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INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT
International Peer Reviewed & Refereed Journals, Open Access Journal
ISSN Approved Journal No: 2456-4184 | Impact factor: 8.76 | ESTD Year: 2016
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Impact Factor : 8.76

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Paper Title: Oxidative decomposition mechanisms of lithium carbonate on carbon substrates in lithium battery chemistries
Authors Name: Dr. Sudhir Kumar Mishra
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IJNRD_183918
Published Paper Id: IJNRD2210182
Published In: Volume 7 Issue 10, October-2022
DOI: http://doi.one/10.1729/Journal.32144
Abstract: Lithium carbonate plays a critical role in both lithium-carbon dioxide and lithium-air batteries as the main discharge product and a product of side reactions, respectively. Understanding the decomposition of lithium carbonate during electrochemical oxidation (during battery charging) is key for improving both chemistries, but the decomposition mechanisms and the role of the carbon substrate remain under debate. Here, we use an in-situ differential electrochemical mass spectrometry-gas chromatography coupling system to quantify the gas evolution during the electrochemical oxidation of lithium carbonate on carbon substrates. Our results show that lithium carbonate decomposes to carbon dioxide and singlet oxygen mainly via an electrochemical process instead of via a chemical process in an electrolyte of lithium bis(trifluoromethanesulfonyl)imide in tetraglyme. Singlet oxygen attacks the carbon substrate and electrolyte to form both carbon dioxide and carbon monoxide—approximately 20% of the net gas evolved originates from these side reactions. Additionally, we show that cobalt(II,III) oxide, a typical oxygen evolution catalyst, stabilizes the precursor of singlet oxygen, thus inhibiting the formation of singlet oxygen and consequent side reactions.
Keywords: Overpotential, Gas chromatography, Singlet oxygen, DMS, 13C-substrate, Superoxide, Electrooxidative process, Elecrolyte degradation.
Cite Article: "Oxidative decomposition mechanisms of lithium carbonate on carbon substrates in lithium battery chemistries", International Journal of Novel Research and Development (www.ijnrd.org), ISSN:2456-4184, Vol.7, Issue 10, page no.437-461, October-2022, Available :http://www.ijnrd.org/papers/IJNRD2210182.pdf
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ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
Publication Details: Published Paper ID:IJNRD2210182
Registration ID: 183918
Published In: Volume 7 Issue 10, October-2022
DOI (Digital Object Identifier): http://doi.one/10.1729/Journal.32144
Page No: 437-461
Country: -, -, -
Research Area: Engineering
Publisher : IJ Publication
Published Paper URL : https://www.ijnrd.org/viewpaperforall?paper=IJNRD2210182
Published Paper PDF: https://www.ijnrd.org/papers/IJNRD2210182
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ISSN: 2456-4184
Impact Factor: 8.76 and ISSN APPROVED
Journal Starting Year (ESTD) : 2016

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