Synthesis of High Performance Two-Dimensional Materials by Changing Ion for Electrochemical Energy Storage

The global environmental and the depletion of non-renewable resources have led to severe environmental pollution and an energy crisis. These issues are mainly attributed to the incomplete utilization of fossil fuels, their environmental pollutants, the non-renewable nature of traditional energy sources, and general energy shortages. In this work, the NiFe-LDH composites were synthesized via a hydrothermal method. The material prepared at 120 °C with 0.1 mmol of cerium nitrate exhibited the best electrochemical performance with a specific capacitance of 1319 C g −1 .