Battery Expert Witnesses Comment on Electronic Cigarette Explosion

Joseph O'Neill

Written by
— Updated on October 10, 2017

Battery Expert WitnessThis case involves a woman who was carrying an e-cigarette that was operated by two lithium ion batteries, which underwent an explosive failure while in close contact with the Plaintiff’s leg. The cigarette, manufactured by a popular maker of electronic cigarettes and accessories, had been purchased by the Plaintiff from a specialty vaporizer shop a few weeks before the incident in question. While the Plaintiff was carrying the cigarette on her walk to work, the batteries exploded in her pocket, causing severe burns to her leg. It is alleged that the batteries and/or the electronic cigarette was defectively designed and manufactured, and that the Plaintiff was not warned of the risk of battery explosions.

Question(s) For Expert Witness

  • 1. Do you have knowledge about e-cigarettes and lithium ion batteries in specific regards to to e-cigarettes?
  • 2. Please explain your experience in the industry.

Expert Witness Response E-042632

I have over twenty years of experience in lithium ion batteries, ranging from R&D to production, to supply chain management and production process quality. I have conducted numerous failure analyses involving lithium-ion battery fires. I have also visited many lithium ion production factories that make lithium ion cells for e-Cigarettes. The batteries are frequently improperly designed by cramming too much energy into the batteries or devices. They cannot handle the current causing “thermal runaway” which results in a battery meltdown or explosion.

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