Journal
CERAMICS INTERNATIONAL
Volume 38, Issue 2, Pages 1071-1075Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2011.08.033
Keywords
Nanocomposites; Dielectric properties; P(VDF-CTFE); (Ba0.7Sr0.3)TiO3; Energy density
Categories
Funding
- National Basic Research Program of China (973 Program) [2009CB623306]
- National Nature Science foundation of China-NSAF [10976022, 50903065]
- SRF for ROCS, SEM
- Program for New Century Excellent Talents in University
- Fundamental Research Funds for the Central Universities
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A series of poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE))/barium strontium titanate (BST) nanocomposites were fabricated by solution casting method. The addition of BST nanoparticles could enhance both the dielectric constant and the displacement of the resultant composite significantly. The surface activation of BST nonaparticles with KH550 was confirmed as an effective way to improve the breakdown strength of the composite. The high electric displacement (D > 15 mu C/cm(2)), breakdown field (>200 MV/m) and low dielectric loss in P(VDF-CTFE)/BST nanocomposites suggest that the high electrical energy density may be desirable. That indicates the potential application of this class of copolymer/ceramics nanocomposites for high energy storage components. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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