Simultaneous Ultrahigh Energy Density and High Efficiency Achieved in Dipole-Glass Polyimide Dielectrics.

Song Ding, Zihe Wang, Yiwei Wang, Zhiqiang Zhang, Yongming Hu, Shengchun Shen, Yuewei Yin, Xiaoguang Li

Abstract read

In one paragraph

Article in Advanced materials (Deerfield Beach, Fla.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Song DingHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.

Zihe WangHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.

Yiwei WangHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.

Zhiqiang ZhangHubei Key Laboratory of Micro-Nanoelectronic Materials and Devices, School of Intelligent Manufacturing, Hubei University, Wuhan, China.

Yongming HuHubei Key Laboratory of Micro-Nanoelectronic Materials and Devices, School of Intelligent Manufacturing, Hubei University, Wuhan, China.

Shengchun ShenHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.

Yuewei YinHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.ORCID https://orcid.org/0000-0003-0965-4951

Xiaoguang LiHefei National Research Center for Physical Sciences at the Microscale, Department of Physics, University of Science and Technology of China, Hefei, China.

Funding

National Key Research and Development Program of China 2024YFA1208601National Natural Science Foundation of China 52125204National Natural Science Foundation of China 52422209National Natural Science Foundation of China U24A20203National Natural Science Foundation of China U25A20231

6 · The paper itself

Abstract

Polymer-based film capacitors are crucial components for modern electronic devices and advanced pulse power systems, but their performance is fundamentally constrained by the long-standing trade-off between high energy density and high charge-discharge efficiency. Here, a dipole-glass polymer design is introduced, in which the active dipolar side groups are incorporated into a rigid polyimide backbone through flexible spacers. The rigid polyimide backbone provides a wide bandgap and a glassy matrix that suppresses leakage current and enables an ultrahigh breakdown strength of 964 MV m

Indexed as

capacitordielectric constantdipole glassenergy storagepolyimide

Identifiers

PMID42335302

DOI10.1002/adma.73808

PMCPMC13410445

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.