Manganese oxide composite electrodes for lithium batteries

Johnson, Christopher S; Kang, Sun-Ho; Thackeray, Michael M

Title: Manganese oxide composite electrodes for lithium batteries

Patent · Tue Dec 22 00:00:00 EST 2009

OSTI ID:1013623

Johnson, Christopher S ^[1]; Kang, Sun-Ho ^[1]; Thackeray, Michael M ^[1]

Naperville, IL

An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula xLi.sub.2MnO.sub.3.(1-x)LiMn.sub.2-yM.sub.yO.sub.4 for 0.5<1.0 such that the spinel component constitutes less than 50 mole % of the precursor electrode and 0.ltoreq.y<1 in which the Li.sub.2MnO.sub.3 and LiMn.sub.2-yM.sub.yO.sub.4 components have layered and spinel-type structures, respectively, and in which M is one or more metal cations. The electrode is activated by removing lithia, or lithium and lithia, from the precursor. A cell and battery are also disclosed incorporating the disclosed positive electrode.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W-31-109-ENG-38

Assignee:: UChicago Argonne, LLC (Chicago, IL)

Patent Number(s):: 7,635,536

Application Number:: US Patent Application 11/204,512

OSTI ID:: 1013623

Country of Publication:: United States

Language:: English

References (20)

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