The article "Recent advances and perspectives of zinc metal-free anodes for zinc ion batteries" by Jiabing Miao et al. reviews the progress and future prospects of zinc metal-free anodes in zinc-ion batteries (ZIBs). ZIBs are recognized for their low cost, high energy density, and environmental friendliness, but zinc anodes face issues such as dendrite formation, passivation, corrosion, and hydrogen evolution, which limit their practical application. The paper discusses four main categories of zinc metal-free anodes: transition metal oxides, transition metal sulfides, MXene composites, and organic compounds, highlighting their properties and zinc storage mechanisms. The introduction of "rocking chair" ZIBs, which provide a higher working potential and avoid many of these issues, is also covered. The review aims to provide a comprehensive reference for the commercial development of rechargeable ZIBs, addressing the challenges and future directions in the field.The article "Recent advances and perspectives of zinc metal-free anodes for zinc ion batteries" by Jiabing Miao et al. reviews the progress and future prospects of zinc metal-free anodes in zinc-ion batteries (ZIBs). ZIBs are recognized for their low cost, high energy density, and environmental friendliness, but zinc anodes face issues such as dendrite formation, passivation, corrosion, and hydrogen evolution, which limit their practical application. The paper discusses four main categories of zinc metal-free anodes: transition metal oxides, transition metal sulfides, MXene composites, and organic compounds, highlighting their properties and zinc storage mechanisms. The introduction of "rocking chair" ZIBs, which provide a higher working potential and avoid many of these issues, is also covered. The review aims to provide a comprehensive reference for the commercial development of rechargeable ZIBs, addressing the challenges and future directions in the field.