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. 2021 Mar 15;8(11):2003185. doi: 10.1002/advs.202003185

Figure 5.

Figure 5

a) SEM images of Ti3C2Tx and b) long‐term cycling stability of Ti3C2Tx for SIBs. Reproduced with permission.[ 55 ] Copyright 2015, American Chemical Society. c) Optimized geometry of layered Ti3CN intercalated with Na ions and d) DFT calculated projected density of states (PDOS) of Ti3CN. The Fermi level is set to zero. Reproduced with permission.[ 78 ] Copyright 2018, American Chemical Society. e) Cycling performance of the MnO2//Ti3C2Tx capacitor battery. Reproduced with permission.[ 79 ] Copyright 2017, Wiley‐VCH GmbH. f) Cyclic voltammetry of V2CTx at different scan rate and g) capacity versus cycle number. Reproduced with permission.[ 57 ] Copyright 2015, American Chemical Society. h–k) The discharge/charge curves of h,i) Nb4C3Tx, j) Nb3.5Ta0.5C3Tx, and k) Nb3.9W0.1C3Tx samples at 100 mA g−1. Reproduced with permission.[ 80 ] Copyright 2018, Elsevier Ltd. and Techna Group S.r.l.