Fig. 2From: The Core-Shell Heterostructure CNT@Li2FeSiO4@C as a Highly Stable Cathode Material for Lithium-Ion Batteriesa XRD of CNT@Li2FeSiO4 and CNT@Li2FeSiO4, b XPS full spectra of CNT@Li2FeSiO4@C, and high-resolution spectra of c Fe 2p and d Si 2pBack to article page