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Related Experiment Video

Updated: Jan 13, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

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Published on: January 7, 2022

Large Capacitive Energy Storage in Linear-Like MLCCs with Tailored Atomic-Scale Polymorphic Polarization

Da Li¹, Ze Zhang¹, Weichen Zhao²

¹Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, School of Material Science and Engineering, Shaanxi University of Science & Technology, Xi'an, China.

Advanced Materials (Deerfield Beach, Fla.)

|January 8, 2026

Summary

Entropy engineering in lead-free multilayer ceramic capacitors (MLCCs) creates atomic-scale disorder, enhancing energy storage. This approach yields high recoverable energy density and efficiency for advanced electronic devices.

Keywords:

energy density entropy linear‐like polarization multilayer ceramic capacitor

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Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

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Published on: September 19, 2020

Area of Science:

Materials Science
Condensed Matter Physics
Ceramics Engineering

Background:

Growing demand for portable electronics necessitates advanced energy storage solutions.
Lead-free multilayer ceramic capacitors (MLCCs) are crucial components requiring improved energy storage capabilities.

Purpose of the Study:

To develop a novel strategy for enhancing the energy storage properties of lead-free MLCCs.
To investigate the effects of entropy engineering on atomic-scale polarization and material performance.

Main Methods:

Entropy engineering was employed to induce atomic-scale lattice disorder.
Polymorphic polarization fluctuations were generated by increasing entropy, leading to coexisting rhombohedral and tetragonal phases.
Polar anisotropy and domain switching barriers were significantly reduced.

Main Results:

A giant recoverable energy density (Wrec) of 21.3 J·cm⁻³ was achieved at 1045 kV·cm⁻¹.
High energy efficiency (η) of 94.5% was observed.
The high-entropy MLCC demonstrated excellent broad-temperature, frequency, and cyclic stability.

Conclusions:

Entropy engineering is an effective approach for designing superior-performing lead-free MLCCs.
The study reveals a critical entropy-structure-performance correlation for MLCC development.
This work offers a reliable technical strategy for next-generation energy storage devices.