Volume: 13 Issue 1
9 Article(s)

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Research Articles
Superior energy storage efficiency through tailoring relaxor behavior and band energy gap in KNN-based ferroelectric ceramic capacitors
Limin Hou, Changxiao Li, Xinjian Wang, Xiaozhi Wang, Ting Wang, and Yu Huan
With the increasing demand of high-power and pulsed power electronic devices, environmental-friendly potassium sodium niobate ((Na0.5K0.5)NbO3, KNN) ceramic-based capacitors have attracted much attention in recent years owning to the boosted energy storage density (Wrec). Nevertheless, the dielectric loss also increase
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242001 (2023)
Enhancement of permittivity and energy storage efficiency of poly (vinylidene fluoride-chlorotrifluoroethylene) by uniaxial stretching
Zhenji Zhou, Weimin Xia, Jing Liu, Na Tian, and Caiyin You
Dielectric polymer film capacitors with a high-power density as well as efficient charge and discharge rates have great potential for application to fulfill the miniaturized and lightweight requirements of the electronic and stationary power systems. It was reported that the elastic recovery rate and energy storage den
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242002 (2023)
Optimization of energy storage properties in (1x)Na0.5Bi0.5TiO3-xSr0.7La0.2TiO3-relaxed ferroelectric ceramics
Ziyue Ma, Jianye Zhu, Jianhua Wu, Yanhua Hu, Xiaojie Lou, Ningning Sun, Ye Zhao, Yong Li, and Xihong Hao
Ferroelectric materials are considered to be the most competitive energy storage materials for applications in pulsed power electronics due to excellent charge–discharge properties. However, the low energy storage density is the primary problem limiting their practical application. In this study, (1 − x)Na0.5Bi0.5TiO3
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242003 (2023)
High energy storage properties in Ca0.7La0.2TiO3-modified NaNbO3-based lead-free antiferroelectric ceramics
Cen Liang, Changyuan Wang, Wenjun Cao, Hanyu Zhao, Feng Li, and Chunchang Wang
In this work, (1 − x)(0.92NaNbO3–0.08BaTiO3)–xCa0.7La0.2TiO3 (NNBT –xCLT) ceramics were successfully designed and prepared by the solid-state reaction method. Investigations on the structure, dielectric, and energy storage properties were performed. The NNBT – 0.25CLT ceramic with orthorhombic phase at room temperature
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242004 (2023)
Ultra-fast charge-discharge and high-energy storage performance realized in K0.5Na0.5NbO3-Bi(Mn0.5Ni0.5)O3 ceramics
Xinru Nie, Yan He, Qiangqiang Shi, Yuqian Liang, Lingling Wei, Pengfei Liang, Xiaolian Chao, Guoxin Hu, and Zupei Yang
Lead-free relaxor ceramics (1 − x)K0.5Na0.5NbO3 − xBi(Mn0.5Ni0.5)O3 ((1 − x )KNN-xBMN) with considerable charge–discharge characteristics and energy storage properties were prepared by a solid state method. Remarkable, a BMN doping level of 0.04, 0.96KNN–0.04BMN ceramic obtained good energy storage performance with acc
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242005 (2023)
Energy storage properties in Nd-doped AgNbTaO3 lead-free antiferroelectric ceramics with Nb-site vacancies
Zhilun Lu, Dongyang Sun, Ge Wang, Jianwei Zhao, Bin Zhang, Dawei Wang, and Islam Shyha
It is crucial to discover lead-free materials with ultrahigh recoverable energy density (Wrec) that can be employed in future pulse power capacitors. In this work, a highWrecof 4.51 J/cm3 was successfully obtained in lead-free Nd-doped AgNb0.8Ta0.2O3 antiferroelectric ceramics at an applied electric field of 290 kV/cm.
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242006 (2023)
Dielectric temperature stability and energy storage performance of NBT-based lead-free ceramics for Y9P capacitors
Hongtian Li, Shiyu Zhou, Jianwei Zhao, Tingnan Yan, Yuxiao Du, Huanfu Zhou, Yongping Pu, and Dawei Wang
In this work, novel (1 − x)(0.75Na0.5Bi0.5TiO3)-0.25Sr(Zr0.2Sn0.2Hf0.2Ti0.2Nb0.2)O3-xNaNbO3 (NBT-SZSHTN-xNN,x = 0.1, 0.15, 0.2, 0.25) ceramics were fabricated. The influence of co-doping of NN and high entropy perovskite oxide (SZSHTN) on the phase structure, microstructure and dielectric properties of NBT-based lead-f
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242007 (2023)
Preparation of elastomeric nanocomposites using nanocellulose and recycled alum sludge for flexible dielectric materials
Dongyang Sun, Bernard L. H. Saw, Amaka J. Onyianta, Bowen Wang, Callum Wilson, Dominic O’Rourke, Chan H. See, Carmen-Mihaela Popescu, Mark Dorris, Islam Shyha, and Zhilun Lu
Flexible dielectric materials with environmental-friendly, low-cost and high-energy density characteristics are in increasing demand as the world steps into the new Industrial 4.0 era. In this work, an elastomeric nanocomposite was developed by incorporating two components: cellulose nanofibrils (CNFs) and recycled alu
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242008 (2023)
A novel Sr5BiTi3Nb7O30 tungsten bronze ceramic with high energy density and efficiency for dielectric capacitor applications
Xiangting Zheng, Wentao Zhong, Peng Zheng, Wangfeng Bai, Chong Luo, Liang Zheng, and Yang Zhang
Dielectric capacitors with high capacitive energy storage are urgently needed to meet the growing demand for high-performance energy storage devices. Herein, a novel lead-free Sr5BiTi3Nb7O30 (SBTN) tungsten bronze relaxor ferroelectric ceramic is prepared and explored for potential energy storage applications. A high r
  • Publication Date: Jan. 15, 2023
  • Vol. 13 Issue 1 2242009 (2023)