Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte

[Image: see text] The conversion reaction is important in lithium-ion batteries because it governs the overall battery performance, such as initial Coulombic efficiency, capacity retention, and rate capability. Here, we have demonstrated in situ observation of the complete conversion reaction and ag...

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Autores principales: Chang, Joon Ha, Cheong, Jun Young, Yuk, Jong Min, Kim, Chanhoon, Kim, Sung Joo, Seo, Hyeon Kook, Kim, Il-Doo, Lee, Jeong Yong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2017
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6645017/
https://www.ncbi.nlm.nih.gov/pubmed/31457239
http://dx.doi.org/10.1021/acsomega.7b01046
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author Chang, Joon Ha
Cheong, Jun Young
Yuk, Jong Min
Kim, Chanhoon
Kim, Sung Joo
Seo, Hyeon Kook
Kim, Il-Doo
Lee, Jeong Yong
author_facet Chang, Joon Ha
Cheong, Jun Young
Yuk, Jong Min
Kim, Chanhoon
Kim, Sung Joo
Seo, Hyeon Kook
Kim, Il-Doo
Lee, Jeong Yong
author_sort Chang, Joon Ha
collection PubMed
description [Image: see text] The conversion reaction is important in lithium-ion batteries because it governs the overall battery performance, such as initial Coulombic efficiency, capacity retention, and rate capability. Here, we have demonstrated in situ observation of the complete conversion reaction and agglomeration of nanoparticles (NPs) upon lithiation by using graphene liquid cell transmission electron microscopy. The observation reveals that the Sn NPs are nucleated from the surface of SnO(2), followed by merging with each other. We demonstrate that the agglomeration has a stepwise process, including rotation of a NP, formation of necks, and subsequent merging of individual NPs.
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spelling pubmed-66450172019-08-27 Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte Chang, Joon Ha Cheong, Jun Young Yuk, Jong Min Kim, Chanhoon Kim, Sung Joo Seo, Hyeon Kook Kim, Il-Doo Lee, Jeong Yong ACS Omega [Image: see text] The conversion reaction is important in lithium-ion batteries because it governs the overall battery performance, such as initial Coulombic efficiency, capacity retention, and rate capability. Here, we have demonstrated in situ observation of the complete conversion reaction and agglomeration of nanoparticles (NPs) upon lithiation by using graphene liquid cell transmission electron microscopy. The observation reveals that the Sn NPs are nucleated from the surface of SnO(2), followed by merging with each other. We demonstrate that the agglomeration has a stepwise process, including rotation of a NP, formation of necks, and subsequent merging of individual NPs. American Chemical Society 2017-10-03 /pmc/articles/PMC6645017/ /pubmed/31457239 http://dx.doi.org/10.1021/acsomega.7b01046 Text en Copyright © 2017 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
spellingShingle Chang, Joon Ha
Cheong, Jun Young
Yuk, Jong Min
Kim, Chanhoon
Kim, Sung Joo
Seo, Hyeon Kook
Kim, Il-Doo
Lee, Jeong Yong
Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title_full Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title_fullStr Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title_full_unstemmed Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title_short Direct Realization of Complete Conversion and Agglomeration Dynamics of SnO(2) Nanoparticles in Liquid Electrolyte
title_sort direct realization of complete conversion and agglomeration dynamics of sno(2) nanoparticles in liquid electrolyte
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6645017/
https://www.ncbi.nlm.nih.gov/pubmed/31457239
http://dx.doi.org/10.1021/acsomega.7b01046
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