The gas production behavior of LCO, NCM and NCA materials in the storage process at 85℃, it can be seen that the gas production behavior of the three materials in the removal of iron by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC at 85℃ is almost exactly the same as that at 60℃, but the gas production speed is faster. It can be seen from the gas production curve that pure Li2CO3 powder is added to the electrolyte, and gas production is rapid at the initial stage of storage. The gas composition produced is mainly CO2.
In addition to the NCM MATERIAL PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC treatment Li2CO3 powder gas production also greatly increased, the gas produced is 66% CO2 and 32% CO, pure NCM material in the electrolyte less gas, 32% CO2. 59% is CO, which indicates that LiOH and Li2CO3 impurities on the surface of Ni-based materials are the main cause of gas production at the initial stage of high temperature storage. Meanwhile, NCM materials themselves will have side reactions with electrolyte to produce CO gas.
However, it is still unclear whether the reaction of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC for iron removal only produces CO or whether it produces CO and CO2 at the same time. In a nutshell, the higher the first number, the farther you travel, but the higher the cost and the lower the safety; The higher the last number, the closer the run, and the cheapest.
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