Issue Date: April 12, 2010
From Solid Block Copolymer To Highly Porous Membrane
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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