摘要
通过溴离子在 Pb O2 、 Pt、石墨和 2种 DSA电极上循环伏安和电流效率的测量 ,发现各种电极材料对溴离子氧化的催化作用不同 ,在酸性条件和中性条件下溴离子的氧化情况也有明显差别 .溴离子氧化的最佳条件是在中性溶液中使用 Pb O2 电极 ,电流效率最高可达到 96.1 % ,并且氧化电位较低 。
By the measurement of cyclic voltammetry and current efficiency at PbO 2, Pt, graphite and two kinds of DSA electrodes, it was found that the electrocatalysis behaviour of Br - oxidation at different electrode materials is different, the results of Br - oxidation in an acidic solution and a neutral solution are also different. The best conditions for Br - oxidation are to use PbO 2 electrode in a neutral solution, the highest current efficiency is 96.1%, moreover, the initial oxidation potential is lower, but the oxidation current is higher.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2004年第12期2327-2330,共4页
Chemical Journal of Chinese Universities
基金
国家自然科学基金 (批准号 :2 0 3 73 0 2 0 )资助
关键词
溴离子
电氧化
阳极材料
循环伏安
电流效率
Br - ion
Eletrooxidation
Anode materials
Cyclic voltammetry
Current efficiency
