2.纽扣电池(汞电池) Mercury Battery Anode reaction Zn(s)+2 OH(aq)- ZnO(s)+H2o(e)+2 e Cathode reaction Hgo(s)+ H2o(e)+2e-Hg()+2 OH"(aq) Net reaction Zn(s)+Hgo(s)- Zno(s)+Hg(e) E=+135V Positive Zinc (anode) termina Separator Hg0 mixed with graphite (cathode) steel Jacket 纽扣电池的结构和反应纽扣电池的结构和反应 2. 纽扣电池 (汞电池)