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Direct Measurement of Enhanced Electrocaloric Effect in Mn 2+ Doped Lead-Free Ba(ZrTi)O 3 Ceramics

18 Pages Posted: 27 Aug 2019 First Look: Accepted

See all articles by Hao-Xuan Li

Hao-Xuan Li

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

Xiao-Dong Jian

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices; Dongguan South China Design Innovation Institute

Xiang Niu

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

Ying-Bang Yao

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices; Dongguan South China Design Innovation Institute

Tao Tao

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices; Dongguan South China Design Innovation Institute

Bo Liang

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices; Dongguan South China Design Innovation Institute

Sheng-Guo Lu

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter; Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices; Dongguan South China Design Innovation Institute

Abstract

The manganese doped barium zirconate titanate ceramics (Ba(ZrxMnyTi1-x-y)O3-BZMT) ceramics with x= 0.15, 0.20 and y=0, 0.0025, 0.0050, 0.0075, 0.0100, 0.0250, 0.0500 were prepared using an oxide reaction approach. The adiabatic temperature change was measured directly. Results revealed that by adjusting the nonequivalent Mn2+ ionic concentration within 0.25% to 0.75%, desired dielectric performances with high permittivities and lower losses were obtained. The polarization was increased with the doping content of Mn2+ ions. The largest electrocaloric temperature change obtained is 2.35 K for Ba(Zr0.15Mn0.0025Ti0.8475)O3 ceramics at 62°C, and a broad temperature range of ~ 40°C was accompanied.

Keywords: Manganese doped barium zirconate titanate, Permittivity, Dielectric loss, Polarization, Electrocaloric effect

Suggested Citation

Li, Hao-Xuan and Jian, Xiao-Dong and Niu, Xiang and Yao, Ying-Bang and Tao, Tao and Liang, Bo and Lu, Sheng-Guo, Direct Measurement of Enhanced Electrocaloric Effect in Mn 2+ Doped Lead-Free Ba(ZrTi)O 3 Ceramics (2019). Available at SSRN: https://ssrn.com/abstract=3441990

Hao-Xuan Li (Contact Author)

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Xiao-Dong Jian

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Dongguan South China Design Innovation Institute

China

Xiang Niu

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Ying-Bang Yao

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Dongguan South China Design Innovation Institute

China

Tao Tao

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Dongguan South China Design Innovation Institute

China

Bo Liang

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices

China

Dongguan South China Design Innovation Institute

China

Sheng-Guo Lu

Guangdong University of Technology - Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter ( email )

China

Guangdong University of Technology - Guangdong Provincial Research Center on Smart Materials and Energy Conversion Devices ( email )

China

Dongguan South China Design Innovation Institute ( email )

China

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