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4. Lithium manganese oxide battery

The material of manganese oxide lithium-ion batteries has certain advantages. It can ensure that the lithium ions in the positive electrode can be fully embedded in the negative electrode carbon pores under full charge, instead of leaving certain residues in the positive electrode like lithium cobalt oxide, which fundamentally prevents the occurrence of dendrites. In theory, this is the case, but in reality, If manganese oxide lithium-ion batteries are subjected to strong external forces or cut corners during the preparation process, it may cause the battery to instantly form lithium ions and move rapidly during the charging and discharging cycle. Dendrites are formed when the negative electrode does not have enough time to fully receive lithium ions. To prevent this consequence, it is necessary to ensure that the battery is tested at the factory. In short, qualified lithium manganese oxide batteries generally do not experience safety accidents. The stable structure of lithium manganese oxide makes its oxidation performance much lower than that of lithium cobalt oxide. Even if there is an external short circuit, it can basically prevent combustion and explosion caused by the precipitation of lithium metal.

The application of cobalt oxide lithium-ion batteries

After long-term development, lithium cobalt oxide batteries have formed four product lines: cylindrical batteries, polymer soft pack batteries, aluminum shell batteries, and steel shell batteries, which are respectively applied in the high-end, mid-range, and low-end markets.

1. The high-end application of cobalt oxide lithium-ion batteries is important for laptops, as laptops have high requirements for battery capacity and safety. Currently, only cylindrical cobalt oxide lithium-ion batteries with good consistency can meet the application requirements. However, the only manufacturers of cylindrical lithium-ion batteries that can be accepted by international laptop brand manufacturers are Sony, Sanyo, Samsung, and LG, Although many domestic manufacturers have been able to produce cylindrical lithium batteries in the past two years, it is difficult to enter international first tier factories.

2. The important mid-range customers of cobalt oxide lithium-ion batteries are first tier brand mobile phones, digital cameras, mobile DVDs, first tier brands Mp4, GpS, and digital photo frame manufacturers. The sales of lithium-ion batteries by the four major domestic lithium battery giants and other large-scale manufacturers are mainly concentrated in this field. For mobile phones, Mp4, and digital photo frames, first tier brands have much stricter quality requirements for lithium-ion batteries. However, at the same time, first tier brand customers have higher profits and more timely payments. These customers value the strength of battery companies and the quality of batteries more. The demand for cobalt oxide lithium-ion batteries in the mid-range market is mainly for soft pack batteries and aluminum shell batteries.

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