Health Monitoring and Prediction of Cells in a Battery Module or Pack Under Operating Condition

The state of health of cells in a battery pack under operating condition is difficult to obtain through existing IEC and ISO standard methods under laboratory conditions. However, a cell state of health (SOH) profile shall be able to establish by the comparison of electro-impedance spectroscopy (EIS) generated statically versus dynamic operating data retrieved by battery management system (BMS) communication interface as fragments of EIS.

Arson Under the Christmas Tree

A rural mountain cottage fire was initially ruled as an accidental Christmas tree fire. The insurance company’s Special Investigation Unit discovered information that prompted further fire scene investigation. The scene investigation resulted in evidence that the fire was likely intentionally set.
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Fire Prevention

The best solution to fire - any fire - is to prevent fire in the first place.

Fire Enclosures

In our last issue, I discussed heating, pyrolysis, and combustion processes necessary for a fire to occur. I discussed that flame-retardant materials continue to burn in the presence of a heat source. I want to... Read More...

Electrically-Caused Fire

Probably the single most frequently occurring and most misunderstood issue in electronic product safety is electrically-caused fire. I thought I would review fire processes in plastics materials (the most common flammable construction material in electronic products).