二氧化锰形貌对Ti3C2Tx@MnO2复合材料电化学性能的影响

二氧化锰形貌对Ti₃C₂T_x@MnO₂复合材料电化学性能的影响

李学林,朱建锋,焦宇鸿,黄家璇,赵倩楠

Manganese Dioxide Morphology on Electrochemical Performance of Ti₃C₂T_x@MnO₂ Composites

LI Xue-Lin,ZHU Jian-Feng,JIAO Yu-Hong,HUANG Jia-Xuan,ZHAO Qian-Nan

表1 各样品的电化学阻抗谱EIS数据拟合值

Table 1 Details of various parameters based Spectroscopy Impedance on the equivalent circuit derived by fitting Electrochemical (EIS) data of prepared samples

Sample	R_e/Ω	C_dl/μF	R_ct/Ω	Z_w/(Ω^-1?s^1/2)	C_L/mF
Ti₃C₂T_x	2.043	12.04	0.4575	0.04459	39.82
Ti₃C₂T_x@PDA	2.397	43.26	0.4671	0.09429	65.16
Ti₃C₂T_x@δ-MnO₂ nanofragments	2.678	187.1	1.333	0.0999	343.5
Ti₃C₂T_x@α-MnO₂ nanorods	2.989	31.7	1.358	0.04104	263.1
Ti₃C₂T_x@α-MnO₂ nanoflowers	2.304	20.89	1.925	0.001071	65.97
Ti₃C₂T_x@α-MnO₂ nanowires	2.592	135.3	1.268	0.1547	373.5