SiFAB™ by Unifrax Will Be Featured at The Battery Show North America

Backed by Clearlake Capital, Unifrax’s new proprietary battery technology provides promising results with real-world application testing

BUFFALO, N.Y.–(BUSINESS WIRE)–Unifrax, a leading manufacturer of high-performance specialty materials will feature their latest innovation, SiFAB™ Silicon Fiber Anode Battery Technology, at next week’s Battery Show in Novi, Michigan. Unifrax launched SiFAB earlier this year, and will feature the new silicon fiber technology during a technical presentation and exhibit during this year’s The Battery Show and Electric & Hybrid Vehicle Technology Expo at Suburban Collection Showplace, September 14-16.

Bruce Zoitos, senior scientist and manager, materials research, Unifrax, will present data obtained following advanced testing of SiFAB, which has demonstrated promising performance in multiple battery systems. SiFAB, uniquely structured for high-capacity performance, enables significantly higher energy density in lithium-ion battery systems and has successfully been tested with incremental Si loadings of greater than 40 percent. Zoitos will present these findings during a technical session on Wednesday, September 15 at 2:30 p.m. in the Crystal Room.

“Lithium-ion batteries are playing a pivotal role in our everyday life,” said Zoitos. “Along with greater energy density, SiFAB will provide faster charges and longer battery life for applications including electric vehicles, portable electronics, power tools, energy grid storage, and aerospace. With SiFAB, our recent testing shows our technology can provide a drop-in solution that can be incorporated as early as 2022, enabling better and longer-performing applications.”

The data, collected in part by Wildcat Discovery Technologies, and the Battery Innovation Center, support SiFAB’s promising performance with significantly higher capacity and fast charging capability in various electrode formulations.

According to advanced testing performed in 2021, SiFAB has demonstrated:

  • Reversible capacity greater than 1,000 mAh/g enabling gravimetric energy density improvement over graphite up to 20 percent
  • Robust performance in various electrode formulations which allows design flexibility to cell makers and OEMs
  • Proven high-rate charge and discharge performance up to 4C
  • Proven high temperature performance at 45°C
  • Stable cycling with high Si loadings and minimal volume expansion. Cycling of these batteries is ongoing
  • SiFAB drops into existing manufacturing process; SiFAB has been successfully applied in roll-to-roll processes in standard manufacturing scenarios

“After working with reputable battery labs and partners to test SiFAB, we’re excited to share SiFAB testing results at The Battery Show next week,” said Chad Cannan, senior vice president of research and development, Unifrax. “Our data shows SiFAB delivers strong performance in realistic cell conditions and real-world applications. With SiFAB’s promising performance, and Unifrax’s ability to scale up manufacturing with our first SiFAB manufacturing line being built at our Indiana manufacturing site now, our plan is on track for producing tens of metric tons in early 2022 with hundreds of metric tons capacity planned for 2023, making SiFAB a reality for customers,” said Cannan.

In addition to the SiFAB technical session with Bruce Zoitos, Unifrax will be available at booth #1431 during the 2021 Battery Show September 14-16, to discuss SiFAB technology with interested attendees.

To learn more about SiFAB, and to request a sample, visit

About Unifrax

Unifrax develops and manufactures high-performance specialty materials used in advanced applications, including high-temperature industrial insulation, electric vehicles, energy storage, filtration and fire protection, among many others. Unifrax products are designed with the ultimate goal of saving energy, reducing pollution and improving safety for people, buildings and equipment by delivering on our commitment to our customers of greener, cleaner, safer solutions for their application challenges. Unifrax has 37 manufacturing facilities operating in 12 countries and employs 2,700+ employees globally. More information is available at For updates, follow us on Twitter, LinkedIn and Facebook.

About Clearlake

Clearlake Capital Group, L.P. is a leading investment firm founded in 2006 operating integrated businesses across private equity, credit and other related strategies. With a sector-focused approach, the firm seeks to partner with experienced management teams by providing patient, long-term capital to dynamic businesses that can benefit from Clearlake’s operational improvement approach, O.P.S.® The firm’s core target sectors are industrials, technology and consumer. Clearlake currently has approximately $39 billion of assets under management, and its senior investment principals have led or co-led over 300 investments. The firm has offices in Santa Monica and Dallas. More information is available at and on Twitter @ClearlakeCap.


For Unifrax:

Deborah L. Myers

Global Marketing Communication Director

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