Sagger

Abstract

The invention relates to a sagger. The sagger comprises an outer-layer base body and an inner-wall working layer; the outer-layer base body comprise one or more of the following main components: mullite, corundum, kaolin, Dong bluestone, potassium feldspar, fused quartz, andalusite and zirconium oxide; the inner-wall working layer comprises the following main components: tungsten carbide and / or tungsten nitride; and the inner-wall working layer covers the surface of an inner cavity of the outer-layer base body, and the covering area is 60%-100% of the surface area of the inner cavity of the outer-layer base body. According to the sagger, the functions of shaping and forming a framework are achieved through the outer-layer base body, the inner-wall working layer serves as the surface in direct contact with materials, the sagger has the advantages of being high in temperature tolerance and not prone to introducing impurities, and the quality and performance of products calcined in the sagger can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of battery material preparation devices, in particular to a sagger. Background technique [0002] The production process of battery materials must be sintered in a high-temperature kiln, and the sintering process of materials needs to be loaded in a sagger. [0003] Because the battery material contains alkaline metal elements or highly permeable elements, which are highly corrosive, the traditional sagger is easily corroded by the material during high-temperature sintering, and is prone to pulverization, fragmentation, and easy introduction of impurities. Problems such as make the sagger service life be shortened by this influence, can't reach use requirement. [0004] In view of the current problems of saggers such as corrosion resistance, service life, and stability of structural materials, it is of great significance to adopt new types of saggers with better performance for the production of battery mat...

AI Technical Summary

Problems solved by technology

[0003] Because the battery material contains alkaline metal elements or highly permeable elements, which are highly corrosive, the traditional sagger is easily corroded by the material during high-temperature sintering, and is prone to pulverization, fragmentation, and easy introduction of impurities. And other problems, so that the service life of the sagger is shortened by this, and it cannot meet the use requirements

[0004] In view of the current problems of saggers such as corrosion resistance, service life, and stability of structural materials, it is of great significance to adopt new types of saggers with better performance for the production of battery materials

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