The excellent cycle and rate performances are attributed to the synergistic effect of the deficient spinel structure of hollow porous ZnMn 2O 4 with residual carbon distribution and the inhibition of Mn dissolution during the charge/discharge process. It has a high discharge plateau and thus a higher energy. Meanwhile, it exhibits a high capacity of 70.2 mA h g −1 at a large current density of 3200 mA g −1. The surface spinel modified cathode exhibits a higher initial coulombic efficiency of 87.52 with enhanced cycle stability at 55 (191.5mAh/g after 200 cycles at 1C), the average discharge. 5V Spinel cathodeLiMn1.5Ni0.5O4 is a cathode that needs to be charged at a voltage near 5V. Lithium Manganese Oxide Spinel Powder is a cost-effective and thermally stable electrode material for lithium-ion batteries. Spinel LiMn2O4 has been zeroed in attractive and promising cathode materials for lithium-ion batteries owing to its high voltages, proper Mn3+/Mn4+ redox. The galvanostatic charge–discharge measurement demonstrates that a reversible discharge capacity of 106.5 mA h g −1 at 100 mA g −1 after 300 cycles can be achieved with no capacity decay after the addition of 0.05 mol L −1 of MnSO 4 into the electrolyte. ZnMn 2O 4 is firstly prepared through a solvothermal carbon template dispersed by polyvinyl pyrrolidone, followed by an annealing process. Planes as high-rate-capability cathode for lithium-ion batteries. Here, we report competitive ZIBs based on hollow porous ZnMn 2O 4 as the cathode and zinc as the anode. A Li-rich LayeredSpinelCarbonheterostructured cathode material for high capacity and high rate lithium-ion batteries fabricated via an in situ synchronous carbonization-reduction method. Rechargeable aqueous zinc-ion batteries (ZIBs) have been receiving much attention recently due to their potential large-scale applications for energy storage, although only a few cathode materials have been reported as the intercalation hosts for divalent Zn 2+ ions.

Battery cathode spinel