Figure 5 | NPG Asia Materials

Figure 5

From: In situ anchoring of Co9S8 nanoparticles on N and S co-doped porous carbon tube as bifunctional oxygen electrocatalysts

Figure 5

(a) Charge and discharge polarization curves of Zn–air batteries with Pt/C, RuO2 and Co9S8/NSPC9–45 as air electrodes; (b) photograph of light-emitting diode driven by the two Zn–air batteries pack with Co9S8/NSPC9–45 as air electrode; (c) charge and discharge cycling curves of Zn–air batteries with Pt/C, RuO2 and Co9S8/NSPC9–45 as air electrodes.

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