Polyimide matrix electrolyte and improved batteries therefrom
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United States of America Patent
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Oct 31, 2006
Issued Date -
N/A
app pub date -
Apr 27, 2005
filing date -
May 13, 2003
priority date (Note) -
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Abstract
A battery includes an anode, a cathode, and a polymer matrix electrolyte (PME) separator disposed between the anode and the cathode. The PME separator includes a polyimide, at least one lithium salt in a concentration of at least 0.5 moles of lithium per mole of imide ring provided by the polyimide, and at least one solvent intermixed. The PME is generally homogeneous as evidenced by its high level of optically clarity. The battery can be a lithium ion or lithium metal battery.
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