Li/MnO2 battery separators with selective ion transport
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United States of America Patent
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Issued Date -
Dec 29, 2005
app pub date -
Jun 25, 2004
filing date -
Jun 25, 2004
priority date (Note) -
Abandoned
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Abstract
A method for selectively blocking flow of manganese ions from manganese dioxide electrode to a lithium electrode in lithium-manganese dioxide cell comprising the steps of: providing a lithium electrode adapted to providing lithium ions; providing a manganese dioxide electrode adapted to providing manganese ions; and blocking flow of manganese ions from the manganese dioxide electrode to the lithium electrode but allow lithium ions to flow freely between the lithium electrode to the manganese dioxide electrode and back by; providing a battery separator between the manganese dioxide electrode and the lithium electrode where the separator selectively allow transport of lithium ions between the lithium electrode to the manganese dioxide electrode, but blocks flow of manganese ions from the manganese dioxide electrode to the lithium electrode.
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