Journal
MATERIA-RIO DE JANEIRO
Volume 27, Issue 1, Pages -Publisher
UNIV FED RIO DE JANEIRO, LAB HIDROGENIO
DOI: 10.1590/S1517-707620220001.1358
Keywords
electrolyte; lithium ionic conductivity; electrochemical properties; impedance spectroscopy
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Funding
- BRNS, Department of Atomic Energy, Government of India [2012/34/71/BRNS]
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The study explored a non-aqueous electrolyte system with LiNfO as the salt and PC, DME as the solvent for lithium battery applications, showing high ionic conductivity and potential window stability, with fabricated lithium ion cells exhibiting high specific discharge capacity. The potential advantages of the proposed NALE are discussed in detail.
The non-aqueous electrolyte system comprising of the lithium nonafluoro-1-butane sulfonate (LiNfO) as a potential lithium ion-conducting salt in an equivalent binary mixture of propylene carbonate (PC) and 1, 2-dimethoxyethane (DME) as the solvent was explored for the lithium battery applications. The LiNfO based non-aqueous liquid electrolyte (NALE) system showed the highest ionic conductivity of 2.66 x 10(-3) S cm(-1) at ambient temperature, and a potential window stability of similar to 5 V. The lithium ion cells, Li/NALE//LiCoO2 were fabricated with the proposed non-aqueous electrolyte. The cell with particular composition of electrolyte delivered a high specific discharge capacity of 154 mA h g(-1) at ambient temperature. The potential advantages of the proposed NALE are discussed in detail.
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