{"title":"Investigation of the Oxidative Stability of Li-Ion Battery Electrolytes Using Cathode Materials","authors":"A. Hofmann, Felix Werth, A. Höweling, T. Hanemann","doi":"10.1149/2.0071512EEL","DOIUrl":"https://doi.org/10.1149/2.0071512EEL","url":null,"abstract":"","PeriodicalId":11470,"journal":{"name":"ECS Electrochemistry Letters","volume":"4 1","pages":"141"},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1149/2.0071512EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64328612","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}
J. Robinson, Erik Engebretsen, D. Finegan, J. Darr, G. Hinds, P. Shearing, D. Brett
Effective thermal management is essential for maximising performance and durability of Li-ion batteries. Infrared thermal imaging is an established technique for studying temperature distribution in real-time with high spatial resolution; however, dynamic thermal imaging offers greater sensitivity, the ability to correct for emissivity variation and identify heat transfer mechanisms and internal defects. Here, for the first time, lock-in thermography using a thermal imaging camera is applied to Li-ion batteries to investigate the effect of periodic electro-thermal stimulation on the amplitude and phase response of both new and aged Li-ion pouch cells. We demonstrate the effectiveness of this technique in the detection of gas pockets formed during cell aging and propose its application in the identification of a range of internal defects in operational systems and validation of thermal models.
{"title":"Detection of Internal Defects in Lithium-Ion Batteries Using Lock-in Thermography","authors":"J. Robinson, Erik Engebretsen, D. Finegan, J. Darr, G. Hinds, P. Shearing, D. Brett","doi":"10.1149/2.0071509EEL","DOIUrl":"https://doi.org/10.1149/2.0071509EEL","url":null,"abstract":"Effective thermal management is essential for maximising performance and durability of Li-ion batteries. Infrared thermal imaging is an established technique for studying temperature distribution in real-time with high spatial resolution; however, dynamic thermal imaging offers greater sensitivity, the ability to correct for emissivity variation and identify heat transfer mechanisms and internal defects. Here, for the first time, lock-in thermography using a thermal imaging camera is applied to Li-ion batteries to investigate the effect of periodic electro-thermal stimulation on the amplitude and phase response of both new and aged Li-ion pouch cells. We demonstrate the effectiveness of this technique in the detection of gas pockets formed during cell aging and propose its application in the identification of a range of internal defects in operational systems and validation of thermal models.","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/10.1149/2.0071509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64328770","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}
{"title":"Fabrication of a Sensitive Sensor for Oxygen Using Nitrogen-Doped Carbon Nanotubes-Fe3C Nanoparticles","authors":"Endong Xing, Yujie Dong, Jun Shi, Weimin Huang","doi":"10.1149/2.0081508EEL","DOIUrl":"https://doi.org/10.1149/2.0081508EEL","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/10.1149/2.0081508EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64332859","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}
Junlei Tang, Q. Zhu, Yan Zhang, Xiao Zhang, Jinsong Guo, J. Shang
{"title":"Copper Bottom-up Filling for Through Silicon Via (TSV) Using Single JGB Additive","authors":"Junlei Tang, Q. Zhu, Yan Zhang, Xiao Zhang, Jinsong Guo, J. Shang","doi":"10.1149/2.0101509EEL","DOIUrl":"https://doi.org/10.1149/2.0101509EEL","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/10.1149/2.0101509EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64340434","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}
{"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}
Electroplating of aluminum (Al) on silicon (Si) substrates has been demonstrated in an above-room-temperature ionic liquid for the metallization of wafer-Si solar cells. The electrolyte was prepared by mixing anhydrous aluminum chloride and 1-ethyl-3-methylimidazolium tetrachloroaluminate. The plating was carried out by means of galvanostatic electrolysis. The structural and compositional properties of the Al deposits were characterized, and the sheet resistance of the deposits revealed the effects of pre-bake conditions, deposition temperature, and post-deposition annealing conditions. It was found that dense, adherent Al deposits with resistivity in the high 10[superscript −6] Ω-cm range can be reproducibly obtained directly on Si substrates.
{"title":"Electroplating of Aluminium on Silicon in an Ionic Liquid","authors":"Wen-cheng Sun, Xiaofei Han, M. Tao","doi":"10.1149/2.0021504EEL","DOIUrl":"https://doi.org/10.1149/2.0021504EEL","url":null,"abstract":"Electroplating of aluminum (Al) on silicon (Si) substrates has been demonstrated in an above-room-temperature ionic liquid for the metallization of wafer-Si solar cells. The electrolyte was prepared by mixing anhydrous aluminum chloride and 1-ethyl-3-methylimidazolium tetrachloroaluminate. The plating was carried out by means of galvanostatic electrolysis. The structural and compositional properties of the Al deposits were characterized, and the sheet resistance of the deposits revealed the effects of pre-bake conditions, deposition temperature, and post-deposition annealing conditions. It was found that dense, adherent Al deposits with resistivity in the high 10[superscript −6] Ω-cm range can be reproducibly obtained directly on Si substrates.","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/10.1149/2.0021504EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308378","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}
T. Nagano, Y. Sasajima, N. Ishikawa, Kunihiro Tamahashi, K. Hidaka, J. Onuki
{"title":"Pinning Effect of Fe(ClO) and Ti(ClO) Compounds on Cu Grain Growth in Very Narrow Cu Wires","authors":"T. Nagano, Y. Sasajima, N. Ishikawa, Kunihiro Tamahashi, K. Hidaka, J. Onuki","doi":"10.1149/2.0021511EEL","DOIUrl":"https://doi.org/10.1149/2.0021511EEL","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/10.1149/2.0021511EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64308506","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}
Xing Yang, Qiong Wang, J. Fan, Min Zhang, Zhaoying Zhou, Jia-cheng Ji
{"title":"Extremely Sensitive SERS Detection through the One-Step Fabrication of a Composite Nanostructure of Substrate and Analyte","authors":"Xing Yang, Qiong Wang, J. Fan, Min Zhang, Zhaoying Zhou, Jia-cheng Ji","doi":"10.1149/2.0051512EEL","DOIUrl":"https://doi.org/10.1149/2.0051512EEL","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/10.1149/2.0051512EEL","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64320653","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}
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