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Structural Effects of Magnesium Dialkoxides as Precursors for Magnesium-Ion Electrolytes 氧化镁作为镁离子电解质前驱体的结构效应
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0031506EEL
J. Herb, Carl Nist-Lund, J. Schwartz, C. Arnold
{"title":"Structural Effects of Magnesium Dialkoxides as Precursors for Magnesium-Ion Electrolytes","authors":"J. Herb, Carl Nist-Lund, J. Schwartz, C. Arnold","doi":"10.1149/2.0031506EEL","DOIUrl":"https://doi.org/10.1149/2.0031506EEL","url":null,"abstract":"A challenge for magnesium ion battery research is the development of electrolytes that are capable of reversible magnesium electrodeposition through multiple cycles. Magnesium alkoxide chlorides and aryloxide chlorides are known magnesium ion electrolytes when used in conjunction with aluminum chloride. Herein we report the effects of structural variation in several dialkoxy and diaryloxy magnesium complex aggregates with aluminum chloride, Mg(OR)2:AlCl3 (R = iPr, t-Bu, phenyl), on electrochemical characteristics of their solutions and on compositions of the magnesium-containing deposits they yield. We also report the synthesis of a magnesium phenoxide-based electrolyte directly from magnesium metal. © 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: 10.1149/2.0031506eel] 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/10.1149/2.0031506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64312623","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: 7
Non-Equilibrium Li Insertion Paths in LiMn0.75Fe0.25PO4 Observed during the Relaxation Process LiMn0.75Fe0.25PO4弛豫过程中非平衡Li插入路径的观察
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0031503EEL
Yoshinori Satou, S. Komine, S. Takai, T. Yao
{"title":"Non-Equilibrium Li Insertion Paths in LiMn0.75Fe0.25PO4 Observed during the Relaxation Process","authors":"Yoshinori Satou, S. Komine, S. Takai, T. Yao","doi":"10.1149/2.0031503EEL","DOIUrl":"https://doi.org/10.1149/2.0031503EEL","url":null,"abstract":"We observed in detail the XRD profiles of LiMn0.75Fe0.25PO4 taken during the relaxation time. We founded the peak position of the Li-rich phase shifted to lower angles during the relaxation process. We also founded that the intensity around the midpoint between the peak positions of the Li-rich phase and that of the Li-lean phase decreased immediately after the lithium insertion and the delay of the decrease in the intensity around the Li-rich phase. We consider that these happened due to the crystal structure peculiar to the lithium manganese iron phosphate.","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/10.1149/2.0031503EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64312756","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
The Use of a Sintered Ag/AgCl Electrode as Both Reference and Counter Electrode for Electrochemical Measurements in Thin Film Electrolytes 烧结Ag/AgCl电极作为参考电极和反电极用于薄膜电解质的电化学测量
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0051510EEL
P. Khullar, J. V. Badilla, R. Kelly
{"title":"The Use of a Sintered Ag/AgCl Electrode as Both Reference and Counter Electrode for Electrochemical Measurements in Thin Film Electrolytes","authors":"P. Khullar, J. V. Badilla, R. Kelly","doi":"10.1149/2.0051510EEL","DOIUrl":"https://doi.org/10.1149/2.0051510EEL","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/10.1149/2.0051510EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64320234","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
Functional Nanostructure Engineering of SOFC Cathode by Solution Infiltration 溶液浸润SOFC阴极的功能纳米结构工程
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0051503EEL
Shiwoo Lee, K. Gerdes
{"title":"Functional Nanostructure Engineering of SOFC Cathode by Solution Infiltration","authors":"Shiwoo Lee, K. Gerdes","doi":"10.1149/2.0051503EEL","DOIUrl":"https://doi.org/10.1149/2.0051503EEL","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/10.1149/2.0051503EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64320405","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
Redox Behavior of Dopamine in the Presence of Ferritin 铁蛋白存在下多巴胺的氧化还原行为
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011506EEL
Jaroslav Vatrál, R. Boča
{"title":"Redox Behavior of Dopamine in the Presence of Ferritin","authors":"Jaroslav Vatrál, R. Boča","doi":"10.1149/2.0011506EEL","DOIUrl":"https://doi.org/10.1149/2.0011506EEL","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/10.1149/2.0011506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303573","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
Discharge/Charge Characteristics of Li-O2 Batteries Using Noble Metal Catalyst Supported on a Carbon-Free Al-Doped ZnO Cathode 无碳铝掺杂ZnO阴极负载贵金属催化剂对锂氧电池放电/充电特性的影响
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011510EEL
J. Jo, Mihye Wu, S. Nahm, Yongku Kang, Ha-Kyun Jung
{"title":"Discharge/Charge Characteristics of Li-O2 Batteries Using Noble Metal Catalyst Supported on a Carbon-Free Al-Doped ZnO Cathode","authors":"J. Jo, Mihye Wu, S. Nahm, Yongku Kang, Ha-Kyun Jung","doi":"10.1149/2.0011510EEL","DOIUrl":"https://doi.org/10.1149/2.0011510EEL","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/10.1149/2.0011510EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303841","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
