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Sagger for producing positive electrode material of lithium battery and preparation method of sagger
The invention relates to the technical field of refractory materials, and provides a sagger for producing a lithium battery positive electrode material and a preparation method of the sagger. Raw materials of the sagger comprise a main material and a binding agent, and the main material comprises the following components in percentage by weight based on 100% of the total weight of the main material: 12-17% of waste sagger particles, 22-27% of sintered mullite, 37-51% of electric smelting mullite, 10-15% of electric smelting zirconium mullite, 3-12% of synthetic sodium aluminate, 2-8% of emery powder and 2-6% of active alpha alumina powder; wherein the chemical formula of the synthesized sodium aluminate is Na2O. 11Al2O3. The crushed waste saggar is adopted as saggar aggregate, and the components such as sintered mullite, electric smelting mullite, electric smelting zirconium mullite and synthetic sodium aluminate are added, so that the erosion resistance and thermal shock resistance of the saggar are enhanced, the service life of the saggar is prolonged, and recycling of the waste saggar is realized.
本申请涉及耐火材料技术领域，提供了一种锂电池正极材料生产用匣钵及其制备方法。该匣钵的原料包括主材和结合剂，以主材的总重量为100％计，其主材包括如下重量百分含量的组分：废匣钵颗粒12～17％、烧结莫来石22～27％、电熔莫来石37～51％、电熔锆莫来石10～15％、合成铝酸钠3～12％、刚玉粉2～8％、活性α氧化铝粉2～6％；其中，合成铝酸钠的化学式为Na2O·11Al2O3。本申请采用经过破碎后的废匣钵作为匣钵骨料，通过加入烧结莫来石、电熔莫来石、电熔锆莫来石和合成铝酸钠等组分，增强匣钵的抗侵蚀性和抗热震性能，不仅提高了匣钵的使用寿命，而且实现了废匣钵的再利用。
Sagger for producing positive electrode material of lithium battery and preparation method of sagger
The invention relates to the technical field of refractory materials, and provides a sagger for producing a lithium battery positive electrode material and a preparation method of the sagger. Raw materials of the sagger comprise a main material and a binding agent, and the main material comprises the following components in percentage by weight based on 100% of the total weight of the main material: 12-17% of waste sagger particles, 22-27% of sintered mullite, 37-51% of electric smelting mullite, 10-15% of electric smelting zirconium mullite, 3-12% of synthetic sodium aluminate, 2-8% of emery powder and 2-6% of active alpha alumina powder; wherein the chemical formula of the synthesized sodium aluminate is Na2O. 11Al2O3. The crushed waste saggar is adopted as saggar aggregate, and the components such as sintered mullite, electric smelting mullite, electric smelting zirconium mullite and synthetic sodium aluminate are added, so that the erosion resistance and thermal shock resistance of the saggar are enhanced, the service life of the saggar is prolonged, and recycling of the waste saggar is realized.
本申请涉及耐火材料技术领域，提供了一种锂电池正极材料生产用匣钵及其制备方法。该匣钵的原料包括主材和结合剂，以主材的总重量为100％计，其主材包括如下重量百分含量的组分：废匣钵颗粒12～17％、烧结莫来石22～27％、电熔莫来石37～51％、电熔锆莫来石10～15％、合成铝酸钠3～12％、刚玉粉2～8％、活性α氧化铝粉2～6％；其中，合成铝酸钠的化学式为Na2O·11Al2O3。本申请采用经过破碎后的废匣钵作为匣钵骨料，通过加入烧结莫来石、电熔莫来石、电熔锆莫来石和合成铝酸钠等组分，增强匣钵的抗侵蚀性和抗热震性能，不仅提高了匣钵的使用寿命，而且实现了废匣钵的再利用。
Sagger for producing positive electrode material of lithium battery and preparation method of sagger
一种锂电池正极材料生产用匣钵及其制备方法
ZHAI PENGTAO (author)
2024-03-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
F27D
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