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CALCE  Battery  Research  Group

External Battery Fire Forces Emergency Flight Landing, February 26, 2020

A United Airlines plane, on its way to Nassau, Bahamas, from New Jersey, landed in Ohio after the crew put out the smoke and fire from the Lithium-ion batteries. The Li-ion batteries caught on fire while inside a passenger's bag.

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Vape Pen Explodes, Rips Away Chunk of Man's Face, Breaks Some Teeth, Lawsuit Says, April 7, 2019

MEMPHIS, Tenn. - Twenty-five-year-old David Bishop of Cordova was at home one morning last year when he decided to use an e-cigarette before going to work. He placed the device to his lips and pressed a button to start vaping.

Suddenly, a lithium battery inside the device exploded, a lawsuit alleges. The blast blew pieces of the e-cigarette into the man's face, breaking several teeth.


FDA Investigates Reports of Seizures After Vaping, April 3, 2019

After reports of seizures after vaping, the US Food and Drug Administration is alerting the public to a potential new risk and calling for people to come forward with cases the agency might not know about.

The FDA has identified 35 such cases of seizures -- particularly among younger users -- between 2010 and early 2019, it said in a statement Wednesday.


A Man Dies After His E-cigarette Explodes in His Face, February 5, 2019

A Texas man died of a massive stroke after the e-cigarette he was using exploded and tore his carotid artery.

The Tarrant County Medical Examiner's office says that William Brown died in a Fort Worth hospital on January 29 -- just weeks shy of his 25th birthday

Why Safer Vaping Devices that Don't Explode Will Not be Available in the U.S., October 22, 2018

The first vaping products designed to prevent fires and explosions — and safety-certified by UL — are scheduled to hit the market in a few weeks. While these redesigned electronic cigarettes will be available in Canada, they won’t be sold in the United States.

Pegasus Airlines Flight Makes Emergency Landing After E-cigarette Catches on Fire, October 2, 2018

Pegasus Airlines flight from Istanbul to Paris was forced to make an emergency landing Tuesday after smoke alarms went off in the airplane's cargo hold.

Following the alarm, pilots of the Boeing 737-8 performed an emergency landing at Zagreb Airport and all passengers were evacuated.

300 People Evacuated During Fire in Stella’s E-Bike Battery Warehouse, July 13, 2018

It is known that e-bike batteries do pose a risk of fire, but when a full e-bike warehouse goes up in flames you have a serious problem. Last Tuesday some 300 people living in the vicinity of the Stella e-bike and battery warehouse which was on fire had to be evacuated. People complaint about irritated eyes while the fire fighters were afraid of toxic smoke caused by the burning batteries.

Man Arrested Over Southgate Tube Station Explosion, June 20, 2018

Witnesses described smelling "burning rubber" and seeing "six-foot flames" at the entrance to Southgate Underground station in Enfield on Tuesday evening. Police believe the explosion was caused by a faulty drill battery. The man was held on suspicion of an act likely to cause an explosion to injure or damage property, and endangering safety on the railway. The station was shut and a cordon set up after the explosion occurred at about 19:00 BST. London Ambulance Service said they treated three people at the scene for minor injuries while two others were taken to hospital.

Vape Pen Explosion Kills Florida Man , May 17, 2018

A Florida man died when a vape pen exploded, sending fragments into his head and starting a fire that burned most of his body, an autopsy report has said.

The case is the first in the US where a vape pen has been held responsible. The report said Tallmadge D’Elia, 38, of St Petersburg, was killed on 5 May by a “projectile wound of the head” after the explosion sent two pieces of the vape pen into his cranium.

He also suffered burns on about 80% of his body. Firefighters found extensive fire damage in D’Elia’s bedroom, where his body was discovered, but minimal smoke, the report said.

Fire Breaks Out In Airplane’s Cabin After Power Bank Explodes , Feb 26, 2018

The video captured on a mobile phone showed a bag burning in an overhead compartment before it was put out by a quick-thinking air stewardess.

The flight attendant managed to successfully put out the fire when she threw a bottle of water into the flames. A passenger made sure the fire was properly extinguished by dousing the bag with another bottle of liquid.

Fortunately, the plane was still grounded when the incident happened, but it caused a three-hour delay.


The strides made over the past two decades of lithium ion battery commercialization have opened the door to many future opportunities. However, the technology surrounding lithium-ion batteries is still in its infancy and has room for improvement. This improvement can be realized through either development of new battery materials or through optimization of battery performance and reliability. CALCE has its projects spread across each of the above sections.

The CALCE lab provides extensive experience and state-of-the-art equipments for

  • Performance and Life Testing.
  • Failure analysis.
  • Measurement and Materials Characterization.
  • Environmental Conditioning/Accelerated Testing.

The CALCE Lab provides advanced Battery testing facilities. Lithium-ion batteries degrade as a result of usage or storage conditions, life cycle stresses, and the stability of the constituents of the cell (e.g., electrode materials, electrolyte). The degradation of a battery can be observed many different ways, both through non-destructive and destructive measurements. Testing facilities include:

  • Non-destructive electrical testing
  • Non-destructive structural testing
  • Destructive analysis and testing