In simple terms, a battery is a store of energy. What is the ideal operating temperature for a battery? The difference between the two sensors can then be used to indicate potential battery health issues or failures in the attached circuits. Two temperature sensors can be deployed, one located on the negative terminal of the battery, and the other monitoring the ambient temperature. When normal operating conditions such as charging and battery load are applied the temperature should not rise more than around 3☌ above the ambient temperature. The increased battery temperature is usually manifested on the negative terminal of the battery. Where to monitor the battery temperature? At worst the battery cell can rupture, explode, leak chemicals or cause a fire. At best, some mechanical distortion or change in the chemical composition will occur, resulting in a costly battery replacement. If the battery temperature is not monitored and properly regulated, permanent damage can occur. Battery temperature monitoring can identify these faults, and alert in advance before a thermal runaway takes place. Common faults that result in elevated battery temperature are ground faults, shorted cells, poor ventilation or inadequate cooling, and lost regulation of charging. Share on LinkedIn Share Battery Temperature Monitoring Why is monitoring battery temperature important?įaults in a battery and its attached circuits can affect the temperature of the battery.
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