首页|Performance of iron-air battery with iron nanoparticle-encapsulated C-N composite electrode
Performance of iron-air battery with iron nanoparticle-encapsulated C-N composite electrode
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Highly efficient and stable iron electrodes are of great significant to the development of iron-air battery(IAB).In this paper,iron nanoparticle-encapsulated C-N composite(NanoFe@CN)was synthesized by pyrolysis using polyaniline as the C-N source.Electrochemical performance of the NanoFe@CN in different electrolytes(alkaline,neutral,and quasi-neutral)was investigated via cyclic voltammetry(CV).The IAB was assembled with NanoFe@CN as the anode and IrO2+Pt/C as the cathode.The effects of different discharging/charging current densities and electrolytes on the battery performance were also studied.Neutral K2SO4 electrolyte can effectively suppress the passivation of iron electrode,and the battery showed a good cycling stability during 180 charging/discharging cycles.Compared to the pure nano-iron(NanoFe)battery,the NanoFe@CN battery has a more stable cycling stability either in KOH or NH4Cl+KCl electrolyte.
energy storage and conversionmetallic compositesnanocompositesiron-air batteryiron anode
Can FANG、Xiangmei TANG、Jiaoyan WANG、Qingfeng YI
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School of Chemistry and Chemical Engineering,Hunan University of Science and Technology,Xiangtan 411201,China
Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion,Xiangtan 411201,China
国家自然科学基金国家自然科学基金Research and Development Planning Projects in Key Areas of Hunan Province
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