The development history and prospects of sintering kilns for cathode materials of lithium-ion batteries
With the rapid development of new energy vehicles in the world,the lithium-ion battery industry has become a key area of industrial development in China,of which the production of lithium-ion battery materials is one of the most important links in the upstream industry.The production process of cathode material has important influence on the specific capacity,discharge platform,cycle performance and safety of the lithium-ion batteries.The current production process of cathode materials inevitably includes the solid-state reaction process of sintering.As the most important equipment in the solid-state reaction stage of cathode materials,the development of sintering kilns will have a profound impact on the performance and cost of lithium-ion battery products.This paper focuses on lithium iron phosphate and ternary materials which are commonly used as cathode materials for lithium-ion batteries,discusses the development history of sintering kilns in lithium-ion battery industry and considerations of supply and demand,and summarizes the existing problems and development direction of sintering kilns.
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