Battery Safety
Automatic High-Voltage Disconnect and Pyrotechnic Fuse
How automatic and pyrotechnic devices isolate an EV high-voltage circuit after a collision.
EV Dictionary: Battery Safety
Browse electric vehicle terms and definitions related to Battery Safety. 8 terms
Battery Safety
Cell-to-Cell Thermal Propagation
The spread of a thermal failure from one battery cell to neighbouring cells or modules.
Battery Safety
High-Voltage Contactors and Pre-Charge Circuit
How EV contactors and pre-charge connect the battery while limiting uncontrolled inrush current.
Battery Safety
High-Voltage Interlock Loop (HVIL)
A low-voltage safety loop that detects opened or disconnected parts of an EV high-voltage system.
Battery Safety
High-Voltage System
The high-voltage system carries traction and charging energy through an EV's main electrical components.
Battery Safety
Insulation Monitoring
Monitoring that detects reduced electrical isolation between an EV high-voltage system and its chassis.
Battery Safety
Rechargeable Energy Storage System (REESS)
The regulatory term for the rechargeable system that supplies an EV with propulsion energy.
Battery Safety
Thermal Runaway
A self-accelerating failure inside a battery cell that generates heat faster than it can escape.