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Non-filled strontium barium niobate-based high-entropy ferroelectric energy storage ceramic material and preparation method thereof
The invention discloses a non-filled strontium barium niobate-based high-entropy ferroelectric energy storage ceramic material, the structural formula of which is (Sr < 0.5 > Ba < 0.47 > Gd < 0.02 >) Nb < 1.5 > M < 0.5 > O6, and M is one of Ta < 1/3 > Sb < 1/3 > Hf < 1/3 >, Ta < 0.25 > Sb < 0.25 > Ti < 0.25 > Zr < 0.25 >, Ta < 0.2 > Sb < 0.2 > Ti < 0.2 > Zr < 0.2 > Hf < 0.2 >, Ta < 0.2 > Sb < 0.2 > Sn < 0.2 > Zr < 0.2 > Hf < 0.2 >. The invention also discloses a preparation method of the high-entropy ferroelectric energy storage ceramic material, which comprises the following steps: weighing a precursor raw material, carrying out ball milling, drying, pre-sintering the obtained mixture, granulating the pre-sintered powder, sieving, tabletting, discharging glue, and sintering, thereby obtaining the high-entropy ferroelectric energy storage ceramic material. The high-entropy ferroelectric energy storage ceramic material disclosed by the invention is not broken down under the action of a 550kV/cm external electric field, has relatively high energy storage density and energy storage efficiency, and meets the requirements of advanced pulse power capacitors.
本发明公开了非充满型铌酸锶钡基高熵铁电储能陶瓷材料，其结构式为(Sr0.5Ba0.47Gd0.02)Nb1.5M0.5O6，M为Ta1/3Sb1/3Hf1/3、Ta0.25Sb0.25Ti0.25Zr0.25、Ta0.2Sb0.2Ti0.2Zr0.2Hf0.2、Ta0.2Sb0.2Sn0.2Zr0.2Hf0.2中的一种。本发明还公开了高熵铁电储能陶瓷材料的制备方法，称取前驱体原料，球磨，干燥，将得到的混合物预烧，将预烧粉进行造粒，过筛，压片，排胶，烧结，即可。本发明的高熵铁电储能陶瓷材料在550kV/cm外加电场作用下不被击穿，具有较高的储能密度和储能效率，满足先进脉冲功率电容器的需求。
Non-filled strontium barium niobate-based high-entropy ferroelectric energy storage ceramic material and preparation method thereof
The invention discloses a non-filled strontium barium niobate-based high-entropy ferroelectric energy storage ceramic material, the structural formula of which is (Sr < 0.5 > Ba < 0.47 > Gd < 0.02 >) Nb < 1.5 > M < 0.5 > O6, and M is one of Ta < 1/3 > Sb < 1/3 > Hf < 1/3 >, Ta < 0.25 > Sb < 0.25 > Ti < 0.25 > Zr < 0.25 >, Ta < 0.2 > Sb < 0.2 > Ti < 0.2 > Zr < 0.2 > Hf < 0.2 >, Ta < 0.2 > Sb < 0.2 > Sn < 0.2 > Zr < 0.2 > Hf < 0.2 >. The invention also discloses a preparation method of the high-entropy ferroelectric energy storage ceramic material, which comprises the following steps: weighing a precursor raw material, carrying out ball milling, drying, pre-sintering the obtained mixture, granulating the pre-sintered powder, sieving, tabletting, discharging glue, and sintering, thereby obtaining the high-entropy ferroelectric energy storage ceramic material. The high-entropy ferroelectric energy storage ceramic material disclosed by the invention is not broken down under the action of a 550kV/cm external electric field, has relatively high energy storage density and energy storage efficiency, and meets the requirements of advanced pulse power capacitors.
本发明公开了非充满型铌酸锶钡基高熵铁电储能陶瓷材料，其结构式为(Sr0.5Ba0.47Gd0.02)Nb1.5M0.5O6，M为Ta1/3Sb1/3Hf1/3、Ta0.25Sb0.25Ti0.25Zr0.25、Ta0.2Sb0.2Ti0.2Zr0.2Hf0.2、Ta0.2Sb0.2Sn0.2Zr0.2Hf0.2中的一种。本发明还公开了高熵铁电储能陶瓷材料的制备方法，称取前驱体原料，球磨，干燥，将得到的混合物预烧，将预烧粉进行造粒，过筛，压片，排胶，烧结，即可。本发明的高熵铁电储能陶瓷材料在550kV/cm外加电场作用下不被击穿，具有较高的储能密度和储能效率，满足先进脉冲功率电容器的需求。
Non-filled strontium barium niobate-based high-entropy ferroelectric energy storage ceramic material and preparation method thereof
非充满型铌酸锶钡基高熵铁电储能陶瓷材料及制备方法
YANG BIAN (author) / SUN SHAODONG (author) / LYU JIELI (author) / CUI JIE (author)
2024-03-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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