fig9

Figure 9. (A) The initial three-cycle charge/discharge profiles of TQ at 30 mA·g-1; (B) The calculated and experimental potential profile of TQ; (C) Ex situ XPS spectra of TQ during the charge and discharge state; (D) The calculated lithiation process of TQ in LIBs[59]. Reproduced from: Yan et al. (2021), Wiley[59]. TQ: Tricycloquinazoline; XPS: X-ray photoelectron spectroscopy; LIBs: lithium-ion batteries.