Fig. 3: Electrochemical features of Ti2CTx MXene and TiNbCTx MXene in AIBs.
From: TiNbC MXene cathode for high-performance aluminum-ion batteries

a CV curves of Ti2CTx MXene and TiNbCTx MXene at a scan rate of 1.0 mV s−1. b The 2nd to 5th CV curves of TiNbCTx MXene at a scan rate of 0.5 mV s−1. c (Dis)-charge profiles of Ti2CTx MXene and TiNbCTx MXene at a current density of 0.1 A g−1. d Selected (dis)-charge profiles of TiNbCTx MXene at a current density of 0.2 A g−1. e Capacity retention of Ti2CTx MXene and TiNbCTx MXene at different current densities. f EIS spectra of Ti2CTx MXene and TiNbCTx MXene. g Rate performance of Ti2CTx MXene and TiNbCTx MXene. h Cyclic performance of Ti2CTx MXene and TiNbCTx MXene at a current density of 0.1 A g−1. The active mass loading of TiNbCTx and Ti2CTx electrodes was standardized at 1.2 mg cm−2 with an error margin of ±0.1 mg cm−2.