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負(fù)極集流體表面處理方法及對(duì)電池性能的影響
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國(guó)家自然科學(xué)基金(20573039)


Surface Treatment Method of Cathodic Current-Collector and Its Effect on Performances of Batteries
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    摘要:

    在高能扣式堿性鋅錳電池負(fù)極集流體表面制備出一種性能良好的高氫過(guò)電位材料Zn-In合金。采用線性掃描陰極極化曲線、X射線衍射(XRD)、掃描電鏡(SEM)、能譜分析(EDS)、交流阻抗(EIS)及電池氣脹高度檢測(cè)等方法研究Zn-In合金材料的性質(zhì)、各組分的含量以及對(duì)電池性能的影響。結(jié)果表明：該Zn-In合金材料顯著提高了集流體析氫過(guò)電位，從而有效地抑制電池氣脹, 改善電池性能，同時(shí)降低生產(chǎn)成本，且對(duì)環(huán)境友好，因此用于代替In電沉積具有廣闊的應(yīng)用前景

    Abstract:

    Zn-In alloy material with high hydrogen evolution overpotential was prepared on the cathodic current-collector surface of the alkaline Zn/MnO2 battery by chemical plating. The properties, effects on the battery performances and the composition of the Zn-In alloy material were studied by linear scanning voltammetry, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), electrochemical impedance spectra (EIS) and altimetry. The results indicate that Zn-In alloy material could increase the hydrogen evolution overpotential of current-collector obviously and was capable of restricting hydrogen evolution effectively to improve the performances of batteries, which can reduce the cost and protect the environment well. Therefore, the Zn-In alloy materials have promising application in Ag-free battery industry, as the replacement of the conventional In coated copper current-collector

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蔡宗平,周合兵,李偉善,黃啟明,梁 英,肖秀華,陳錦清.負(fù)極集流體表面處理方法及對(duì)電池性能的影響[J].稀有金屬材料與工程,2009,38(9):1676~1680.[Cai Zongping, Zhou Hebing, Li Weishan, Huang Qiming, Liang Ying, Xiao Xiuhua, Chen Jinqing. Surface Treatment Method of Cathodic Current-Collector and Its Effect on Performances of Batteries[J]. Rare Metal Materials and Engineering,2009,38(9):1676~1680.]
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  • 收稿日期:2008-10-11
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