Rechargeable battery including a li___ mn_0_ cathode and a...

Details Rechargeable battery including a li___ mn_0_ cathode and a... Rechargeable battery including a li___ mn_0_ cathode and a...

C - Chemistry, Metallurgy

01

G

C01G 45/00 (2006.01) H01M 10/40 (2006.01) H01M 4/50 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2099504

A lithium metal free non-aqueous secondary battery including a carbon anode (13) and a lithium manganese oxide cathode (11) is described. In operation, lithium from the lithium manganese oxide positive electrode (11) intercalates with the carbon ne- gative electrode (13) and in this manner lithium ions are rocked back and forth during charge-discharge cycling. Lithium manga- nese oxide of the formula Li2Mn2O4 may also be used as the cathode (11) and this material may be prepared by a novel tech- nique which involves reacting LiMn2O4 with lithium iodide at low temperatures (150 °C), or alternatively by refluxing LiMn2O4 in an acetonitrile solution of lithium iodide.

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