Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material
The invention discloses a thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material which is prepared from the following components in parts by weight: 60-80 parts of silicon nitride, 30-45 parts of boron nitride, 15-25 parts of boron carbide, 5-15 parts of lithium oxide, 5-12 parts of aluminum oxide, 2-7 parts of sodium silicate, 3-10 parts of sodium oxide and 1-5parts of lanthanum oxide, wherein all the components are powder with the average particle size of 10-50nm; silicon nitride, boron nitride and boron nitride are adopted as base materials, so that the ceramic material has the advantages of being good in compressive strength and high in thermal shock resistance; and meanwhile, lithium oxide, aluminum oxide, sodium silicate, sodium oxide and lanthanumoxide are added as additives, and particularly, a small amount of lanthanum oxide is added, so that the energy storage density of the ceramic material can be remarkably improved. The energy storage density of the thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material can reach 900 kJ/g or above; and the reduction amplitude of the compressive strength after 30 times of thermal shock is less than 5%.
本发明公开了一种抗热震高储能密度太阳能储能陶瓷材料，由以下重量份的成分组成：氮化硅60‑80份、氮化硼30‑45份、碳化硼15‑25份、氧化锂5‑15份、氧化铝5‑12份、硅酸钠2‑7份、氧化钠3‑10份和氧化镧1‑5份。以上各成分均为平均粒径10‑50nm的粉末；其中本发明采用氮化硅、氮化硼和氮化硼为基材，具有抗压强度为好，抗热震能力强的优点，同时加入氧化锂、氧化铝、硅酸钠、氧化钠和氧化镧为添加剂，尤其是加入少量的氧化镧可以显著提升陶瓷材料的储能密度。本发明的抗热震高储能密度太阳能储能陶瓷材料的储能密度可以达到900 kJ/g以上；30次热震后抗压强度的下降的幅度小于5%。
Thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material
The invention discloses a thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material which is prepared from the following components in parts by weight: 60-80 parts of silicon nitride, 30-45 parts of boron nitride, 15-25 parts of boron carbide, 5-15 parts of lithium oxide, 5-12 parts of aluminum oxide, 2-7 parts of sodium silicate, 3-10 parts of sodium oxide and 1-5parts of lanthanum oxide, wherein all the components are powder with the average particle size of 10-50nm; silicon nitride, boron nitride and boron nitride are adopted as base materials, so that the ceramic material has the advantages of being good in compressive strength and high in thermal shock resistance; and meanwhile, lithium oxide, aluminum oxide, sodium silicate, sodium oxide and lanthanumoxide are added as additives, and particularly, a small amount of lanthanum oxide is added, so that the energy storage density of the ceramic material can be remarkably improved. The energy storage density of the thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material can reach 900 kJ/g or above; and the reduction amplitude of the compressive strength after 30 times of thermal shock is less than 5%.
本发明公开了一种抗热震高储能密度太阳能储能陶瓷材料，由以下重量份的成分组成：氮化硅60‑80份、氮化硼30‑45份、碳化硼15‑25份、氧化锂5‑15份、氧化铝5‑12份、硅酸钠2‑7份、氧化钠3‑10份和氧化镧1‑5份。以上各成分均为平均粒径10‑50nm的粉末；其中本发明采用氮化硅、氮化硼和氮化硼为基材，具有抗压强度为好，抗热震能力强的优点，同时加入氧化锂、氧化铝、硅酸钠、氧化钠和氧化镧为添加剂，尤其是加入少量的氧化镧可以显著提升陶瓷材料的储能密度。本发明的抗热震高储能密度太阳能储能陶瓷材料的储能密度可以达到900 kJ/g以上；30次热震后抗压强度的下降的幅度小于5%。
Thermal-shock-resistant high-energy-storage-density solar energy storage ceramic material
一种抗热震高储能密度太阳能储能陶瓷材料
JIANG QINGLIN (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Solar energy storage ceramic material with high energy storage density
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