Fig. 4: Excellent energy storage performance of BF-BHT-xSAN ceramics. | Nature Communications

Fig. 4: Excellent energy storage performance of BF-BHT-xSAN ceramics.

From: Ultrahigh capacitive energy storage of BiFeO3-based ceramics through multi-oriented nanodomain construction

Fig. 4

a P-E loops of BF-BHT-xSAN ceramics up to breakdown. b The maximum curvatures extracted from the fitting line. c The Wrec and η parameters of the BF-BHT-xSAN ceramics. d Comparisons of Wrec (η ≥ 90%) between x = 0.15 and x = 0.20 ceramics in this work and other reported bulk ceramics. e Comparisons of WF between x = 0.15 and x = 0.20 ceramics in this work and other reported BF-based ceramics. f Wrec and η dependent temperature for BF-BHT-0.15SAN ceramics at 450 kV cm−1. g Comparison of Tmax–Tmin/ΔWrec(%) (Tmax ≥ 100 °C) between BF-BHT-0.15SAN and other reported ceramics. h Curves of discharge energy density as a function of temperature.

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