Its role Owner
ENTEK Technology Holdings LLC, operating as ENTEK, is a U.S.-based manufacturer of battery separators and production equipment, headquartered in Lebanon, Oregon. Founded in 1984, the company specializes in microporous separators for lead-acid and lithium-ion batteries, utilizing its proprietary wet-process technology. It is recognized as the only U.S.-owned and U.S.-based producer of wet-process lithium-ion battery separator materials.
ENTEK's products support applications in electric vehicles, energy storage systems, consumer electronics, data centers, and industrial batteries. The company maintains a vertically integrated structure, designing and manufacturing twin-screw extruders, material handling systems, and related equipment in-house. It operates facilities across the United States, United Kingdom, Indonesia, Japan, and China, selling products on six continents.
ENTEK is expanding its U.S. lithium-ion separator capacity with a major new plant in Terre Haute, Indiana, financed in part by a $1.3 billion loan from the U.S. Department of Energy. In 2025, I Squared Capital acquired a majority equity interest to support further growth. The company positions itself as a critical supplier strengthening domestic battery supply chains and enabling compliance with U.S. content requirements for electric vehicles.
chemXplore tracks 1 project involving ENTEK, of which one is active.
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