Figure 5: New-phase formation at powder-based LiFePO4 during carbon coating.
From: Size-dependent surface phase change of lithium iron phosphate during carbon coating

(a) Micro X-ray diffraction (μXRD) patterns of carbon-coated LiFePO4 with different sizes. (b) A schematic illustration of carbon-competitive diffusion/deposition at different-sized LiFePO4.