Manganese oxide composite electrodes for lithium batteries

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

Manganese oxide composite electrodes for lithium batteries

Patent · Tue Dec 20 04:00:00 EST 2011

OSTI ID:1531709

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

An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula x{zLi.sub.2MnO.sub.3.cndot.(1-z)LiM'O.sub.2}.(1-x)LiMn.sub.2-yM.sub.yO.su- b.4 for 0 < x < 1; 0.ltoreq.y.ltoreq.0.5; and 0 < z < 1, comprised of layered zLi.sub.2MnO.sub.3.(1-z)LiM'O.sub.2 and spinel LiMn.sub.2-yM.sub.yO.sub.4 components, physically mixed or blended with one another or separated from one another in a compartmentalized electrode, in which M is one or more metal ions, and in which M' is selected from one or more first-row transition metal ions, The electrode is activated by removing 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:: AC02-06CH11357; W-31109-ENG-38

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

Patent Number(s):: 8,080,340

Application Number:: 12/319,627

OSTI ID:: 1531709

Country of Publication:: United States

Language:: English

References (23)

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