High-temperature lithium manganese dioxide battery is an important primary power source and is widely used in automotive tire pressure testing systems (TPMS) and medical instruments. Although my country is a major manufacturer of primary batteries, it is not in the field of high-end high-temperature primary lithium-ion batteries.

　　High-temperature lithium manganese dioxide battery is an important primary power source and is widely used in automotive tire pressure testing systems (TPMS) and medical instruments. Although my country is a major manufacturer of primary batteries, it is blank in the field of high-end high-temperature primary lithium-ion batteries. The lack of cathode materials suitable for high temperature use is one of the reasons limiting the development of high-temperature lithium manganese dioxide batteries. Above 100°C, the reaction between manganese dioxide and the electrolyte becomes increasingly intense, causing the electrolyte to analyze and generate a large amount of gas, and an inert oxide layer is formed on the surface of the manganese dioxide, resulting in increased ohmic polarization. All of this leads to lithium The performance of manganese dioxide batteries deteriorates at high temperatures and cannot work.

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