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Updated: May 23, 2026

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Published on: April 12, 2018
Electric field induced phase transitions in polymers: a novel mechanism for high speed energy storage
V Ranjan1, Marco Buongiorno Nardelli, J Bernholc
1Center for High Performance Simulation and Department of Physics, North Carolina State University, Raleigh, North Carolina 27695-7518, USA.
Abstract:
Using first-principles simulations, we identify the microscopic origin of the nonlinear dielectric response and high energy density of polyvinylidene-fluoride-based polymers as a cooperative transition path that connects nonpolar and polar phases of the system. This path explores a complex torsional and rotational manifold and is thermodynamically and kinetically accessible at relatively low temperatures. Furthermore, the introduction of suitable copolymers significantly alters the energy barriers between phases providing tunability of both the energy density and the critical fields.
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