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Toward high performance of zinc-air battery using hydrophobic carbon foam-based diffusion electrode
Yimai Chen,Hui Wang,Shan Ji,Bruno G. Pollet,Rongfang Wang 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.71 No.-
NaCl is used as template to form porous carbon during the carbonization procedure. It is found that theNaCl amount played an important role in the physical properties of hydrophobic carbon materials. Whenthe current density increases from 0 to 50 mA cm 2, the obtained sample containing zinc-air batterypotential decreases from +1.492 V and +1.040 V (vs. RHE); a potential drop very close to that of the Pt/Celectrode (from +1.489 V to +1.043 V). It is also found that in continuous discharge operations at25 mA cm 2, the obtained material exhibits a stable discharge behavior, comparable to Pt/C.