釘くぎ刺さし試し験けん

noun

nail penetration test

A safety test for batteries where a nail is driven into the cell to check for fire or explosion. Technical term used in battery engineering and safety standards.

• リチウムイオン電でん池ちの安あん全ぜん性せいを確かく認にんするため、釘くぎ刺さし試し験けんが行おこなわれた。

  A nail penetration test was conducted to verify the safety of the lithium-ion battery.