Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive

Abstract A novel dicationic room temperature ionic liquid, 1,1′-(5,14-dioxo-4,6,13,15-tetraazaoctadecane-1,18-diyl) bis(3-(sec-butyl)-1H-imidazol-3-ium) bis((trifluoromethyl)-sulfonyl) imide has been synthesized and fully characterized. Its thermal and electrochemical analyses along with transport p...

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Autores principales:	Kajari Chatterjee, Anil D. Pathak, Avinash Lakma, Chandra Shekhar Sharma, Kisor Kumar Sahu, Akhilesh Kumar Singh
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cd588db4849946e48934e3521c321dc0
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spelling	oai:doaj.org-article:cd588db4849946e48934e3521c321dc02021-12-02T17:40:46ZSynthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive10.1038/s41598-020-66341-x2045-2322https://doaj.org/article/cd588db4849946e48934e3521c321dc02020-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-66341-xhttps://doaj.org/toc/2045-2322Abstract A novel dicationic room temperature ionic liquid, 1,1′-(5,14-dioxo-4,6,13,15-tetraazaoctadecane-1,18-diyl) bis(3-(sec-butyl)-1H-imidazol-3-ium) bis((trifluoromethyl)-sulfonyl) imide has been synthesized and fully characterized. Its thermal and electrochemical analyses along with transport properties have been studied. We propose it as a potential nominal additive to the commonly used conventional organic carbonate electrolyte mixture and study its adaptability in Lithium-ion batteries which are the prime power sources for ultraportable electronic devices. We have compared the performance characteristics of the full cells made without and with this ionic liquid. The cells comprise lithium nickel cobalt manganese oxide cathode, graphite anode and ethylene carbonate - dimethyl carbonate (1:1, v/v + LiPF6) mixture electrolyte with nominal amount of ionic liquid as additive. The major concern with conventional electrolytes such as degradation of the materials inside batteries has been addressed by this electrolyte additive. Additionally, this additive is safer at relatively higher temperature. In its presence, the overall battery life is enhanced and it shows good cycling performance and coulombic efficiency with better discharge capacities (22% higher) after 100 cycles. Even after the increase in current rate from 10 mA/g to 100 mA/g, the cell still retains around 73% of capacity.Kajari ChatterjeeAnil D. PathakAvinash LakmaChandra Shekhar SharmaKisor Kumar SahuAkhilesh Kumar SinghNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kajari Chatterjee Anil D. Pathak Avinash Lakma Chandra Shekhar Sharma Kisor Kumar Sahu Akhilesh Kumar Singh Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
description	Abstract A novel dicationic room temperature ionic liquid, 1,1′-(5,14-dioxo-4,6,13,15-tetraazaoctadecane-1,18-diyl) bis(3-(sec-butyl)-1H-imidazol-3-ium) bis((trifluoromethyl)-sulfonyl) imide has been synthesized and fully characterized. Its thermal and electrochemical analyses along with transport properties have been studied. We propose it as a potential nominal additive to the commonly used conventional organic carbonate electrolyte mixture and study its adaptability in Lithium-ion batteries which are the prime power sources for ultraportable electronic devices. We have compared the performance characteristics of the full cells made without and with this ionic liquid. The cells comprise lithium nickel cobalt manganese oxide cathode, graphite anode and ethylene carbonate - dimethyl carbonate (1:1, v/v + LiPF6) mixture electrolyte with nominal amount of ionic liquid as additive. The major concern with conventional electrolytes such as degradation of the materials inside batteries has been addressed by this electrolyte additive. Additionally, this additive is safer at relatively higher temperature. In its presence, the overall battery life is enhanced and it shows good cycling performance and coulombic efficiency with better discharge capacities (22% higher) after 100 cycles. Even after the increase in current rate from 10 mA/g to 100 mA/g, the cell still retains around 73% of capacity.
format	article
author	Kajari Chatterjee Anil D. Pathak Avinash Lakma Chandra Shekhar Sharma Kisor Kumar Sahu Akhilesh Kumar Singh
author_facet	Kajari Chatterjee Anil D. Pathak Avinash Lakma Chandra Shekhar Sharma Kisor Kumar Sahu Akhilesh Kumar Singh
author_sort	Kajari Chatterjee
title	Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
title_short	Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
title_full	Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
title_fullStr	Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
title_full_unstemmed	Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
title_sort	synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/cd588db4849946e48934e3521c321dc0
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Synthesis, characterization and application of a non-flammable dicationic ionic liquid in lithium-ion battery as electrolyte additive

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