High-strength, electrochemically efficient RuO2-MXene/CNTs hybrid fibres via nanostructure design for flexible electronics and energy storage
- 1College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
- 2Aerospace Research Institute of Special Materials and Technology, Beijing 100074, China
- 3Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, SAR, Taipa, Macau 999078, China
Abstract
Demand for smart textiles in wearables spotlights MXene fibres, but their use is limited by mechanical robustness, electrochemical activity, and electrical stability challenges. In this paper, a three-dimensional network-structured hybrid fibre with high tensile strength, flexibility, electrical conductivity, and superior electrochemical characteristics was successfully fabricated by combining hydrothermal synthesis and wet-spinning techniques. Initially, an in-situ hydrothermal method was used to uniformly anchor hydrated RuO 2 nanoparticles onto MXene nanosheets. These RuO 2 -MXene composites were subsequently combined with carbon nanotubes (CNTs) to construct RuO 2 -MXene/CNTs hybrid fibres via a wet-spinning process. RuO 2 prevents MXene re-lamination and adds pseudocapacitance, improving ion access and charge storage. Meanwhile, CNTs create a strong 3D conductive network, boosting charge transport and mechanical strength. As a result, the RuO 2 -MXene/CNTs hybrid fibres achieved a superior specific volumetric capacitance reaching 77.9F/cm 3 , along with outstanding cyclic stability, maintaining 88.1 % of the capacitance after 1000 charge–discharge operations. Additionally, the hybrid fibres displayed outstanding flexibility and electrical stability, with a resistance variation of less than 0.7 % under continuous rapid bending over 8000 s. These findings clearly demonstrate that RuO 2 -MXene/CNTs hybrid fibres possess high potential for application as electrode materials in the domain of future flexible electronics.
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BibTeX
@article{dong2026highstrength,
title = {{High-strength, electrochemically efficient RuO2-MXene/CNTs hybrid fibres via nanostructure design for flexible electronics and energy storage}},
author = {Mengmeng Dong and Hongjun Ke and Fuli Wang and Kaixuan Wang and Guoxing Sun and Ting Zheng and Xiaodong Wang},
journal = {Materials \& Design},
year = {2026},
month = jun,
doi = {10.1016/j.matdes.2026.116378},
url = {https://doi.org/10.1016/j.matdes.2026.116378},
note = {CC BY-NC-ND},
}
RIS
TY - JOUR
TI - High-strength, electrochemically efficient RuO2-MXene/CNTs hybrid fibres via nanostructure design for flexible electronics and energy storage
AU - Mengmeng Dong
AU - Hongjun Ke
AU - Fuli Wang
AU - Kaixuan Wang
AU - Guoxing Sun
AU - Ting Zheng
AU - Xiaodong Wang
PY - 2026
DA - 2026/06/14
JO - Materials & Design
DO - 10.1016/j.matdes.2026.116378
UR - https://doi.org/10.1016/j.matdes.2026.116378
AB - Demand for smart textiles in wearables spotlights MXene fibres, but their use is limited by mechanical robustness, electrochemical activity, and electrical stability challenges. In this paper, a three-dimensional network-structured hybrid fibre with high tensile strength, flexibility, electrical conductivity, and superior electrochemical characteristics was successfully fabricated by combining hydrothermal synthesis and wet-spinning techniques. Initially, an in-situ hydrothermal method was used to uniformly anchor hydrated RuO 2 nanoparticles onto MXene nanosheets. These RuO 2 -MXene composites were subsequently combined with carbon nanotubes (CNTs) to construct RuO 2 -MXene/CNTs hybrid fibres via a wet-spinning process. RuO 2 prevents MXene re-lamination and adds pseudocapacitance, improving ion access and charge storage. Meanwhile, CNTs create a strong 3D conductive network, boosting charge transport and mechanical strength. As a result, the RuO 2 -MXene/CNTs hybrid fibres achieved a superior specific volumetric capacitance reaching 77.9F/cm 3 , along with outstanding cyclic stability, maintaining 88.1 % of the capacitance after 1000 charge–discharge operations. Additionally, the hybrid fibres displayed outstanding flexibility and electrical stability, with a resistance variation of less than 0.7 % under continuous rapid bending over 8000 s. These findings clearly demonstrate that RuO 2 -MXene/CNTs hybrid fibres possess high potential for application as electrode materials in the domain of future flexible electronics.
SN - 0264-1275
SN - 1873-4197
ER -