It can be seen from the practical results that Ni-based materials, especially NCA materials, will have rapid side reactions with PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC treatment electrolyte, and the initial gas production behavior of materials may be related to the surface characteristics of NCA and NCM materials. First-principles calculations show that there are more Shawkett defects in the crystals of the Ni-based materials than in the LCO materials, resulting in vacancy within the crystals to form Li-O compounds, which react further with water vapor or CO2 to form impurities such as LiOH and Li2CO3.
The content of LiOH and Li2CO3 impurities on the surface of the three materials shows that compared with LCO materials, the content of LiOH and Li2CO3 impurities on the surface of NCA and NCM materials is higher, especially the content of impurities on the surface of NCA materials can reach 8-10 times that of LCO materials. PTMS are required for LITHIUM COBALT ACID MATERIAL MAGNETIC removal of impurities.
As the content of LiOH and Li2CO3 impurities on the surface of NCA and NCM materials is significantly higher than that of LCO materials, the author believes that the rapid gas production in the early stage of high-temperature storage of NCA and NCM materials is mainly influenced by the impurities on the surface of the two materials. To verify this idea, the NCM MATERIAL was mixed with 5% Li2CO3 powder and stored at high temperature after removal of impurities by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC.
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