Revealing electrolyte oxidation <i>via</i> carbonate dehydrogenation on Ni-based oxides in Li-ion batteries by <i>in situ</i> Fourier transform infrared spectroscopy

Carbonate oxidation <italic>via</italic> dehydrogenation on LiNi_0.8Co_0.1Mn_0.1O₂ at voltages as low as 3.8 V_Li was revealed by <italic>in situ</italic> FT-IR measurements.