fig4
Figure 4. (A) Cycling performance of NCM at 0.2 A g-1. (B) Cycling performance of NCM at 3.0 A g-1. (A and B) Reprinted with permission from[87]. Copyright 2023, Elsevier; (C) GCD curves of MnO2 with different W doping ratio at 0.1 A g-1. (D) Long-cycle performance of MnO2 and W-MnO2. (C and D) Reprinted with permission from[88]. Copyright 2025, Elsevier. NCM: MWCNTs-NH2/γ-MnO2 nanocomposite; CCM: MWCNTs-COOH/MnO2 composites; CM: MWCNTs/MnO2 composites; GCD: galvanostatic charge-discharge.







