Demonstration of a Pyroelectric Conversion Power Cycle with a Polymer.

Abstract

Copolymers of vinylidene fluoride trifluoroethylene P(VDF-TrFE) exhibit large piezoelectric effects. Standard isothermal D-E hysteresis loops were found to be inaccurate predictors of the pyroelectric conversion performance of this material. Conduction effects obscured the observation of conversion cycles for the presently available materials. A conversion cycle was measured with electric energy density of 30 mJ/cc, which is 15 times larger than that of any other polymer yet measured. Resistivity and displacement change data are discussed in terms of predicted pyroelectric energy conversion performance. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1985
Accession Number
ADA158964

Entities

People

  • R. B. Olsen

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Aeronautical Laboratories
  • Air Force
  • Air Force Facilities
  • Brushless Dc Motors
  • Ceramic Materials
  • Classification
  • Curie Temperature
  • Dielectric Strength
  • Electric Power
  • Energy
  • Energy Conversion
  • Heat Energy
  • Heat Transfer
  • Measurement
  • Standards
  • Thermodynamics
  • Transition Temperature

Fields of Study

  • Physics

Readers

  • Aerospace Engineering
  • Materials Science and Engineering.

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene
  • Microelectronics - Microelectromechanical Systems