Superior energy storage properties in lead-free NaNbO3-based relaxor antiferroelectric ceramics via a combined optimization strategy

Author:

Liu Huanwei1,Niu Xiang1ORCID,Wang Ting2,Tang Yi1,Xu Zihao3ORCID,Lu Xubing3,Zhang Xiangbin4,Zeng Wenhan1,Xu Mingtao1,He Houzhu1,Jiang Yuleng1,Gong Weiping2,Zhao Xiaobo1,Yao Yingbang1,Tao Tao1ORCID,Liang Bo1,Lu Sheng-Guo1ORCID

Affiliation:

1. Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China

2. Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou, Guangdong, 516001, China

3. Institute for Advanced Materials, South China Academy of Advanced Optoelectronics and Guangdong Provincial Key Laboratory of Optical Information Materials, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China

4. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, and Institute for Advanced Materials, South China Normal University, Guangzhou 510006, China

Abstract

A stable relaxor AFE R phase in NaNbO3-based ceramics is achieved. An excellent Wrec of ∼11.09 J cm−3 and an η of ∼85.7% were realized at 1200 kV cm−1 for x = 0.30 thick film ceramic.

Funder

National Natural Science Foundation of China

National Natural Science Foundation of China-Guangdong Joint Fund

Natural Science Foundation of Guangdong Province

Publisher

Royal Society of Chemistry (RSC)

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