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ECS Electrochemistry Letters最新文献

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In Situ Observation of Dynamic Meniscus Front Interface in Alkaline Fuel Cell 碱性燃料电池动态半月板前界面的原位观测
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0031507EEL
H. Matsushima, Wataru Majima, Y. Fukunaka, M. Ueda
{"title":"In Situ Observation of Dynamic Meniscus Front Interface in Alkaline Fuel Cell","authors":"H. Matsushima, Wataru Majima, Y. Fukunaka, M. Ueda","doi":"10.1149/2.0031507EEL","DOIUrl":"https://doi.org/10.1149/2.0031507EEL","url":null,"abstract":"Controlling the wetting properties at the three-phase interface is important for improving the performance of alkaline fuel cells. The meniscus of a potassium hydroxide droplet was formed on a nickel electrode, and the interference fringe during the oxygen reduction reaction was observed by confocal laser microscopy. The high spatial resolution of the microscope revealed thin film formation at the meniscus front interface. The thickness decreased with increasing cathodic potential. The generation of microscopic convection by interfacial surface tension may affect mass transfer in the thin film.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0031507EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64312777","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
Ni-Rich Layered Oxide Li1.05(Ni0.7Mn0.3)O2 as a Highly Reversible Cathode Material for Lithium-Ion Batteries 富镍层状氧化物Li1.05(Ni0.7Mn0.3)O2作为高可逆锂离子电池正极材料
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0041506EEL
Shengwen Zhong, Peng Chen, Wenli Yao
{"title":"Ni-Rich Layered Oxide Li1.05(Ni0.7Mn0.3)O2 as a Highly Reversible Cathode Material for Lithium-Ion Batteries","authors":"Shengwen Zhong, Peng Chen, Wenli Yao","doi":"10.1149/2.0041506EEL","DOIUrl":"https://doi.org/10.1149/2.0041506EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0041506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64316176","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
Self-Assembled Monolayer of Au Nanodots Deposited on Porous Semiconductor Structures 自组装单层金纳米点沉积在多孔半导体结构上
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0041504EEL
I. Tiginyanu, E. Monaico, K. Nielsch
{"title":"Self-Assembled Monolayer of Au Nanodots Deposited on Porous Semiconductor Structures","authors":"I. Tiginyanu, E. Monaico, K. Nielsch","doi":"10.1149/2.0041504EEL","DOIUrl":"https://doi.org/10.1149/2.0041504EEL","url":null,"abstract":"We demonstrate the possibility to cover the surface of GaP and InP porous structures by a self-assembled monolayer of electrochemically deposited nanoscale Au nanodots. After nucleation, each dot was found to increase in sizes up to a critical transverse dimension, the process of pulsed electrodeposition of gold being continuously supported by the formation of new nanodots. The density of deposited Au dots is shown to be dependent upon the number and width of the applied voltage pulses. The deposition of \"size-saturated\" dots continues until the entire surface exposed to the electrolyte is covered by a monolayer of self-assembled Au nanodots.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0041504EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64316421","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
Electrochemically Induced Conversion of Urea to Ammonia 电化学诱导尿素转化为氨
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0041510EEL
F. Lu, G. Botte
{"title":"Electrochemically Induced Conversion of Urea to Ammonia","authors":"F. Lu, G. Botte","doi":"10.1149/2.0041510EEL","DOIUrl":"https://doi.org/10.1149/2.0041510EEL","url":null,"abstract":"A novel electrochemically induced method for ammonia synthesis (eU2A) on demand from urea in alkaline media was demonstrated. A Nickel based electrode was employed as the active catalyst. The effective rate of ammonia generation of the eU2A process at 70°C is ~28 times higher than the thermal hydrolysis (THU) of urea. The eU2A operates at lower temperature (55% lower) and pressure (6 times lower) than the THU; this could lead to significant energy savings. The process finds applications on selective catalytic reduction (SCR) for the removal of nitride oxide from combustion systems (e.g., diesel vehicles, power plants, etc.).","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0041510EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64316468","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
Development and Evaluation of Prussian Blue Mediated Glucose Sensor for Reverse Iontophoresis Application 用于反离子导入的普鲁士蓝介导葡萄糖传感器的研制与评价
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0051511EEL
E. K. Varadharaj, N. Jampana
{"title":"Development and Evaluation of Prussian Blue Mediated Glucose Sensor for Reverse Iontophoresis Application","authors":"E. K. Varadharaj, N. Jampana","doi":"10.1149/2.0051511EEL","DOIUrl":"https://doi.org/10.1149/2.0051511EEL","url":null,"abstract":"The screen printed electrochemical glucose sensor is developed suitable for revere iontophoresis (RI) application. Glucose oxidase is immobilized on screen printed sensor using crosslinking method. Electrochemical and material characterization studies are conducted on the developed sensor and the obtained results confirm the suitability of the developed sensor for RI application. The developed sensor is validated by conducting clinical investigations on 10 human subjects through RI. A correlation is established between the blood glucose and extracted glucose, and correlation is found to be 0.73. (C) 2015 The Electrochemical Society. All rights reserved.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0051511EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64320507","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
