中文摘要：

用线性极化方法研究了铜对BH4^-氧化的电化学行为。室温下，在2．0mol／LNaBH4＋2．0mol／LNaOH的阳极电解液中，由铜阳极、铂阴极和NRE-212膜组成的直接硼氢化物燃料电池（DBFC）的最大电流密度和最大功率密度分别为235mA／cm^2和46．14mW／cm^2；用恒流法以20mA／cm^2进行寿命测试，电压在0．6V左右稳定达50h。扫描电镜（SEM）及X射线衍射（XRD）测试的结果表明：实验中阳极表面形貌不断变化，但始终为铜单质。

英文摘要：

The electrochemical behaviors of copper on the oxidation of borohydride was investigated by liner polarization. In the anolyte of 2.0 mol/L NaBH4 ＋ 2.0 mol/L NaOH, the maximum current density and maximum power density of direct borohydride fuel cell （DBFC） which constructed by copper anode, platinum cathode and NRE-212 membrane at room temperature was 235 mA/cm^2 and 46.14 mW/cm^2, respectively. The voltage was stable at about 0.6 V for 50 h when the life test was carried out galvanostatically at the current density of 20 mA/cm^2. The results of scanning electron microscope （SEM） and X-ray diffraction （XRD） tests showed that the composition of anode was still copper simple substance although surface morphology of anode changed constantly during the experiment.