High Energy Density Multivalent Conversion Based Cathodes for Lithium Batteries

The invention reports high energy density electrodes for battery application based on multivalent conversion based compositions. The 3D electrode architecture approach enables high reversible capacity by reducing the round trip efficiency losses. Almost theoretical capacity is reported under elevated temperature cycling (60 °C). The invention yields a factor of 2-3 improvement in cycle life over the conventional slurry based electrode technology. Moreover, the electrodes do not need active current collectors or polymeric binders.

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