BYD

Last updated February 1, 2026

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Thermally coupled pyrotechnic fuse: BYDRecent Research Landscape

Thermal runaway in high-voltage battery systems risks catastrophic vehicle failure, which is mitigated through rapid circuit interruption via pyrotechnic or heat-conductive fuse triggers. This ensures immediate isolation of faulty cells to prevent propagation and fire.

What technical problems is BYD addressing in Thermally coupled pyrotechnic fuse?

Uncontrolled thermal runaway propagation

(56)evidences

Localized overheating in high-density battery packs leads to catastrophic chain reactions across electrical distribution systems. Preventing rapid thermal spread ensures vehicle safety and equipment integrity.

Inadequate thermal fault response

(32)evidences

Standard overcurrent protection fails to trigger during localized overheating or thermal runaway events in high-power battery systems. Rapid thermal coupling ensures circuit interruption before catastrophic cell failure occurs.

Uncontrolled electrical fault propagation

(13)evidences

Standard mechanical breakers fail to disconnect high-voltage battery circuits fast enough during catastrophic surges. Rapidly isolating faults prevents thermal runaway and equipment destruction.