PMID- 37531460 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20230816 IS - 1944-8252 (Electronic) IS - 1944-8244 (Linking) VI - 15 IP - 32 DP - 2023 Aug 16 TI - Outstanding Energy Storage Performance of NBT-Based Ceramics under Moderate Electric Field Achieved via Antiferroelectric Engineering. PG - 38633-38643 LID - 10.1021/acsami.3c08791 [doi] AB - Ultrahigh energy-storage performance of dielectric ceramic capacitors is generally achieved under high electric fields (HEFs). However, the HEFs strongly limit the miniaturization, integration, and lifetime of the dielectric energy-storage capacitors. Thus, it is necessary to develop new energy-storage materials with excellent energy-storage densities under moderate electric fields (MEFs). Herein, the antiferroelectric material Ag(0.9)Ca(0.05)NbO(3) (ACN) was used to modify the relaxor ferroelectric material 0.6Na(0.5)Bi(0.5)TiO(3)-0.4Sr(0.7)Bi(0.2)TiO(3) (NBT-SBT). The introduction of ACN results in high polarization strength, regulated composition of rhombohedral (R3c) and tetragonal (P4bm), nanodomains, and refined grain size. An outstanding recoverable energy density (W(rec) = 4.6 J/cm(3)) and high efficiency (eta = 82%) were realized under an MEF of 260 kV/cm in 4 mol % ACN-modified NBT-SBT ceramic. The first-principles calculation reveals that the interaction between Bi and O is the intrinsic mechanism of the increased polarization. A new parameter DeltaP/E(b) was proposed to be used as the figure of merit to measure the energy-storage performance under MEFs ( approximately 200-300 kV/cm). This work paves a new way to explore energy-storage materials with excellent-performance MEFs. FAU - Cao, Wenjun AU - Cao W AUID- ORCID: 0000-0002-4369-1548 AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. FAU - Li, Li AU - Li L AUID- ORCID: 0000-0003-1169-3394 AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. FAU - Zhao, Hanyu AU - Zhao H AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. FAU - Wang, Changyuan AU - Wang C AUID- ORCID: 0009-0003-3822-7200 AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. FAU - Liang, Cen AU - Liang C AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. FAU - Li, Feng AU - Li F AD - Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, China. FAU - Huang, Xuechen AU - Huang X AD - School of Material and Chemical Engineering, Chuzhou University, Chuzhou 239000, China. FAU - Wang, Chunchang AU - Wang C AUID- ORCID: 0000-0002-2349-1098 AD - Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China. LA - eng PT - Journal Article DEP - 20230802 PL - United States TA - ACS Appl Mater Interfaces JT - ACS applied materials & interfaces JID - 101504991 SB - IM OTO - NOTNLM OT - Na0.5Bi0.5TiO3 OT - antiferroelectric material OT - energy storage parameter OT - energy storage performance OT - moderate electric fields EDAT- 2023/08/02 19:15 MHDA- 2023/08/02 19:16 CRDT- 2023/08/02 14:23 PHST- 2023/08/02 19:16 [medline] PHST- 2023/08/02 19:15 [pubmed] PHST- 2023/08/02 14:23 [entrez] AID - 10.1021/acsami.3c08791 [doi] PST - ppublish SO - ACS Appl Mater Interfaces. 2023 Aug 16;15(32):38633-38643. doi: 10.1021/acsami.3c08791. Epub 2023 Aug 2.