电沉积法制备Mn-Co-Fe三元金属氢氧化物电极及电化学性能测试

Preparation of Mn-Co-Fe Ternary Metal Hydroxide Electrodes by Electrodeposition Method and Electrochemical Performance Test

可持续的能源是社会和科学面临的重大挑战之一,储能装置在日常生活中起着至关重要的作用。利用电沉积法制备Mn-Co-Fe三元金属氢氧化物电极,探究影响电极性能的电沉积条件并测试其电化学性能。电沉积条件为20mV/s扫描80圈时所获得的电极电化学性能较好,电流密度为2 mA/cm^(2)时,面积比电容可达到1257 mF/cm^(2)。锰、钴、铁具有多种氧化态,可以实现丰富的氧化还原反应,三者具有良好的协同效应,有十分重要的科学研究价值。

The pursuit of sustainable energy represents a paramount challenge for both society and the scientific community,with energy storage devices assuming an indispensable role in our daily lives.This study focuses on the preparation of Mn-Co-Fe ternary metal hydroxide electrodes through electrodeposition method,with an exploration of the influencing factors on electrode performance and subsequent testing of their electrochemical properties.A series of electrochemical test results show that the electrochemical performance of the electrodes is excellent when the electrodeposition condition involves a scanning rate of 20 mV/s for 80 cycles,and the electrode obtained at a current density of 2 mA/cm^(2)exhibites an area specific capacitance of 1257 mF/cm^(2).The elements manganese,cobalt,and iron exhibit a diverse range of oxidation states,enabling them to participate in intricate redox reactions.Moreover,their synergistic effect is highly advantageous and holds significant scientific research value.