1. The reasons for the performance attenuation of lithium iron phosphate batteries in low temperature environments: There are two reasons for the decay of lithium iron phosphate battery at low temperature at low temperature. On the one hand, the internal resistance of the battery is increased at low temperature, making the current becomes smaller during charging, so The battery capacity is reduced; on the other hand, due to the higher degree of decomposition of active substances at low temperature, this is why the content of lithium iron phosphate battery active substances at low temperature in winter decreases, resulting in a decrease in the capacity of lithium iron phosphate battery. 2. The reasons for the performance attenuation of lithium iron phosphate batteries at low temperature: First, the quality of active substances decreases, and the other is that the reduction of active material content leads to a decrease in the response capacity. The internal resistance of the lithium battery increases, resulting in small current changes, decreased charging efficiency, and decreased battery capacity during charging. 3. The reasons for the attenuation of lithium iron phosphate batteries at low temperature: First, the decrease in the quality of lithium iron phosphate batteries at low temperature causes the current to change during charging, and the other is that the degree of decomposition of active substances at low temperatures will cause the current to become less current during charging. Essence

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