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Sodium silver tantalate niobate lead-free antiferroelectric energy storage ceramic as well as preparation method and application thereof
The invention discloses silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic and a preparation method and application thereof, and belongs to the technical field of lead-free dielectric energy storage materials.Ag2O, Nb2O5, Ta2O5 and NaCO3 are mixed and subjected to ball milling treatment, then sequentially subjected to drying, grinding, sieving and presintering and naturally cooled to the room temperature, a PVA solution is added, the mixture is evenly mixed and then placed on a double-roll film rolling machine to be repeatedly rolled, and the silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic is obtained. And blanking a green body with a required size on a micro punching machine, drying the green body, placing the green body under a pure oxygen condition for degumming and sintering, cooling after sintering, and discharging to obtain the sintered ceramic chip. And grinding and polishing the ceramic wafer, and airing to finally form the silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic. The components and the process steps are simple. The preparation method is simple, easy to operate and good in repeatability, can be applied to dielectric capacitors and high-power pulse dielectric energy storage devices with high requirements on energy storage density and energy effectiveness, and has high economic value.
本发明公开了钽铌酸银钠无铅反铁电储能陶瓷及其制备方法和应用，属于无铅介电储能材料技术领域，将Ag2O，Nb2O5，Ta2O5和NaCO3混合球磨处理后，依次进行烘干、研磨、过筛、预烧，自然冷却到室温后，加入PVA溶液，混合均匀后放在双辊轧膜机上反复轧制，并在微型冲床上冲裁出所需大小的生胚，经过烘干后，将生胚置于纯氧条件下进行排胶，烧结，烧结结束后冷却，出炉得到烧结陶瓷片。将陶瓷片打磨、抛光后晾干，最终形成钽铌酸银钠无铅反铁电储能陶瓷。本发明的成分及工艺步骤简单。易于操作、重复性好，可应用于对储能密度和能量有效性有高要求的介电电容器及高功率脉冲介电储能器件上，具有高的经济价值。
Sodium silver tantalate niobate lead-free antiferroelectric energy storage ceramic as well as preparation method and application thereof
The invention discloses silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic and a preparation method and application thereof, and belongs to the technical field of lead-free dielectric energy storage materials.Ag2O, Nb2O5, Ta2O5 and NaCO3 are mixed and subjected to ball milling treatment, then sequentially subjected to drying, grinding, sieving and presintering and naturally cooled to the room temperature, a PVA solution is added, the mixture is evenly mixed and then placed on a double-roll film rolling machine to be repeatedly rolled, and the silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic is obtained. And blanking a green body with a required size on a micro punching machine, drying the green body, placing the green body under a pure oxygen condition for degumming and sintering, cooling after sintering, and discharging to obtain the sintered ceramic chip. And grinding and polishing the ceramic wafer, and airing to finally form the silver sodium tantalate niobate lead-free antiferroelectric energy storage ceramic. The components and the process steps are simple. The preparation method is simple, easy to operate and good in repeatability, can be applied to dielectric capacitors and high-power pulse dielectric energy storage devices with high requirements on energy storage density and energy effectiveness, and has high economic value.
本发明公开了钽铌酸银钠无铅反铁电储能陶瓷及其制备方法和应用，属于无铅介电储能材料技术领域，将Ag2O，Nb2O5，Ta2O5和NaCO3混合球磨处理后，依次进行烘干、研磨、过筛、预烧，自然冷却到室温后，加入PVA溶液，混合均匀后放在双辊轧膜机上反复轧制，并在微型冲床上冲裁出所需大小的生胚，经过烘干后，将生胚置于纯氧条件下进行排胶，烧结，烧结结束后冷却，出炉得到烧结陶瓷片。将陶瓷片打磨、抛光后晾干，最终形成钽铌酸银钠无铅反铁电储能陶瓷。本发明的成分及工艺步骤简单。易于操作、重复性好，可应用于对储能密度和能量有效性有高要求的介电电容器及高功率脉冲介电储能器件上，具有高的经济价值。
Sodium silver tantalate niobate lead-free antiferroelectric energy storage ceramic as well as preparation method and application thereof
钽铌酸银钠无铅反铁电储能陶瓷及其制备方法和应用
19.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
H01G
Kondensatoren
,
CAPACITORS
| Europäisches Patentamt | 2020
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| Europäisches Patentamt | 2020