Fig. 6: Cycling stability of Li–O2 batteries with N-HP-Co SACs. | Nature Communications

Fig. 6: Cycling stability of Li–O2 batteries with N-HP-Co SACs.

From: Tuning lithium-peroxide formation and decomposition routes with single-atom catalysts for lithium–oxygen batteries

Fig. 6: Cycling stability of Li–O2 batteries with N-HP-Co SACs.The alternative text for this image may have been generated using AI.

a Voltage versus cycle number on the discharge terminal of the Li–O2 cells with commercial Pt/C and N-HP-Co SACs. FESEM images of the discharged cathode with the 0.6% commercial Pt/C catalyst (b) and the N-HP-Co SAC catalyst (c) at a current density of 200 mA g−1 after the 5th cycle and the cathode with the 0.6% commercial Pt/C catalyst (d) and the N-HP-Co SAC catalyst (e) after the 20th cycle. One micrometer in b, d; 500 nm in c, e; f, g XPS spectra of the discharged cathodes with 0.6% commercial Pt/C and N-HP-Co SACs: Li 1s (f) and O 1s (g) after the 5th and 20th cycles.

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