Fig. 2: Energy-storage performance of NN-based MLCC devices. | Nature Communications

Fig. 2: Energy-storage performance of NN-based MLCC devices.

From: Ultra-high energy storage in lead-free NaNbO3-based relaxor ceramics with directional slush-like polar structures design

Fig. 2

a Digital image of the MLCCs and SEM image of the cross-section area with corresponding element distribution. b The P-E loop of the MLCCs. c The Weibull distribution analysis of the breakdown strength of the MLCCs. d Energy density and efficiency as a function of electric field up to Eb. e Comparations of UF (unit. J▪cm−3) versus η of our NN-based MLCCs with state-of-the-art dielectric MLCCs. f Temperature stability of the energy-storage performance at 700 kV▪cm−1. g Time dependence of discharge energy density under different fields (R = 1000 Ω).

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