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Volume 34 Issue 10
Jul.  2021
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Article Contents
WU Yao-zuo, LI Shu-feng, LIN Qiu-feng. Performance of zinc-air fuel cells with different cathode surface structures[J]. Chinese Journal of Engineering, 2012, 34(10): 1178-1183. doi: 10.13374/j.issn1001-053x.2012.10.001
Citation: WU Yao-zuo, LI Shu-feng, LIN Qiu-feng. Performance of zinc-air fuel cells with different cathode surface structures[J]. Chinese Journal of Engineering, 2012, 34(10): 1178-1183. doi: 10.13374/j.issn1001-053x.2012.10.001

Performance of zinc-air fuel cells with different cathode surface structures

doi: 10.13374/j.issn1001-053x.2012.10.001
  • Received Date: 2011-08-15
    Available Online: 2021-07-30
  • This paper presents a cathode surface structure to improve the performance of a zinc-air fuel cell (ZAFC). The electrolyte of the zinc-air fuel cell was made by mixing organic inhibitor with a potassium hydroxide solution. Open-circuit voltage performance test and constant-current discharge test were carried out to investigate the differences in voltage-current characteristics and power density of the zinc-air fuel cells with different cathode surface structures and to compare the corrosion resistances of different air-cathodes in the electrolyte. The materials analysis and microstructure observation of air-cathodes after discharging were performed by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. Experimental results show that a protection layer on the air-cathode can increase the durability and corrosion resistance of the electrode. This electrode structure is able to decrease corrosion damage occurred at the air-cathode surface and provide a stable electrochemical reaction. It can improve the utilization of the air-cathode greatly in the zinc-air fuel cell.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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