ECS Electrochemistry Letters最新文献

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One-Step Electrochemical Deposition of Reduced Graphene Oxide-Bismuth Nanocomposites for Determination of Lead 一步电化学沉积还原氧化石墨烯-铋纳米复合材料测定铅
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0021509EEL
Xueping Hu, Dawei Pan, Mingyue Lin, Haitao Han, Fei Li
{"title":"One-Step Electrochemical Deposition of Reduced Graphene Oxide-Bismuth Nanocomposites for Determination of Lead","authors":"Xueping Hu, Dawei Pan, Mingyue Lin, Haitao Han, Fei Li","doi":"10.1149/2.0021509EEL","DOIUrl":"https://doi.org/10.1149/2.0021509EEL","url":null,"abstract":"The novel reduced graphene oxide-bismuth (RGO-Bi) nanocomposites were successfully synthesized through one-step electrochemical reduced deposition and used to modify disposable screen-printed electrode (SPE) for determination of Pb(II). By electrochemical deposition, a large number of Bi particles were distributed on RGO. Combined the unique structure and electronic properties of RGO with the ability of Bi to form alloys with other metals, the RGO-Bi/SPE has shown wide linear range and low detection limit for determination of Pb(II). Additionally, the RGO-Bi/SPE was successfully applied to the rapid determination of Pb(II) in real coastal sediment pore waters. (C) 2015 The Electrochemical Society. All rights reserved.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0021509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Evaluation of an Alkaline Electrolyte System for Al-Air Battery 铝-空气电池碱性电解液体系的评价
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0031512EEL
Zegao Sun, Huimin Lu, Qingshui Hong, L. Fan, Chunbo Chen, Jing Leng
{"title":"Evaluation of an Alkaline Electrolyte System for Al-Air Battery","authors":"Zegao Sun, Huimin Lu, Qingshui Hong, L. Fan, Chunbo Chen, Jing Leng","doi":"10.1149/2.0031512EEL","DOIUrl":"https://doi.org/10.1149/2.0031512EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0031512EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64312989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
High-Rate Capabilities of Ferroelectric BaTiO3–LiCoO2 Composites with Optimized BaTiO3 Loading for Li-Ion Batteries 优化锂离子电池BaTiO3负载的铁电BaTiO3 - licoo2复合材料的高倍率性能
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0041512EEL
T. Teranishi, Y. Yoshikawa, R. Sakuma, Hirokazu Okamura, H. Hashimoto, H. Hayashi, T. Fujii, A. Kishimoto, Y. Takeda
{"title":"High-Rate Capabilities of Ferroelectric BaTiO3–LiCoO2 Composites with Optimized BaTiO3 Loading for Li-Ion Batteries","authors":"T. Teranishi, Y. Yoshikawa, R. Sakuma, Hirokazu Okamura, H. Hashimoto, H. Hayashi, T. Fujii, A. Kishimoto, Y. Takeda","doi":"10.1149/2.0041512EEL","DOIUrl":"https://doi.org/10.1149/2.0041512EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0041512EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64316767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Analytical Relationship between Anion Formation and Carrier-Trap Statistics in Chalcogenide Glass Films 硫系玻璃薄膜阴离子形成与载流子陷阱统计的分析关系
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0061507EEL
Mehdi Saremi, H. Barnaby, A. Edwards, M. Kozicki
{"title":"Analytical Relationship between Anion Formation and Carrier-Trap Statistics in Chalcogenide Glass Films","authors":"Mehdi Saremi, H. Barnaby, A. Edwards, M. Kozicki","doi":"10.1149/2.0061507EEL","DOIUrl":"https://doi.org/10.1149/2.0061507EEL","url":null,"abstract":"An analytical mapping for electron trapping in chalcogenide glass (ChG)films is derived which equates anion formation (dissolution) reactions and carrier-trap statistics. Glass binaries composed of chalcogen atoms contain high densities of negative charge that result from chemical reactions involving free electrons. This process of anion formation and dissolution between an electron and a neutral species is shown to be equivalent to standard models for carrier statistics. The derived equivalence reduces chemical reaction equations into statistics calculations performed through conventional semiconductor device simulation. The proposed mapping is shown to be valid for both equilibrium and steady state photogeneration conditions. © The Author(s) 2015. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0061507EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64323975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Quantitative In Situ Differential Reflectance Spectroscopy Analysis of Polycrystalline Platinum Oxidation in an Aqueous Acidic Electrolyte 多晶铂在酸性水溶液中氧化的定量原位差分反射光谱分析
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0061509EEL
Jing Xu, D. Scherson
{"title":"Quantitative In Situ Differential Reflectance Spectroscopy Analysis of Polycrystalline Platinum Oxidation in an Aqueous Acidic Electrolyte","authors":"Jing Xu, D. Scherson","doi":"10.1149/2.0061509EEL","DOIUrl":"https://doi.org/10.1149/2.0061509EEL","url":null,"abstract":"A method is herein described that allows the coverage of the two forms of oxide believed to form on polycrystalline Pt, Pt(poly), surfaces in aqueous solutions to be determined based on the analysis of in situ differential reflectance spectroscopy, R/R, and voltammetric data recorded simultaneously. The model employed assumes R/R can be expressed as the sum of contributions due to each type of surface site, i, represented by the product of their potential dependent coverage, θi(E), and a linear function of E obtained empirically. Values of θi(E) for the unoxidized and oxidized sites are calculated by solving a system of three non-linear equations that relate θi(E) to the charge associated with the formation of the oxide layer based on coulometric analyses and accepted values for the number of electrons transferred for each of the oxides. Data collected for Pt(poly) electrodes in aqueous 0.1 M HClO4 was found to be consistent with the coexistence of the two forms of Pt oxide and unoxidized sites on the surface over a potential range extending from ca. 1.0 to 1.25 V. © The Author(s) 2015. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. [DOI: 10.1149/2.0061509eel] All rights reserved.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0061509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64324095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Spray-Drying Synthesis of Pure Na2CoPO4F as Cathode Material for Sodium Ion Batteries 喷雾干燥法制备纯Na2CoPO4F钠离子电池正极材料
