量,静电电荷放电和长期循环.
主要成果:
- 实现了高面积电容 (87.6mF/cm2在10mV/s) 和体积电容 (35.4mF/cm2在0.1mA/cm2).
- 经过1万个循环后,表现出极好的机械稳定性,92%的电容保持率.
- 报告的能量密度为11μWh/cm2,功率密度为385μW/cm2.
- 在曲和扭曲条件下保持一致的性能.
结论:
- Mn2O4纳米结构的电沉积增强了F-SCs的电容性能和机械完整性.
- 制造的F-SC表现出卓越的灵活性,扭曲性和电化学稳定性.
- 这种方法为开发可穿戴电子产品的先进灵活能源存储提供了一个简单,具有成本效益的战略.
更多相关视频
相关概念视频
01:18Capacitor With A Dielectric
4.2K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
4.2K
01:25MOS Capacitor
998
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
998