Choate, Hall & Stewart LLP
High-capacity positive electrode active material
This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6≦y≦0.85 and 0≦x+y≦2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.
Massachusetts Institute of Technology
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Alexander Gerbrand Jinhyuk Geoffroy Xin Sangtae
Urban Ceder Lee Hautier Li Kim