2015
DOI: 10.1002/adfm.201501070
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A Hybrid Material Approach Toward Solution‐Processable Dielectrics Exhibiting Enhanced Breakdown Strength and High Energy Density

Abstract: 3505wileyonlinelibrary.com dielectric capacitors possess higher power density, faster charge-discharge capability, and longer lifetime, [ 3,4 ] but bear energy densities that are one order of magnitude lower than those of batteries. [ 5 ] As the energy density of capacitors is governed by the dielectric materials that separate the opposite static charges between two electrodes, the development of dielectric materials with greatly improved energy density is thus becoming one of the major enabling technologies. … Show more

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Cited by 158 publications
(83 citation statements)
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“…is the cumulative probability of electric failure, E is experimental breakdown strength, scale parameter E b is the field strength for which there is a 63.2% probability for the sample to breakdown and is also regarded as the characteristic breakdown strength, and shape parameter β is the Weibull modulus that shows the dispersion of E. [29] The results of Weibull statistical analysis for the gradient-structured PBPNs are presented in Figure 4a and the characteristic E b of the R-BZT_nfs nanocomposites with various BZT_nfs loadings are summarized in Table S1 in the Supporting Information. For the R-BZT_nfs nanocomposites, E b increases from ≈587.9 MV m −1 to ≈605.3 MV m −1 as the content of BZT_nfs increases from 0 to 3 vol%.…”
Section: Breakdown Strength Of Gradient-structured Pbpnsmentioning
confidence: 99%
“…is the cumulative probability of electric failure, E is experimental breakdown strength, scale parameter E b is the field strength for which there is a 63.2% probability for the sample to breakdown and is also regarded as the characteristic breakdown strength, and shape parameter β is the Weibull modulus that shows the dispersion of E. [29] The results of Weibull statistical analysis for the gradient-structured PBPNs are presented in Figure 4a and the characteristic E b of the R-BZT_nfs nanocomposites with various BZT_nfs loadings are summarized in Table S1 in the Supporting Information. For the R-BZT_nfs nanocomposites, E b increases from ≈587.9 MV m −1 to ≈605.3 MV m −1 as the content of BZT_nfs increases from 0 to 3 vol%.…”
Section: Breakdown Strength Of Gradient-structured Pbpnsmentioning
confidence: 99%
“…On the other hand, it is noteworthy that the discovery of synergistic effects of ferroelectric polymers with their inorganic counterparts has recently yielded new ferroelectric material approaches such as composites and hybrids (Figure ). These approaches have shown immense potential for the improvement of material performance that are of great value for practical applications in energy storage and conversion . All these exciting aspects together may represent the trend of next‐stage ferroelectric polymer research.…”
Section: Discussionmentioning
confidence: 99%
“…The energy density of dielectric materials can be described as: U=italicEdD, where E is electric field and D is electric displacement. For linear dielectrics, U=1/2italicDE=1/2Kε0E2, where K is relative dielectric constant and ε 0 is vacuum dielectric constant . In particular, U is quadratically dependent on E .…”
Section: Introductionmentioning
confidence: 99%