Issue Date: August 9, 2010
DuPont Launches Battery Separator
DuPont has launched a new line of nanofiber-based separators for lithium-ion batteries that it will make at a new plant in Chesterfield County, Va. DuPont’s new Energain separators are based on nonwoven fabrics made from polyamide filaments spun at diameters of between 200 and 1,000 nm. Battery separators prevent electrodes from coming into contact with each other while allowing ions to pass through freely. DuPont says its separators can increase battery power by . . .
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