解和调节电极-电解质集成,以实现高性能MoS2加载纤维形超级电容器
Qingli Xu1, Qi Zhang2, Zhigen Yu3
1National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215127, China; Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore; Key Laboratory of Textile Science & Technology of Ministry of Education, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai 201620, China.
Journal of colloid and interface science
|March 1, 2025
概括
这项研究引入了一种新型的二硫化物 (MoS) 沉积不钢线用于纤维状超级电容器 (FSC). 这种材料通过双离子合表现出增强的电容和稳定性,为先进的储能织品铺平了道路.
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:
- 二硫化物 (MoS2) 在纤维状超级电容器 (FSC) 中表现有前途.
- 现有的基于MoS2的FSC存在低容量和不良循环稳定性.
- 电解质工程对于优化能源设备中纳米材料性能至关重要.
研究的目的:
- 为FSCs开发一种高性能MoS2基材料.
- 为了研究双离子互对MoS2性能的影响.
- 展示工程MoS在柔性电子中的实际应用.
主要方法:
- 制造MoS2沉积的不钢丝 (MoS2@SSW). 这种不钢丝的制造.
- 在H2SO4/Na2SO4电解质中使用双离子 (Na+和H+) 间隙的电化学表征.
- 基于MoS2@SSW的FSC的性能评估,包括电容和循环稳定性.
- 在3D织品中整合MoS2@SSW FSC.
主要成果:
- @SSW在0.4 mA cm-2下实现了~1632.7 mF cm-2的高电容.
- 经过1万个循环后,记录了84.25%的优异容量保留.
- 预先将H+插入MoS2 (形成MoS-SH) 便于Na+的吸附和插入,提高性能.
- 成功地将MoS2@SSW FSC集成到3D织品中证明了概念验证.
结论:
- 双离子互显著提高了FSC中的MoS的电容和稳定性.
- 纳米界面的电解质工程为高性能灵活的能源存储提供了一个可行的策略.
- 开发的MoS2@SSW材料和FSC具有可穿戴电子产品和智能织品的潜力.
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