Polyaniline/Zn-phthalocyanines nanocomposite for protecting zinc electrode in Zn-air battery

被引：67
作者：
Deyab, M. A. [1 ]
Mele, G. [2 ]
机构：
[1] EPRI, POB 11727, Cairo, Egypt
[2] Univ Salento, Dept Engn Innovat, Via Arnesano, I-73100 Lecce, Italy
来源：
JOURNAL OF POWER SOURCES | 2019年 / 443卷
关键词：
Zn-air battery; Nanocomposite; Polyaniline; Zn-phthalocyanines; Corrosion; Conductivity; CORROSION PROTECTION; NONIONIC SURFACTANT; GRAPHENE OXIDE; CARBON-STEEL; PERFORMANCE; INHIBITOR; LITHIUM; COMPOSITES; GENERATION; WATER;
D O I：
10.1016/j.jpowsour.2019.227264
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of the incorporation of Zn-phthalocyanines (ZnPc) nanoparticles into polyaniline coating (PANI) forming a new nanocomposite polyaniline/Zn-phthalocyanines (PANI@ZnPc) on the Zn-air battery performance has been investigated. The anticorrosion activity of the PANI@ZnPc coating is evaluated by the polarization and electrochemical impedance spectroscopy (EIS) measurements. The results reveal that, the PANI@ZnPc nanocomposite gives a higher protective performance (97.7%) than the neat PANT (74.8%). The incorporation of ZnPc particles into PANI matrix is responsible for the increase in the coating resistance and AC conductivity. PANI@ZnPc nanocomposite delivers a high specific discharge capacity (713 mAh g(-1)) and enhances the capacity retention up to 98.5%. Therefore, Zn electrode coated with PANI@ZnPc can improve Zn-Air battery performance to a high extent, which may be beneficial for energy applications.
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页数：6
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