机械力作用对钴酸锂硫酸化焙烧产物的影响

Abstract

Abstract: Influence of mechanical ball mill on the sulfating roasting of LiCoO2 extracted from spent lithium ion battery is not clear at present.The mixtures of LiCoO2 and NaHSO4·H2O with different ratios were milled and roasted.The TG-DSC-MS results showed that ball milling treatment was beneficial to decrease roasting temperature.Roasted product after ball milling 0.5 h was composed of LiNaSO4，Na6Co（SO4）4，and Na2SO4.The SEM and EDS results showed that the roasting product had a dense tissue and irregular shape.Particle agglomeration was also observed.Distribution of O，S，Na，and Co elements was homogeneous in the roasting products.

Key words: spent lithium ion batteries, LiCoO2, recycling, mechanical ball mill, sulfating roasting

CLC Number:

TQ131.11

WANG Da-Hui, PENG Bo, CHEN Huai-Jing, WANG Yao-Jun, WEN Hao, CAO Du-Meng. Influence of mechanical force on sulphation roasting products of LiCoO2[J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(3): 20-.

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Inorganic Acid-Base-Salt Committee of CIESC

Influence of mechanical force on sulphation roasting products of LiCoO2

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