Surface Engineering of Latex Nanoparticles for Improved High-Temperature Energy Storage

Dielectric capacitors are key for high‑power energy storage because they can charge and discharge quickly, deliver a lot of power, and tolerate high voltages. Traditional polymer dielectrics, however, tend to break down at high temperatures and store less energy than ceramic ones, which limits their use in hot environments. This research looks at making eco‑friendly, water‑based polymer nanocomposites that use polyvinylidene fluoride (PVDF) latex as the base material. By modifying the surface of the latex particles, we can control how they bond to inorganic nanofillers. This helps improve the material’s ability to polarize and reduces leakage currents when the temperature rises. The approach includes modeling three things: – how the

electric field spreads through the composite, – how the material polarizes, – how heat is dissipated. We use finite‑element analysis and phase‑field simulations to see how different surface treatments on the nanoparticles affect two key performance metrics: breakdown strength and energy‑storage density. The resulting framework gives a clear way to study how surface functionalization and the polymer matrix work together, guiding the design of dielectric capacitors that stay stable at high temperatures and store more energy.

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