Extended Data Fig. 6: The electrochemical performance of DRS-Li3V2O5. | Nature

Extended Data Fig. 6: The electrochemical performance of DRS-Li3V2O5.

From: A disordered rock salt anode for fast-charging lithium-ion batteries

Extended Data Fig. 6

a, Voltage profiles of DRS-Li3+xV2O5 over 1,000 cycles at 1 A g−1. b, Comparison of the electrochemical performance of DRS-Li3V2O5 with different voltage windows under a current density of 0.1 A g−1. c, Voltage profiles of DRS-Li3V2O5 in voltage windows of 0.01–2 V, 0.1–2 V, 0.2–2 V and 0.3–2 V, respectively. d, The initial charge voltage curve of a Li||LiNi0.8Mn0.1Co0.1O2 half-cell under 0.1 A g−1 and the discharge voltage curve of a Li||DRS-Li3V2O5 half-cell under 0.1 A g−1 were used to simulate the charge voltage profile of a DRS-Li3V2O5||LiNi0.8Mn0.1Co0.1O2 full cell. e, Voltage profiles of a Li||LiNi0.8Mn0.1Co0.1O2 half-cell under charge–discharge current densities of 0.1 A g−1 and 0.5 A g−1, with voltage window 2.8–4.3 V. The LiNi0.8Mn0.1Co0.1O2 delivered specific capacities of 190 mA h g−1 and 160 mA h g−1 under 0.1 A g−1 and 0.5 A g−1, respectively. f, Voltage profiles of a DRS-Li3V2O5||LiNi0.8Mn0.1Co0.1O2 full cell under charge–discharge current densities of 0.1 A g−1 and 0.5 A g−1, with voltage window 1.5–3.9 V. The full cell delivered specific capacities of 189 mA h g−1 and 155 mA h g−1 under 0.1 A g−1 and 0.5 A g−1, respectively. g, Discharge voltage profiles of DRS-Li3V2O5 with 30 wt% of carbon under various charge–discharge current densities, with voltage window 0.01–2.0 V. h, Discharge voltage profiles of DRS-Li3V2O5 with 10 wt% of carbon under various charge–discharge current densities, with voltage window 0.01–2.0 V. i, XRD patterns of DRS-Li3V2O5 prepared by different methods. Comparison of the electrochemical (Echem) performance of the fresh DRS-Li3V2O5 and the aged DRS-Li3V2O5 prepared by chemical (Chem) synthesis. j, Cycling stability (Ch, charge; DCh, discharge) under a current density of 0.1 A g−1. k, Representative voltage profiles of chemically synthesized DRS-Li3V2O5.

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