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Lead-free energy storage dielectric ceramic material with tungsten bronze structure and high energy storage density and power density
The invention discloses a lead-free energy storage dielectric ceramic material with a tungsten bronze structure and high energy storage density and power density, and belongs to the technical field of electronic information functional materials and devices. The ceramic material is A < 2-3x > R < 2 > x > BNb < 5-y > TayO15, A is one of Sr and Ba, R is one or more of La, Nd, Sm, Gd, Dy, Ho, Er and Y, B is one of K and Na, 0.02 < = x < = 0.2, and 0 < = y < = 5. The dielectric ceramic material disclosed by the invention has excellent performance: the relative dielectric constant epsilon r is 900-2000, the dielectric loss is 5 * 10 <-4 >-6 * 10 <-3 >, the direct current dielectric strength is 28-60kV/mm, the energy storage density is up to 2.8 J/cm < 3 >, the energy storage efficiency is up to 95.6%, and the power density is more than 60MW/cm < 3 >; the performance is stable, the preparation process is simple, and the application requirements of modern energy storage components can be met.
一种钨青铜结构高储能密度及功率密度无铅储能介质陶瓷材料，属于电子信息功能材料与器件技术领域。该陶瓷材料为A2‑3xR2xBNb5‑yTayO15，A为Sr、Ba中的一种，R为La、Nd、Sm、Gd、Dy、Ho、Er、Y中的一种或几种，B为K、Na中的一种，0.02≤x≤0.2，0≤y≤5。本发明介质陶瓷材料具有优异的性能：相对介电常数εr900～2000之间，介电损耗5×10‑4～6×10‑3之间，直流抗电强度28～60kV/mm之间，储能密度最高达2.8J/cm3，储能效率最高达95.6％，功率密度在60MW/cm3以上；性能稳定，制备工艺简单，能够满足现代储能元器件的应用需求。
Lead-free energy storage dielectric ceramic material with tungsten bronze structure and high energy storage density and power density
The invention discloses a lead-free energy storage dielectric ceramic material with a tungsten bronze structure and high energy storage density and power density, and belongs to the technical field of electronic information functional materials and devices. The ceramic material is A < 2-3x > R < 2 > x > BNb < 5-y > TayO15, A is one of Sr and Ba, R is one or more of La, Nd, Sm, Gd, Dy, Ho, Er and Y, B is one of K and Na, 0.02 < = x < = 0.2, and 0 < = y < = 5. The dielectric ceramic material disclosed by the invention has excellent performance: the relative dielectric constant epsilon r is 900-2000, the dielectric loss is 5 * 10 <-4 >-6 * 10 <-3 >, the direct current dielectric strength is 28-60kV/mm, the energy storage density is up to 2.8 J/cm < 3 >, the energy storage efficiency is up to 95.6%, and the power density is more than 60MW/cm < 3 >; the performance is stable, the preparation process is simple, and the application requirements of modern energy storage components can be met.
一种钨青铜结构高储能密度及功率密度无铅储能介质陶瓷材料，属于电子信息功能材料与器件技术领域。该陶瓷材料为A2‑3xR2xBNb5‑yTayO15，A为Sr、Ba中的一种，R为La、Nd、Sm、Gd、Dy、Ho、Er、Y中的一种或几种，B为K、Na中的一种，0.02≤x≤0.2，0≤y≤5。本发明介质陶瓷材料具有优异的性能：相对介电常数εr900～2000之间，介电损耗5×10‑4～6×10‑3之间，直流抗电强度28～60kV/mm之间，储能密度最高达2.8J/cm3，储能效率最高达95.6％，功率密度在60MW/cm3以上；性能稳定，制备工艺简单，能够满足现代储能元器件的应用需求。
Lead-free energy storage dielectric ceramic material with tungsten bronze structure and high energy storage density and power density
钨青铜结构高储能密度及功率密度无铅储能介质陶瓷材料
YUAN YING (Autor:in) / CAO LEI (Autor:in) / TANG BIN (Autor:in) / ZHONG CHAOWEI (Autor:in) / ZHANG SHUREN (Autor:in)
26.04.2022
Patent
Elektronische Ressource
Chinesisch
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