{"title":"IrO2+MnO2涂层阳极的制备及其在NaClO生产中的应用","authors":"Yongle Ni, Huimin Meng, Dong Chen, Dongbai Sun, Hongying Yu","doi":"10.1016/S1005-8850(08)60087-0","DOIUrl":null,"url":null,"abstract":"<div><p>To improve the durability as well as to reduce the cost of anodes, the IrO<sub>2</sub>+MnO<sub>2</sub> composite coating anodes for NaClO production were prepared by thermal decomposition. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction analysis (XRD) were carried out to investigate the morphologies, element distribution, and microstructure. The anodic polarization curves were employed to study the effect of sintering temperature on the Cl<sub>2</sub> evolution reaction (CER) of the electrodes. The accelerated life tests (ALT) and electrochemical impedance spectroscopy measurement (EIS) were utilized to investigate the stability. The rules of NaClO production were also studied by the static electrolysis experiment. The results indicate that sintering temperature has a significant influence on the CER properties as well as the ALT values of the electrodes. The electrode prepared at 400°C has the best CER properties and the longest ALT value.</p></div>","PeriodicalId":100851,"journal":{"name":"Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material","volume":"15 4","pages":"Pages 461-467"},"PeriodicalIF":0.0000,"publicationDate":"2008-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-8850(08)60087-0","citationCount":"1","resultStr":"{\"title\":\"Preparation of IrO2+MnO2 coating anodes and their application in NaClO production\",\"authors\":\"Yongle Ni, Huimin Meng, Dong Chen, Dongbai Sun, Hongying Yu\",\"doi\":\"10.1016/S1005-8850(08)60087-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>To improve the durability as well as to reduce the cost of anodes, the IrO<sub>2</sub>+MnO<sub>2</sub> composite coating anodes for NaClO production were prepared by thermal decomposition. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction analysis (XRD) were carried out to investigate the morphologies, element distribution, and microstructure. The anodic polarization curves were employed to study the effect of sintering temperature on the Cl<sub>2</sub> evolution reaction (CER) of the electrodes. The accelerated life tests (ALT) and electrochemical impedance spectroscopy measurement (EIS) were utilized to investigate the stability. The rules of NaClO production were also studied by the static electrolysis experiment. The results indicate that sintering temperature has a significant influence on the CER properties as well as the ALT values of the electrodes. The electrode prepared at 400°C has the best CER properties and the longest ALT value.</p></div>\",\"PeriodicalId\":100851,\"journal\":{\"name\":\"Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material\",\"volume\":\"15 4\",\"pages\":\"Pages 461-467\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1005-8850(08)60087-0\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1005885008600870\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1005885008600870","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Preparation of IrO2+MnO2 coating anodes and their application in NaClO production
To improve the durability as well as to reduce the cost of anodes, the IrO2+MnO2 composite coating anodes for NaClO production were prepared by thermal decomposition. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction analysis (XRD) were carried out to investigate the morphologies, element distribution, and microstructure. The anodic polarization curves were employed to study the effect of sintering temperature on the Cl2 evolution reaction (CER) of the electrodes. The accelerated life tests (ALT) and electrochemical impedance spectroscopy measurement (EIS) were utilized to investigate the stability. The rules of NaClO production were also studied by the static electrolysis experiment. The results indicate that sintering temperature has a significant influence on the CER properties as well as the ALT values of the electrodes. The electrode prepared at 400°C has the best CER properties and the longest ALT value.
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