EV Safety · 5 min read
Can Electric Cars Catch Fire?
Battery fires are one of the biggest concerns people mention when discussing electric cars. We explain how EV fires happen, why they are different and what safety systems exist.
A petrol fire is like a bucket of fuel igniting. A battery fire is more like a chain reaction travelling through connected cells.
How lithium-ion battery fires happen
Batteries store a lot of energy in a small space. If a cell is damaged, overheats or has a manufacturing fault, it can release that energy quickly. Neighbouring cells can be affected too, which is why a battery fire looks and behaves differently to a fuel fire.
Thermal runaway explained
Thermal runaway is the technical term for one hot cell heating its neighbours until they also fail. Battery management systems are specifically designed to detect early warning signs — voltage spikes, temperature changes — and isolate problem cells before it spreads.
Why EV fires attract attention
Petrol car fires happen every day and rarely make the news. EV fires are still relatively unusual, so each one gets reported. The perception of risk can be much larger than the actual statistical risk.
How manufacturers improve safety
- ✓Physical armour around the battery pack
- ✓Cell-level fuses that isolate problem areas
- ✓Cooling systems that keep cells within a safe temperature range
- ✓Constant monitoring by the battery management system
- ✓Ongoing improvements in cell chemistry and construction
EV batteries contain sophisticated systems that monitor temperature and performance thousands of times every second.
The useful question isn't 'Can EVs catch fire?' but 'How likely is it and how safe is the technology becoming?'