fig5

Full concentration gradient Li-rich layered oxides cathode materials via kinetic regulation of heterogeneous nucleation growth

Figure 5. Thermal stability of fully charged LR-113 and LR-FCG cathodes. (A) Differential scanning calorimetry (DSC) curves of fully charged LR-113 and LR-FCG cathodes mixed with electrolyte at a weight ratio of 1:1; (B and C) Thermogravimetric (TG) curves of fully charged LR-113 and LR-FCG cathodes, respectively, with simultaneous mass spectrometry (MS) monitoring of oxygen release during heating; (D and E) In situ Raman spectra of fully charged LR-113 and LR-FCG cathodes collected at elevated temperatures; (F and G) Temperature-dependent evolution of characteristic Raman peak positions for LR-113 and LR-FCG during heating. LR-FCG: Li-rich layered oxide.