Thermal BARRIER MATERIALs

Module-to-module cell-to-cell barrier materials

While a range of barrier materials are on the market, none completely address the full complexity of a thermal runaway event.

A successful mitigation strategy must address all the relevant threats to battery pack components.

  • Exposure to flame
  • Excessive heat transfer
  • Forceful ejection of particulates from compromised cells
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FLAME & THERMAL TRANSFER BARRIER PROPERTIES

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It is necessary that a barrier material restrict thermal transfer between battery components to prevent propagation during a thermal runaway event.

Common barrier materials may withstand exposure to open flame but fail to prevent thermal transfer for any meaningful duration.

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XTS Pouches, either alone or in conjunction with a barrier material, are necessary to meaningfully restrict the thermal transfer associated with a runaway event,
out-competing common barrier materials.

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Ejecta Barrier properties

During thermal runaway, a compromised cell will release gas and particulate ejecta at high velocity. A barrier material must be able
to withstand this ejecta, which is challenging for most common barrier materials.

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FR Silicone

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mica

The xts solution

The selection of barrier materials to protect your battery pack from thermal runaway propagation is a vital design consideration. XTS products’ unique ability to capture and remove heat from the system is a necessary component of any complete barrier solution. LHS can provide tailored solutions utilizing XTS alone or in combination with other materials to meet the most rigorous safety requirements.

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