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. 2020 Dec 29;7(1):175–182. doi: 10.1021/acscentsci.0c01390

Figure 2.

Figure 2

Electrochemical performance of the Li-CO2 battery using different COF cathode catalysts. (a–c) Molecular structures of TTCOF-Mn, TTCOF-2H, and COF-366-Mn, respectively. Charging/discharging curves of different COF cathode catalysts with the limited capacity of 1000 mAh/g at 100 mA/g: (d) TTCOF-Mn, (e) TTCOF-2H, and (f) COF-366-Mn. (g) Overpotentials of different COF cathode catalysts under current densities of 100 mA/g, 300 mA/g, and 500 mA/g. (h) Long-term cycling of the TTCOF-Mn cathode catalyst and TTCOF-2H cathode catalyst at a current density of 300 mA/g.