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0061506EEL
H. Zou, Shouding Li, Xiaobiao Wu, M. J. McDonald, Yong Yang
{"title":"Spray-Drying Synthesis of Pure Na2CoPO4F as Cathode Material for Sodium Ion Batteries","authors":"H. Zou, Shouding Li, Xiaobiao Wu, M. J. McDonald, Yong Yang","doi":"10.1149/2.0061506EEL","DOIUrl":"https://doi.org/10.1149/2.0061506EEL","url":null,"abstract":"The expected theoretical energy density of Na2CoPO4F as a cathode material for sodium ion batteries surpasses 500 Wh kg−1 even if considering only one-electron utilized per formula unit. It is therefore one of the highest energy density cathode materials for sodium-ion batteries. In this work, pure phase Na2CoPO4F/C nanocomposite was successfully synthesized by a spray-drying and high temperature sintering method. The Na2CoPO4F/C nanocomposite, when tested vs. sodium metal, delivered a discharge capacity of 107 mAh g−1 with a voltage plateau at 4.3 V. © 2015 The Electrochemical Society. [DOI: 10.1149/2.0061506eel] All rights reserved.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0061506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64324413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 52
A Combinatorial Approach toward the Discovery of Electrolyte Formulations for Non-Aqueous Electrochemical Energy Storage Devices 非水电化学储能装置电解质配方的组合研究
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0081509EEL
Charles A. Cartier, Zhange Feng, James D. Faulk, D. Scherson
{"title":"A Combinatorial Approach toward the Discovery of Electrolyte Formulations for Non-Aqueous Electrochemical Energy Storage Devices","authors":"Charles A. Cartier, Zhange Feng, James D. Faulk, D. Scherson","doi":"10.1149/2.0081509EEL","DOIUrl":"https://doi.org/10.1149/2.0081509EEL","url":null,"abstract":"A unique robot-type instrument is herein described capable of producing large numbers of non-aqueous electrolyte mixtures involving the most common organic carbonate solvents either currently in use or being considered by the Li-ion battery industry. The ability of this device to accurately dispense computer-controlled mixtures of often highly volatile solvents was validated by comparing the intended formulations against data collected by gas-chromatography-mass spectrometric analysis which yielded results within 3.5% of each other. Key to the success of this powerful combinatorial strategy was the use of temperature-controlled reservoirs to decrease the vapor pressure of the solvents involved, as well as the selection of an appropriate solvent and technique to prevent solvent mixing during the aspiration-delivery steps. © The Author(s) 2015. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. [DOI: 10.1149/2.0081509eel] All rights reserved.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0081509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64332504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Preparation of Pt/C Catalyst by Coaxial Arc Plasma Deposition for Polymer Electrolyte Membrane Fuel Cells 同轴电弧等离子沉积法制备聚合物电解质膜燃料电池用Pt/C催化剂
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0091510EEL
Y. Agawa, M. Kunimatsu, T. Ito, Yasutaka Kuwahara, H. Yamashita
{"title":"Preparation of Pt/C Catalyst by Coaxial Arc Plasma Deposition for Polymer Electrolyte Membrane Fuel Cells","authors":"Y. Agawa, M. Kunimatsu, T. Ito, Yasutaka Kuwahara, H. Yamashita","doi":"10.1149/2.0091510EEL","DOIUrl":"https://doi.org/10.1149/2.0091510EEL","url":null,"abstract":"A coaxial arc plasma deposition (CAPD) source was developed to generate metallic nanoparticles (NPs) with sizes from sub-nanometer to several nanometers. Pt NPs were deposited on a carbon support by CAPD for use as a polymer electrolyte membrane fuel cell (PEMFC) electrode catalyst. The principle of catalyst formation and the mechanism for control of the particle size by CAPD were investigated. Transmission electron microscopy observations were performed for Pt/C catalysts with various Pt contents. Single PEMFCs were fabricated using 1, 5, and 10 wt% Pt/C catalysts, of which the best cell performance was obtained with the 10 wt% Pt/C catalyst.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0091510EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64336759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Electronic Effects in 1,3-diaryl-1,3-diketone Reduction Potentials Correlate with σ0 1,3-二烷基-1,3-二酮还原电位的电子效应与σ0相关
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0091512EEL
Stephen L. Gipson, C. Garner, Basu D. Panthi
{"title":"Electronic Effects in 1,3-diaryl-1,3-diketone Reduction Potentials Correlate with σ0","authors":"Stephen L. Gipson, C. Garner, Basu D. Panthi","doi":"10.1149/2.0091512EEL","DOIUrl":"https://doi.org/10.1149/2.0091512EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0091512EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64337328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbon-Free AZO/Ru Cathode for Li-Air Batteries 锂-空气电池用无碳AZO/Ru阴极
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011507EEL
Mihye Wu, Jungdon Suk, J. Jo, Yeon Kim, Sungho Choi, Dong-Wook Kim, Yongku Kang, Ha-Kyun Jung
{"title":"Carbon-Free AZO/Ru Cathode for Li-Air Batteries","authors":"Mihye Wu, Jungdon Suk, J. Jo, Yeon Kim, Sungho Choi, Dong-Wook Kim, Yongku Kang, Ha-Kyun Jung","doi":"10.1149/2.0011507EEL","DOIUrl":"https://doi.org/10.1149/2.0011507EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0011507EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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