2021
DOI: 10.1021/acsaem.0c02647
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Rational Design of High-Energy-Density Polymer Composites by Machine Learning Approach

Abstract: Rationally designing polymer composite structures, including physical parameters of nanofillers, nanofiller−matrix interface characteristics, and geometric distribution of nanofillers, is thought to be an effective approach to achieve the desired dielectric properties such as breakdown strength (E b ), permittivity (ε r ), and energy density (U e ) in wide applications. However, the work is difficult to complete through merely high-cost and timeconsuming trial-and-error experiments. A machine learning (ML) dri… Show more

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Cited by 26 publications
(26 citation statements)
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“…In accordance with the data given in Figure 10a, the potential barrier heights of each sample have been calculated by Equation (20) and the variation of W b with EKS concentration has been shown in Figure 10b. As is seen from Figure 10b, all potential barrier heights of the composites are higher than that of pure PPy.…”
Section: Discussionsupporting
confidence: 61%
See 2 more Smart Citations
“…In accordance with the data given in Figure 10a, the potential barrier heights of each sample have been calculated by Equation (20) and the variation of W b with EKS concentration has been shown in Figure 10b. As is seen from Figure 10b, all potential barrier heights of the composites are higher than that of pure PPy.…”
Section: Discussionsupporting
confidence: 61%
“…Supervised ML regression algorithm are applied to predict the dielectric properties of polymer composites for energy implementations by Reference 18. Also there are many studies in the literature that use the ML algorithms for the prediction of the dielectric properties of polymer composites and nanomaterials 19–21 …”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…For example, 1210 experimentally measured permittivity values at different frequencies were manually collected from studies in the literature to train a ML model to instantly and accurately predict the frequency-dependent permittivity of polymers [34]. To aid accelerated discovery of polymer nanocomposites with the desired breakdown strength, permittivity and energy density, we have extracted hundreds of experimentally measured data from the literature to develop a ML model for predicting dielectric properties [26]. Owing to the difficulty in interpreting technical languages, which requires domain knowledge, the use of NLP in collecting material data is still in its infancy.…”
Section: Datasetmentioning
confidence: 99%
“…By using GPR to determine prediction value and uncertainty, an active-learning framework based on a balanced exploitation/exploration strategy was demonstrated to aid the discovery of polymers possessing high glass transition temperatures [88]. We have also adopted GPR to establish a linkage between the microstructure of nanocomposites and dielectric properties, and to discover doping schemes with desired properties [26]. A multi-fidelity information fusion approach based on GPR was proposed to solve the problems where several datasets have varying levels of accuracy [89].…”
Section: Algorithmmentioning
confidence: 99%