MXene-Based Current Collectors for Advanced Rechargeable Batteries

As an indispensable component of rechargeable batteries, the current collector plays a crucial role in supporting the electrode materials and collecting the accumulated electrical energy. However, some key issues, like uneven resources, high weight percentage, electrolytic corrosion, and high-voltage instability, cannot meet the growing need for rechargeable batteries. In recent years, MXene-based current collectors have achieved considerable achievements due to its unique structure, large surface area, and high conductivity. The related research has increased significantly. Nonetheless, a comprehensive review of this area is seldom. Herein the applications and progress of MXene in current collector are systematically summarized and discussed. Meanwhile, some challenges and future directions are presented. The recent progress with regard to MXene-based current collectors for rechargeable batteries is systematically reviewed. The application of MXene in the current collector has achieved considerable achievements due to its unique structure, large surface area, and high conductivity. Up to now, various effective strategies have been presented and achieved positive effects, such as vacuum filtration, freeze-drying and in situ electrodeposition, etc.image