Multicomponent Synergistic Contribution in Nanoengineered Nanofibers for Flexible Energy Storage

被引:9
作者
Boll, Felix [1 ,2 ]
Fadda, Marta [3 ]
Happel, Melissa [1 ,2 ]
Crisci, Matteo [1 ,2 ]
Athanassiou, Athanassia [3 ]
Smarsly, Bernd [1 ,2 ]
Bella, Federico [4 ]
Lamberti, Francesco [5 ]
Perotto, Giovanni [3 ]
Gatti, Teresa [1 ,2 ,4 ]
机构
[1] Justus Liebig Univ, Inst Phys Chem, D-35392 Giessen, Germany
[2] Justus Liebig Univ, Ctr Mat Res, D-35392 Giessen, Germany
[3] Ist Italiano Tecnol, Smart Mat, I-16163 Genoa, Italy
[4] Politecn Torino, Dept Appl Sci & Technol, I-10129 Turin, Italy
[5] Univ Padua, Dept Chem Sci, I-35131 Padua, Italy
来源
ACS APPLIED ENERGY MATERIALS | 2024年 / 7卷 / 11期
基金
欧洲研究理事会; 欧盟地平线“2020”;
关键词
polymer nanofibers; nanocomposite; electrospinning; energy storage; flexible device; CARBON NANOTUBES; SOLID-STATE; ELECTRODE; BLACK; MATS; PHOTOLUMINESCENCE; NANOMATERIALS; SPECTROSCOPY; PERFORMANCE; DEPOSITION;
D O I
10.1021/acsaem.4c00417
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Lightweight and flexible energy storage devices are gaining interest due to their potential integration into wearable electronics. They might work for the long-term powering of sensors, for example, but they need to be operative after the application of different types of mechanical stress. Conductive and semiconducting nanomaterials have been largely investigated as active components for this type of application but need to be coupled to an elastic matrix, such as a polymeric one, in order to be functional in flexible technologies. In this work, we investigate the production of electrospun nanofibers based on a ternary blend of 2D layered WS2, multiwalled carbon nanotubes, and carbon black in poly(ethylene oxide) and characterize their electrochemical behavior in symmetric supercapacitor architectures within bendable pouch cells, in conjunction with a robust analysis of the active materials' mechanical properties. We find optimized specific capacitance values of up to 9 F g(-1) after mechanical adjustment of the device and excellent capacitance retention after multiple bending cycles, revealing the potential of similar scaffolds for use in wearable energy storage devices to activate low-power electronics.
引用
收藏
页码:4733 / 4744
页数:12
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