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硝基铬酞菁/二氧化锰修饰电极催化氧还原性质 被引量：1

Electrocatalytical Oxygen Reduction at Tera-nitro-Chromium Phthalocyanine/manganese Dioxide Modified Electrodes
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摘要 采用电化学手段测试了联合使用硝基铬酞菁和二氧化锰催化剂修饰电极对氧的催化还原性能,考察了修饰电极对氧还原的动力学特征,结果发现:二氧化锰的加入可以显著提高对氧的催化性能;峰电流与扫描速率成正比,催化氧还原的电极过程受表面吸附控制;联合使用硝基铬酞菁和二氧化锰后,催化氧还原的起始电位与单一使用硝基铬酞菁相比正移了51 mV。 The catalytieal properties of a combined use of tetra-nitro chromium phthaloeyanine and manganese dioxide were tested by electrochemical method. The results showed that catalytic properties can he improved significantly by combined use of tetra-nitro chromium phthaloeyanine and manganese dioxide; the peak currents were proportional to the scan rate, indicating that peak currents were surface- adsorption-controlled in this range of scan rate. the initial potential for oxygen reduction was shifted 51mV to relative.
作者 陈凤英
机构地区 商洛学院化学与化学工程系
出处 《商洛学院学报》 2012年第4期6-8,共3页 Journal of Shangluo University
基金 商洛学院科研基金项目(11SKY010 11SKY011)
关键词 酞菁 二氧化锰 氧还原 phthaloeyanine manganese dioxide oxygen reduction
分类号 O657.1 [理学—分析化学]
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参考文献10

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共引文献25

同被引文献7

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商洛学院学报
2012年 第4期

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