摘要
本文讨论了水分子对二氧化锰可充电性的影响。用循环伏安法对电催化二氧化锰——用Ag(Ⅰ)电解催化Mn(Ⅱ)阳极氧化制备出的二氧化锰产品,进行了可充电性研究。结果表明,高结晶水的电催化二氧化锰比传统的电解二氧化锰具有较好的可充电性,电解二氧化锰电极经过五次循环伏安充放电后,其再放电的容量低于二氧化锰二电子理论放电容量的百分之二十,而电催化二氧化锰电极经过二十次循环伏安充放电后,其放电容量仍不低于百分之五十。此外,电催化二氧化锰还具有银掺杂特性。
The effect of water on the discharge process of MnO2 was discussed The rechargeabil ity of the product MnO2 prepared by catalysis of Mn (Ⅱ) anodic oxidation by silver (Ⅰ) was studied by use of volta-metry method. The results show that the rechargeability of ECMD is good and much better than that of EMD.The discharge capacity of EMD is lower than 20% of MnO2 theoretical two-electron capacity after 5 cycles while that ECMD is higher than 50% of the theoretical two-electron capacity after 20 cycles. The result...
出处
《电池》
CAS
CSCD
1990年第4期25-29,共5页
Battery Bimonthly
关键词
银离子电解催化
二价锰阳极氧化
活性二氧化锰
可充电性
Electrocatalysis by Silver ion
Anodic oxidation of divalent manganese
Activated manganese dioxide
Rechargeability
