K,Ca,Na,Mg,Al,Mn,Zn,Cr,Fe,Ni,Sn,Pb,H,Cu,Hg,Ag,Pt,Au
所以应锌作负极,反应式为Zn-e^- = Zn^2+
镍作正极,反应式为2H^+ + 2e^- =H2↑