Suppression of CO Adsorption on PtRu/C and Pt/C with RuO2 Nanosheets RuO2纳米片抑制PtRu/C和Pt/C对CO的吸附
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011505EEL
Daisuke Takimoto, T. Ohnishi, W. Sugimoto
{"title":"Suppression of CO Adsorption on PtRu/C and Pt/C with RuO2 Nanosheets","authors":"Daisuke Takimoto, T. Ohnishi, W. Sugimoto","doi":"10.1149/2.0011505EEL","DOIUrl":"https://doi.org/10.1149/2.0011505EEL","url":null,"abstract":"RuO2 nanosheets were studied as a promotor for the hydrogen oxidation reaction in the presence of 300 ppm CO/H2. The hydrogen oxidation current in 300 ppm CO/H2 for RuO2 nanosheet modified PtRu/C catalyst (RuO2:Pt:Ru = 0.5:1:1 (molar ratio)) exhibited higher CO tolerance than Pt1Ru1/C and Pt2Ru3/C. Based on hydrodynamic voltammetry, chronoamperometry and CO stripping voltammetry, the addition of RuO2 nanosheets is suggested to suppress CO adsorption on the catalyst surface, resulting in an improvement in CO tolerance. © 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: 10.1149/2.0011505eel] 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/10.1149/2.0011505EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303968","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: 12
A Critical Assessment of as a Figure of Merit for Oxygen Reduction Electrocatalysts in Aqueous Electrolytes 水电解质中氧还原电催化剂性能指标的关键评价
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0021506EEL
N. Georgescu, Adriel Jebin Jacob Jebaraj, D. Scherson
{"title":"A Critical Assessment of as a Figure of Merit for Oxygen Reduction Electrocatalysts in Aqueous Electrolytes","authors":"N. Georgescu, Adriel Jebin Jacob Jebaraj, D. Scherson","doi":"10.1149/2.0021506EEL","DOIUrl":"https://doi.org/10.1149/2.0021506EEL","url":null,"abstract":"Certain aspects of the interpretation of rotating ring-disk electrode, RRDE, data for the oxygen reduction reaction, ORR, in aqueous electrolytes have been examined. In particular, the classical mechanism proposed by Damjanovic et al. [J. Chem. Phys. 45, 4057 (1966)] predicts that at a fixed potential, a plot of the ratio of the disk to the ring currents for the ORR vs ω−1/2, where ω is the rotation rate of the disk, should be linear. According to this analysis, the slope of this line is proportional to k3/XH2O2 , where k3 is the rate constant for the reduction of solution phase hydrogen peroxide, H2O2(aq), and XH2O2 is the fraction of the disk current that generates H2O2(aq), the magnitude of which can be determined from the line intercept. Illustrations of this theoretical framework are provided for ORR data reported in the literature for experiments involving Pt-based electrodes and collected in our laboratories for Pt in aqueous acidic solutions. Critically emphasized is the need to perform ring-disk measurements at multiple rotations rates in order to determine reliable values of XH2O2 , which can be used as figures of merit for ranking the efficacy of ORR electrocatalysts. © 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: 10.1149/2.0021506eel] 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/10.1149/2.0021506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308208","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: 9
Potential Oscillation Associated Galvanostatic Deposition of Periodic Al Wires from a Chloroaluminate Ionic Liquid 氯铝酸盐离子液体中周期性铝丝的电位振荡相关恒流沉积
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0021507EEL
C. Su, I. Sun
{"title":"Potential Oscillation Associated Galvanostatic Deposition of Periodic Al Wires from a Chloroaluminate Ionic Liquid","authors":"C. Su, I. Sun","doi":"10.1149/2.0021507EEL","DOIUrl":"https://doi.org/10.1149/2.0021507EEL","url":null,"abstract":"Experimental All the electrochemical experiments were carried out in the quiescent AlCl3/TMHC (58/42 mol%) in a N2-filled glove box at 38 ◦ C using a conventional three-electrode cell. An Al spiral wire (Alfa Aesar, 99.95%) immersed in the bulk IL was used as the counter electrode, the reference electrode was an Al wire in a fritted glass tube filled with the same IL. The working electrode was a W wire (diameter =0.5 mm). The electrochemical experiments were performed with an EG&G PARC Model 263A potentiostat/galvanostat controlled with EG&G Model 270 software. High-resolution scanning electron microscopy (HITACHI, SU8000) was used to examine the morphology of the deposits.","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/10.1149/2.0021507EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308241","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: 6
Electrochemical Reactivity of KSi and NaSi Zintl Phases with Lithium KSi和NaSi Zintl相与锂的电化学反应性
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0021510EEL
V. Seznec, Premkumar Senguttuvan, D. Larcher, J. Tarascon
{"title":"Electrochemical Reactivity of KSi and NaSi Zintl Phases with Lithium","authors":"V. Seznec, Premkumar Senguttuvan, D. Larcher, J. Tarascon","doi":"10.1149/2.0021510EEL","DOIUrl":"https://doi.org/10.1149/2.0021510EEL","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/10.1149/2.0021510EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308590","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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