Flexible MXene‐Based Composites for Wearable Devices

In recent decades, flexible and wearable devices have been extensively investigated due to their promising applications in portable mobile electronics and human motion monitoring. MXene, a novel growing family of 2D nanomaterials, demonstrates superiorities such as outstanding electrical conductivity, abundant terminal groups, unique layered‐structure, large surface area, and hydrophilicity, making it to be a potential candidate material for flexible and wearable devices. Numerous pioneering works are devoted to develop flexible MXene‐based composites with various functions and designed structures. Therefore, the latest progress of the flexible MXene‐based composites for wearable devices is summarized in this review, focusing on the preparation strategies, working mechanisms, performances, and applications in sensors, supercapacitors, and electromagnetic interference shielding materials. Moreover, the current challenges and future outlooks are also discussed. This is a comprehensive review of flexible MXene‐based composites for various applications as wearable devices in sensors, supercapacitors, and electromagnetic interference shielding materials. The preparation strategies, working mechanisms, performances, and applications of flexible MXene‐based composites are highlighted. Additional work is suggested to be conducted to improve the performance of the flexible MXene‐based composites for wearable devices.