A Surface Se-Substituted LiCo[O2- δ Seδ ] Cathode with Ultrastable High-Voltage Cycling in Pouch Full-Cells.
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DOI: 10.1002/adma.202005182
Abstract: Cycling LiCoO2 to above 4.5 V for higher capacity is enticing; however, hybrid O anion- and Co cation-redox (HACR) at high voltages facilitates intrinsic Oα - (α < 2) migration, causing oxygen loss, phase collapse, and electrolyte… read more here.
Keywords: high voltage; substituted lico; pouch full; surface substituted ... See more keywords