Fire Suppression in Battery Energy Storage Systems: Why Immersion Cooling Offers a Safer Future

Matthew Ward | Source: Power | Posted 05/06/2025

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Battery Energy Storage Systems (BESS) are revolutionizing our power grids, dramatically enhancing resilience, and facilitating greater integration of renewable energy sources like solar and wind.

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Battery Energy Storage Systems (BESS) are transforming power grids by enhancing resilience and integrating renewable energy sources, but they also pose significant fire safety risks, particularly due to thermal runaway incidents in lithium-ion batteries. High-profile fires at facilities like Moss Landing and McMicken highlight the inadequacies of traditional fire suppression methods, necessitating a shift towards innovative solutions. Immersion cooling technology has emerged as a promising approach, effectively preventing ignition and controlling thermal events from the outset.

Immersion cooling involves submerging battery cells in a non-conductive dielectric fluid, which not only manages heat efficiently but also provides passive fire suppression by displacing oxygen and isolating failing cells. This method reduces the risk of thermal runaway and enhances the overall safety and sustainability of BESS installations. As traditional suppression methods struggle to address the unique challenges posed by lithium-ion fires, adopting immersion cooling systems like EticaAG's LiquidShield can significantly improve fire safety and operational reliability in energy storage systems.

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Source Link: https://www.powermag.com/fire-suppression-in-battery-energy-storage-systems-why-immersion-cooling-offers-a-safer-future/

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Fire Suppression in Battery Energy Storage Systems: Why Immersion Cooling Offers a Safer Future

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