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This data is from the European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre.

Hydrogen Car Small Fire During Fueling
A hydrogen car caught fire at a hydrogen fuelling station. During refuelling of a H2-fueled car the owner heard an abnormal noise and opened the fuel filler door to investigate. A small fire then occurred after the owner discharged static electricity when making contact with the fuelling cap. Fortunately, the fire suppression system of the refuelling station quickly extinguished the blaze.An analysis of this incident revealed that material from the fuel inlet receptacle filter detached shortly after fuelling was completed. This allowed hydrogen fuel to leak from the receptacle into the fuel filler compartment.
Event Date
March 16, 2022
Record Quality Indicator
Region / Country
Event Initiating System
Classification of the Physical Effects
Nature of the Consequences
Cause Comments
The investigation revealed that the receptacle filter material can detach immediately after refueling and that this increases the risk of a fire. The ignition occurred after the owner discharged static electricity when making contact with the fueling cap. The automaker is only aware of one incident related to this fault and concluded that a supplier had used a prototype epoxy-bonded filter in place of the original laser-welded filter.
Facility Information
Application Type
Application
Specific Application Supply Chain Stage
Components Involved
hydrogen car, receptacle, refueling station
Storage/Process Medium
Location Type
Location description
Inhabited Area
Operational Condition
Pre-event Summary
The accident took place just after the end of the refueling.
Property Loss (onsite)
Affected component: left front bumper. EV-motor oil cooler
Lessons Learned
Lessons Learned
This is a case where the safety measures were in place and worked. (1) The fire was extinguished by the automatic fire fighting system of the station. (2) The car manufacturer performed a recall and replacement action and identified the cause. The relationship with tier 1 and 2 contractors seems to be the principal or root cause of the incident. It is unknown what corrective measure the car manufacturer took to avoid repetition.
Event Nature
Emergency Action
The fire suppression system of the refuelling station quickly extinguished the blaze.
Release Type
Release Substance
Hydrogen Release Concentration (%)
100.00
Ignition Source
Detonation
No
Deflagration
No
High Pressure Explosion
No
High Voltage Explosion
No
Source Category
References
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