Volume 88 Issue 15 | p. 29 | Concentrates
Issue Date: April 12, 2010

From Solid Block Copolymer To Highly Porous Membrane

Polyethylene/polylactide copolymer, stripped of its polylactide segments, becomes a useful porous material
Department: Science & Technology
News Channels: JACS In C&EN
Keywords: membrane separator, lithium-ion battery, copolymer

A block copolymer, when stripped of one of its components, becomes a nanoporous material that is promising for use as a thin membrane separator in lithium-ion batteries, according to Marc A. Hillmyer and colleagues at the University of Minnesota, Minneapolis (J. Am. Chem. Soc., DOI: 10.1021/ja100985d). Membrane separators permit ions to migrate freely without allowing closely spaced anode and cathode components to contact . . .

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