EV Li-on Battery Thermal Runaway Testing: ''ARC-type'' BTC
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Background

Background

While the thermal stability of normal (undamaged) batteries is of huge interest it is also important to determine how the results change under abnormal conditions or when if a batter is accidentally damaged &ampndash examples of this include:

Charging and discharging rates
Overcharging (voltage too high)
Shorting
Physical damage

If the battery is connected to a cycler (see image opposite), while placed in the BTC, changes in the battery temperature during charging/discharging cycles can be measured. The cycler can be programmed to repeat this operation for many days and thereby provide information about the longer term stability of the battery.