多维协同MXene/CNT/NiCoS复合电极的制备及其柔性超电性能研究
Preparation of Multi-Dimensional Synergistic MXene/CNT/NiCoS Composite Electrode and Investigation on Its Flexible Supercapacitor Performance
DOI: 10.12677/ms.2026.164070, PDF,    科研立项经费支持
作者: 闫丽茹, 范宴齐, 刘 洋, 孙士帅：天津理工大学理学院，天津市量子光学与智能光子学重点实验室，天津
关键词: 超级电容器；复合材料；碳纳米管；Supercapacitor； Composite Material； Carbon Nanotube
摘要: 本研究构建了一种MXene/CNT/NiCoS多维协同复合电极材料。通过真空抽滤将一维碳纳米管(CNT)插入二维MXene层间形成导电网络，再经水热法在复合结构中生长NiCoS纳米块，充分发挥MXene的柔性基底、CNT的导电桥梁与NiCoS的赝电容活性三重优势。所制图案化柔性超级电容器在0.5 mA/cm2电流密度下面积比电容达270.71 mF/cm2，在4.6 mW/cm2功率密度下能量密度为156.2 μWh/cm2。器件表现出优异的机械柔性：180˚弯曲电容保持率96%，5000次循环后保持率88.5%，连续弯折2000次后仍保持84%，展现了在便携式柔性储能领域的应用潜力。
Abstract: In this study, a multi-dimensional synergistic MXene/CNT/NiCoS composite electrode material was constructed. One-dimensional carbon nanotubes (CNTs) were inserted into the interlayers of two-dimensional MXene via vacuum filtration to form a conductive network. NiCoS nano-blocks were then grown in the composite structure through a hydrothermal process, which fully exploits the triple advantages of MXene as a flexible substrate, CNT as a conductive bridge, and NiCoS as a pseudocapacitive active material. The as-prepared patterned flexible supercapacitor achieves an areal capacitance of 270.71 mF/cm2 at a current density of 0.5 mA/cm2 and an energy density of 156.2 μWh/cm2 at a power density of 4.6 mW/cm2. The device exhibits outstanding mechanical flexibility: 96% capacitance retention after 180˚ bending, 88.5% retention after 5000 cycles, and 84% retention even after 2000 consecutive bending cycles, demonstrating its promising application potential in portable flexible energy storage.
文章引用：闫丽茹, 范宴齐, 刘洋, 孙士帅. 多维协同MXene/CNT/NiCoS复合电极的制备及其柔性超电性能研究[J]. 材料科学, 2026, 16(4): 35-44. https://doi.org/10.12677/ms.2026.164070

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