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Celgard and C4V Enter into Exclusive Strategic Alliance Agreement for High-Voltage Lithium-Ion Batteries for Gigafactories

CHARLOTTE, N.C., Feb. 27, 2023 /PRNewswire/ — Celgard, LLC (Celgard), a subsidiary of Polypore International, LP, (Polypore) is pleased to announce that it has entered into a strategic alliance agreement with the technology company C4V lithium-ion batteries to advance the development of the next generation of high-voltage, high-performance battery cells.

Celgard and C4V will collaborate to develop separator solutions for the lithium-ion battery market optimized for C4V’s high-voltage bio-mineralized lithium mixed metal phosphate (BM-LMP) cathode material. This collaboration is part of C4V’s Supply Chain Partner program, through which the key needs of the battery industry are met and solutions are provided to the market. Celgard┬« Membrane Separators developed under the alliance are expected to gain access to all C4V member gigafactories. Celgard’s innovative separator could supply a cell manufacturing base with more than 150 GWh of cell production expected by 2030. These cell production centers are located in the United States, India and Australia, with additional facilities under development in other countries. places. Celgard is already a certified member of the C4V Supply Chain Partners program with a current generation of the Celgard┬« separator.

Stefan Reinartz, Celgard Vice President of the Lithium-Ion Electric Vehicle (EDV) and Energy Storage Systems (ESS) business, said: “We are pleased to partner with technology leader C4V to power Celgard dry-process battery separators. ┬« and develop innovative solutions for BM-LMP battery cells with them. C4V has proven that it can quickly jump-start high-precision battery manufacturing. Our alliance will pave the way for innovations that put affordable, energy-efficient batteries on the market. reach of those who urgently need them”.

Polypore’s parent company, Asahi Kasei, can also support C4V’s cell manufacturing franchise, which uses the same technology and suppliers, ensuring OEMs a robust source of cells and batteries less affected by environmental disturbances. or regional. Asahi Kasei sees the opportunity to leverage its diversified international manufacturing base to support the global needs of the BM-LMP supply chain for plastics and heat retardant materials.

Production of BM-LMP cells from the major C4V cell manufacturing franchise began in August 2022. The three existing franchises are expected to continue to expand to reach a total of 10 gigafactories by 2030. BM-LMP high-voltage battery cells LMPs achieve long cycle times and fast charging without using cobalt or nickel, reducing the risk posed by thermal runaway and uncertainties in the raw material supply of these elements.

About Celgard and Polypore Celgard specializes in dry-processed, coated and uncoated, solvent-free microporous membranes used as separators and a critical component of lithium-ion batteries. Celgard’s battery separator technology is important to the performance of lithium-ion batteries used in electric vehicles, energy storage systems and other applications.

Celgard, LLC is a wholly owned subsidiary of Polypore International, LP, an Asahi Kasei company.

Polypore is a global company with facilities in nine countries specializing in microporous membranes used in electric and non-electric vehicles, energy storage systems and specialty applications. Visit www.celgard.com and www.polypore.com.

About C4VC4V is a lithium-ion battery technology company with critical experience in optimizing battery performance and end-to-end gigafactory design. C4V’s discoveries have significantly extended battery life and charging performance, and its gigafactory design enables emerging economies to rapidly develop strong domestic manufacturing ecosystems. C4V coordinates with supply chain partners for industry-leading raw materials, consumables and equipment to bring fully optimized batteries to market, and its innovative energy storage technology is accelerating the global transition to electrification.

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