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用循环伏安测温(CVT)热电化学方法首次研究了Cu_2S阳极溶解过程;实测得Cu_2S阳极过程的熵变△rS_m与根据热力学数据计算所得到的电极反应Cu_2S=CuS+Cu ̄(2+)+2e的熵变值相符;实验的塔费尔(Tafel)斜率b与按迟缓放电机理所导出的Tafel斜率b的理论计算值接近。
The anodic dissolution process of Cu 2 S was studied by cyclic voltammetry (CVT) thermoelectrochemical method. The measured entropy change △ rS_m of Cu 2 S anodic process and the entropy of Cu 2 S = CuS + Cu ~ (2 +) + 2e calculated from thermodynamic data The Tafel slope b of the experiment is close to the theoretical value of the Tafel slope b derived from the slow-discharge mechanism.