Effects of Rotating Magnetic Fields on Nickel Electro-Deposition 旋转磁场对镍电沉积的影响
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0101506EEL
Tianfei Wang, Weixing Chen
{"title":"Effects of Rotating Magnetic Fields on Nickel Electro-Deposition","authors":"Tianfei Wang, Weixing Chen","doi":"10.1149/2.0101506EEL","DOIUrl":"https://doi.org/10.1149/2.0101506EEL","url":null,"abstract":"Numerous studies concerning the electro-deposition in the presence of the magneticfield have been published in the past years. 1‐8 All these investigations are involved in the application of static magnetic field. So far, less emphasis has been focused on the employment of alternative magneticfield in electro-deposition, and all the relevant reports are about using alternative magnetic field as an electrochemical method, 5,9 rather than an engineering approach. The crucial difference between the alternative magnetic field and the static one in terms of the effect on electrodeposition is the induced electric field. The alternative magnetic field thus may produce some specific influences on the charged ions in the electrolysis system. Inthispaper,theeffectsofalternativemagneticfieldontheproperties of nickel electro-deposition were examined. The alternative magnetic field was generated by spinning permanent magnets. Special attention was paid to the relationship between the magnets’ rotating speed and the nickel deposit’s surface morphology and preferred orientation. The characterization of the deposited nickel was conducted by electrochemical tests, SEM, AFM, and XRD techniques.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0101506EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64340321","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
Layered Double Hydroxide as a Potential Electrolyte Material in Solid-State Alkaline Fuel Cell Catalyst Layer 层状双氢氧化物作为固态碱性燃料电池催化剂层中潜在的电解质材料
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0111507EEL
H. Ohashi, Hangzhou Zhang, Peilin Zhang, Takanori Tamaki, G. Anilkumar, Takeo Yamaguchi
{"title":"Layered Double Hydroxide as a Potential Electrolyte Material in Solid-State Alkaline Fuel Cell Catalyst Layer","authors":"H. Ohashi, Hangzhou Zhang, Peilin Zhang, Takanori Tamaki, G. Anilkumar, Takeo Yamaguchi","doi":"10.1149/2.0111507EEL","DOIUrl":"https://doi.org/10.1149/2.0111507EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0111507EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64343849","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
Preparation of Mesoporous Si@PAN Electrodes for Li-Ion Batteries via the In-Situ Polymerization of PAN 原位聚合法制备锂离子电池介孔Si@PAN电极
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011503EEL
Thomas A. Yersak, Jaewook Shin, Ziying Wang, Daniel Estrada, J. Whiteley, Sehee Lee, M. Sailor, Y. Meng
{"title":"Preparation of Mesoporous Si@PAN Electrodes for Li-Ion Batteries via the In-Situ Polymerization of PAN","authors":"Thomas A. Yersak, Jaewook Shin, Ziying Wang, Daniel Estrada, J. Whiteley, Sehee Lee, M. Sailor, Y. Meng","doi":"10.1149/2.0011503EEL","DOIUrl":"https://doi.org/10.1149/2.0011503EEL","url":null,"abstract":"(electrode), the first cycle coulombic efficiency of these electrodeswas still less than 50% without a pre-lithiation treatment. The results of an all-solid-state battery experiment confirmed that low firstcycle reversibility should be attributed primarily to mechanical pulverization of the internal porous structure of mp-Si particles.© 2015 The Electrochemical Society. [DOI: 10.1149/2.0011503eel] All rights reserved.Manuscript received December 12, 2014. Published January 9, 2015.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0011503EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303265","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
The Graphitization of Cellular Carbons and Their Electrochemical Performances in Electrical Double-Layer Capacitors 双层电容器中细胞碳的石墨化及其电化学性能
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0011511EEL
Zijie Xu, Jingya Wang, Fenfen Wang, Z. Hu, L. Gan
{"title":"The Graphitization of Cellular Carbons and Their Electrochemical Performances in Electrical Double-Layer Capacitors","authors":"Zijie Xu, Jingya Wang, Fenfen Wang, Z. Hu, L. Gan","doi":"10.1149/2.0011511EEL","DOIUrl":"https://doi.org/10.1149/2.0011511EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0011511EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64303943","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
Detection of Li Deposition by Glow Discharge Optical Emission Spectroscopy in Post-Mortem Analysis 辉光放电光谱法检测死后分析中的锂沉积
ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI: 10.1149/2.0041509EEL
N. Ghanbari, T. Waldmann, M. Kasper, P. Axmann, M. Wohlfahrt‐Mehrens
{"title":"Detection of Li Deposition by Glow Discharge Optical Emission Spectroscopy in Post-Mortem Analysis","authors":"N. Ghanbari, T. Waldmann, M. Kasper, P. Axmann, M. Wohlfahrt‐Mehrens","doi":"10.1149/2.0041509EEL","DOIUrl":"https://doi.org/10.1149/2.0041509EEL","url":null,"abstract":"Glow discharge optical emission spectroscopy (GD-OES) is employed to detect and quantify Li deposition as a function of depth on graphite electrodes. Commercial cells with graphite anodes were subject to Li plating by being cycled at 5°C. A comparison is made with graphite electrodes with solid electrolyte interphase (SEI) after formation. Depth profiles of O, Li, and C show different surface effects in terms of thickness and Li content, with significantly higher Li concentration in the case of Li deposition.","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0041509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64316066","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: 51
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