The impedance spectrum of the electroplating tin anode for Li-ion batteries is measured at various states of charge(alloying)and after charge-discharge cycles.

测试了锂离子蓄电池电镀锡阳极在不同充电（合金化）状态和不同充放电循环次数后的电化学阻抗谱。

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The results shows the capacity of the anode oxidation membrane decreases with the increasing of oxidation potential, and there exists relationship between impedance and behavior anode polarization.

提出了钽的氧化反应式及反应控制步骤；得出其氧化膜电容量随着氧化电位的增加而减少，阻抗与阳极极化行为存在相关关系。

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The results shows the capacity of the anode oxidation membrane decreases with the increasing of oxidation potential, and there exists relationship between impedance and behavior anode polarization.

得出其氧化膜电容量随着氧化电位的增加而减少，阻抗与阳极极化行为存在相关关系。

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