New Battery Separator from Porous Power Significantly Reduces Risk of Thermal Runaway

U.S.-based Porous Power Technologies, LLC (PPT) announces the launch of a line of ceramic-filled battery separators designed to significantly improve the thermal stability and safety of the large-format lithium-ion batteries used in electric vehicles, flat-cell consumer electronics, and many high-power applications.

At high temperatures that can cause other separators to fail, PPT’s ceramic-filled polymer separators fuse together, leaving a thin film of ceramic particles between the electrodes and reducing the likelihood of hard shorts that can lead to thermal runaway and catastrophic cell failure.

Unlike dense ceramic coatings applied as a separate layer on competing separators, PPT’s products contain ceramic particles that are thoroughly distributed throughout their chemically inert PVDF polymer. The particles reside primarily in the pore walls, leaving a large and uniform open pore structure that enables ions to pass through with less resistance and less heat generation.

Other benefits of PPT’s ceramic separators include:

  • More power in high-current applications
  • Reduced separator shrinkage
  • Increased thermal stability with less cell degradation
  • Extended cycle life
  • Higher bake-out and operating temperatures
  • Improved puncture and abuse resistance

SYMMETRIX ceramic-filled battery separators are available in a variety of thicknesses to enable many cell configurations and designs. For more information or to arrange a trial, contact Bernard Perry at (001) 720-890-4888 or support@porouspower.com.

About Porous Power

Porous Power Technologies, LLC (www.porouspower.com and http://twitter.com/PorousPower) makes electrode separators that reduce the cost and improve the safety, performance, efficiency and life of lithium-ion batteries, particularly large-format cells for electric vehicles, stationary power and consumer electronics applications.

Contacts:

Porous Power Technologies, LLC
Mr. Bernard Perry, +001-720-890-4888
Chief Business Development Officer
bperry@porouspower.com
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