基于碳布的柔性准固态离子混合超级电容器显示了超高的面积电容
Yifu Zhang1, Peng Wang1, Xueying Dong1
1State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
Fundamental research
|June 27, 2024
概括
灵活的近固态离子混合超级电容器 (FQSS ZHSCs) 为可穿戴电子产品提供高性能. 这项研究开发了一种新的FQSS ZHSC,使用活性碳布式阴极,实现超高容量和稳定性,用于先进的能量存储.
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:
- 灵活的近固态离子混合超级电容器 (FQSS ZHSCs) 由于其高面积电容和能量密度,对可穿戴电子产品具有前景.
- 组装高性能ZHSC仍然是一个挑战,阻碍了实际应用.
研究的目的:
- 开发一种具有超高面积容量和增强稳定性的新型ZHSC.
- 为了研究开发的ZHSC的储能机制.
- 评估ZHSC在灵活可穿戴设备中的实际性能.
主要方法:
- 制造活性碳布 (ACC) 阴极,以改善离子吸附.
- 描述ZHSC的储能机制,包括电气双层电容和 Zn 溶解/沉积.
- ACC//Zn@ACC ZHSC装置的性能测试,包括面积电容,能量密度和循环稳定性.
主要成果:
- 该ACC阴极促进了一个储能机制,结合了电气双层电容和Zn沉积.
- ACC//Zn@ACC ZHSC实现了2437 mF cm−2的超高面积容量和超过20,000个周期的高稳定性.
- 这种灵活的设备展示了具有竞争力的性能,机械灵活性和可穿戴的稳定性.
结论:
- 使用ACC阴极开发的ZHSC显著优于现有的设备.
- 这项工作为创建用于可穿戴能源存储的高性能FQSS ZHSC提供了途径.
- 这些发现为先进的,灵活的储能解决方案铺平了道路.
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