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Influencing factor
- Jul 26, 2018 -

1. Influence of temperature on lithium iron phosphate battery

The effect of temperature on lithium iron phosphate batteries is much smaller than that of lead-acid batteries, especially in the case of discharge. For the temperature characteristics test of two types of batteries of the same specification, the lithium iron phosphate battery is 20% higher than the sealed valve controlled lead acid battery. Due to the electrochemical properties of the lithium iron phosphate material itself, the low temperature charging performance of the battery is slightly poor, and the charging temperature is required to be higher than 0 ° C, otherwise the irreversible capacity of the battery will increase as the temperature decreases. The lithium iron phosphate battery can still be circulated and charged well under the environment of about 55 °C.


2. Effect of rest floating charge on lithium iron phosphate battery

Since the electrolyte of the lithium iron phosphate battery is an organic liquid, and the lithium metal is very active, the battery must be sealed. The battery generates almost no gas under normal charging and discharging conditions, and even if the battery is in an intermittent floating state for a long time, the battery does not generate a high pressure inside. In addition, the backup power supply of the communication base station is in a floating state for a long time, and the voltage of the battery is intermittently charged at about 3.65 V for a long time. This voltage is relatively stable for both the battery plate and the electrolyte, so the lithium iron phosphate battery is very suitable for communication base stations.