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CV curves obtained at different scanning rates for rGO-CNT-Co3O4-SnO2-AB-PTFE composite on Ni foam (a) (Reproduced with permission of [54]. Copyright Elsevier, 2017). Electrochemical performance of LiMn2O4-CNT-graphene nanocomposite: GCD at different current densities (b), EIS Nyquist plots of the electrode after cycling (c). Contribution ratios of capacitive and diffusion-controlled processes at various scan rates (d) (Reproduced with permission of [56]. Copyright Elsevier, 2019).
