When cathode materials Fe, Cu, Cr, Ni, Zn, Ag metal impurities, such as battery voltage into the stage to the redox potential of metal elements, the metal will first in the positive oxidation to negative reduction, when the negative metal material accumulated to a certain extent, the deposition of metal hard edges will puncture the diaphragm, cause the battery discharge. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC Remove the iron from the cathode material (FE2O3).
Self-discharge has a fatal effect on lithium-ion batteries, so it is particularly important to prevent the introduction of metal foreign bodies from the source. There are many production processes of cathode materials, and every link in the manufacturing process will have the risk of introducing metal foreign bodies, which puts forward higher requirements for the automation degree of material PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC equipment and the on-site quality management level.
Material often due to the cost limit, the degree of equipment automation is low, production and manufacturing process breakpoints, the risk of uncontrollable increase. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC Remove the iron from the cathode material (FE2O3). Therefore, in order to ensure the stability of battery performance and prevent the occurrence of self-discharge, battery manufacturers must promote the introduction of metal foreign bodies from the five aspects of human, machine, material, method and ring.
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