{"title":"碱性介质中硼氢化钠的金电极电化学检测","authors":"Junbo Hou, M. Ellis, R. Moore","doi":"10.1149/2.004204ESL","DOIUrl":null,"url":null,"abstract":"Direct borohydride fuel cells (DBFC) are emerging as a promising technology for portable power. The characteristics of a gold electrochemical sensor for detecting borohydride concentration were investigated. Although gold is not Faradically efficient for the borohydride oxidation, the peak current obtained from cyclic voltammetry (CV) showed a linear relationship in the investigated range of 0.1 mM–50 mM borohydride concentration with a detect limitation of 50 μM, suggesting the same charge transfer mechanism within the investigated concentration range. Chronoamperometry results demonstrated a fast signal response, and the sensitivity was determined as 1.56 ± 0.13 μA/100 μM based on the present disk electrode. © 2012 The Electrochemical Society. [DOI: 10.1149/2.004204esl] All rights reserved.","PeriodicalId":11627,"journal":{"name":"Electrochemical and Solid State Letters","volume":"25 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2012-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Electrochemical Detection of Sodium Borohydride in Alkaline Media by Gold Electrode\",\"authors\":\"Junbo Hou, M. Ellis, R. Moore\",\"doi\":\"10.1149/2.004204ESL\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Direct borohydride fuel cells (DBFC) are emerging as a promising technology for portable power. The characteristics of a gold electrochemical sensor for detecting borohydride concentration were investigated. Although gold is not Faradically efficient for the borohydride oxidation, the peak current obtained from cyclic voltammetry (CV) showed a linear relationship in the investigated range of 0.1 mM–50 mM borohydride concentration with a detect limitation of 50 μM, suggesting the same charge transfer mechanism within the investigated concentration range. Chronoamperometry results demonstrated a fast signal response, and the sensitivity was determined as 1.56 ± 0.13 μA/100 μM based on the present disk electrode. © 2012 The Electrochemical Society. [DOI: 10.1149/2.004204esl] All rights reserved.\",\"PeriodicalId\":11627,\"journal\":{\"name\":\"Electrochemical and Solid State Letters\",\"volume\":\"25 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Electrochemical and Solid State Letters\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1149/2.004204ESL\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electrochemical and Solid State Letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1149/2.004204ESL","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6