Samsung SDI announced on the 14th that its uninterruptible power supply (UPS) battery for artificial intelligence (AI) data centers has passed an indoor large-scale fire test administered by global safety certification organization UL Solutions. Samsung SDI explained that it is the first company in the world to pass this test, which UL Solutions introduced early this year to reflect real fire conditions.

A UPS is a core facility that supplies emergency power immediately when abnormalities such as blackouts occur in power supply, thereby maintaining the operation of AI data centers. Major global information technology (IT) companies are stipulating fire safety as an essential requirement when selecting AI data center suppliers.

The test forcibly induced thermal runaway in a module inside a battery rack and then checked whether the fire spread to adjacent systems. The ignited module was completely burned, but there was no fire propagation to surrounding racks, gas release, or explosion. The fire went out on its own even though the overhead sprinkler system did not activate.

Samsung SDI applied technology that prevents heat from spreading through its proprietary system architecture design. It stated that it has integrated its prismatic battery technologies, including lithium manganese oxide (LMO) material with high stability, aluminum enclosures with strong resistance to heat and impact, and vents serving as gas outlets. Leveraging the latest test results, Samsung SDI plans to accelerate its push into the AI data center and grid-scale energy storage system (ESS) markets.

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