Advanced Anode Materials of Potassium Ion Batteries: from Zero Dimension to Three Dimensions

This review introduces the recent anode materials of potassium ion batteries classified into 0D, 1D, 2D, and 3D, mainly including carbon materials, metal-based chalcogenides and metal-based oxides, and alloying materials.The advantages, disadvantages, and optimized strategies of different dimensional anode materials are summarized.The relationship between different dimensional anode materials in potassium ion batteries and the corresponding electrochemical performances is outlined. And some strategies are proposed to deal with the current disadvantages of potassium ion batteries.