Leiyang Zhang, Fukang Chen, Yunyao Huang, Ruiyi Jing, Li Jin
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引用次数: 0
Abstract
Dielectric energy storage materials, which store electrical energy via field-induced polarization, lie at the heart of next-generation pulsed power systems. Their unique ability to deliver rapid energy release with high power density and conversion efficiency makes them indispensable for the miniaturization and integration of pulse power capacitors. This Perspective provides a concise overview of the historical evolution and current landscape of dielectric materials for energy storage, with a particular focus on strategies rooted in polarization engineering. The key mechanisms underlying performance enhancement are systematically analyzed across representative material systems, with particular attention to maximizing inducible polarization, minimizing hysteresis losses, optimizing polarization switching pathways, and suppressing polarization–strain coupling effects. We further highlight the emerging role of phase-field simulations in guiding material design and emphasize that the lack of standardized testing protocols remains a critical bottleneck impeding progress in the field.
期刊介绍:
Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology.
In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics.
APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field.
Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.