Symmetrix HPX-F Battery Separator from Porous Power Enhances Lithium Ion Battery Safety, Earns R&D 100 Award


award

PLYMOUTH MEETING, PA--July 12, 2013: R&D Magazine has recognized Porous Power Technologies, LLC, for its ground-breaking work to improve the safety of the large-format lithium-ion batteries used in electric vehicles, low-profile consumer electronics, and high-power applications. The award-winning product, Porous Power's SYMMETRIX® HPX-F ceramic-filled separator, significantly improves a battery's thermal stability and reduces the risk of catastrophic cell failure.

“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.”

Developed in collaboration with Oak Ridge National Laboratory and launched earlier this year, SYMMETRIX HPX-F also boosts cell performance and enables cells to cycle much longer than those with conventional separators.

"Instead of applying a dense ceramic coating to a separator, we thoroughly distribute ceramic particles throughout a highly porous, chemically inert PVDF polymer membrane," explains Bernard Perry, Porous Power's Chief Business Development Officer. "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."

SYMMETRIX benefits include:

  • Reduced likelihood of hard shorts
  • More power in high-current applications
  • Improved puncture and abuse resistance
  • Far less separator shrinkage
  • Increased thermal stability with less cell degradation
  • Major improvement in cycle life performance
  • Higher bake-out and operating temperatures
  • Enhanced overall thermal stability

The R&D 100 Awards highlight "the 100 most technologically significant products introduced into the marketplace over the past year," according to the magazine's editors.

Porous Power's Managing Director Michael Pender notes, "Our team is very proud of this award, which validates what our partners are seeing in their applications. We greatly appreciate the outstanding work done by Oak Ridge National Laboratory in connection with this product development effort."

SYMMETRIX ceramic-filled battery separators are available in a variety of thicknesses to enable many cell configurations and designs.

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