Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt
In this study, the use of a <i>closo</i>-borate salt as an electrolyte for lithium-ion batteries (LIB) was evaluated in a series of solvent systems. The lithium <i>closo</i>-borate salts are a unique class of halogen-free salts that have the potential to offer some advantages...
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MDPI AG
2022-02-01
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author | Matthew Green Hovnan Simonyan Katty Kaydanik Joseph A. Teprovich |
author_facet | Matthew Green Hovnan Simonyan Katty Kaydanik Joseph A. Teprovich |
author_sort | Matthew Green |
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description | In this study, the use of a <i>closo</i>-borate salt as an electrolyte for lithium-ion batteries (LIB) was evaluated in a series of solvent systems. The lithium <i>closo</i>-borate salts are a unique class of halogen-free salts that have the potential to offer some advantages over the halogenated salts currently employed in commercially available LIB due to their chemical and thermal stability. To evaluate this concept, three different solvent systems were prepared with a lithium <i>closo</i>-borate salt to make a liquid electrolyte (propylene carbonate, ethylene carbonate:dimethyl carbonate, and 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide). The <i>closo</i>-borate containing electrolytes were then compared by utilizing them with three different electroactive electrode materials. Their cycle stability and performance at various charge/discharge rates was also investigated. Based on the symmetrical cell and galvanostaic cycling studies it was determined that the carbonate based liquid electrolytes performed better than the ionic liquid electrolyte. This work demonstrates that halogen free <i>closo</i>-borate salts are interesting candidates and worthy of further investigation as lithium salts for LIB. |
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spelling | doaj.art-4484bd6a6e9845e29d40f9a3cae5cfa52023-11-23T22:38:12ZengMDPI AGApplied Sciences2076-34172022-02-01125227310.3390/app12052273Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte SaltMatthew Green0Hovnan Simonyan1Katty Kaydanik2Joseph A. Teprovich3Department of Chemistry & Biochemistry, California State University Northridge, Northridge, CA 91330, USADepartment of Chemistry & Biochemistry, California State University Northridge, Northridge, CA 91330, USADepartment of Chemistry & Biochemistry, California State University Northridge, Northridge, CA 91330, USADepartment of Chemistry & Biochemistry, California State University Northridge, Northridge, CA 91330, USAIn this study, the use of a <i>closo</i>-borate salt as an electrolyte for lithium-ion batteries (LIB) was evaluated in a series of solvent systems. The lithium <i>closo</i>-borate salts are a unique class of halogen-free salts that have the potential to offer some advantages over the halogenated salts currently employed in commercially available LIB due to their chemical and thermal stability. To evaluate this concept, three different solvent systems were prepared with a lithium <i>closo</i>-borate salt to make a liquid electrolyte (propylene carbonate, ethylene carbonate:dimethyl carbonate, and 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide). The <i>closo</i>-borate containing electrolytes were then compared by utilizing them with three different electroactive electrode materials. Their cycle stability and performance at various charge/discharge rates was also investigated. Based on the symmetrical cell and galvanostaic cycling studies it was determined that the carbonate based liquid electrolytes performed better than the ionic liquid electrolyte. This work demonstrates that halogen free <i>closo</i>-borate salts are interesting candidates and worthy of further investigation as lithium salts for LIB.https://www.mdpi.com/2076-3417/12/5/2273<i>closo</i>-borateliquid electrolytelithiumFTIRgalvanostatic cyclinglithium-ion battery |
spellingShingle | Matthew Green Hovnan Simonyan Katty Kaydanik Joseph A. Teprovich Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt Applied Sciences <i>closo</i>-borate liquid electrolyte lithium FTIR galvanostatic cycling lithium-ion battery |
title | Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt |
title_full | Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt |
title_fullStr | Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt |
title_full_unstemmed | Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt |
title_short | Influence of Solvent System on the Electrochemical Properties of a <i>closo</i>-Borate Electrolyte Salt |
title_sort | influence of solvent system on the electrochemical properties of a i closo i borate electrolyte salt |
topic | <i>closo</i>-borate liquid electrolyte lithium FTIR galvanostatic cycling lithium-ion battery |
url | https://www.mdpi.com/2076-3417/12/5/2273 |
work_keys_str_mv | AT matthewgreen influenceofsolventsystemontheelectrochemicalpropertiesofaiclosoiborateelectrolytesalt AT hovnansimonyan influenceofsolventsystemontheelectrochemicalpropertiesofaiclosoiborateelectrolytesalt AT kattykaydanik influenceofsolventsystemontheelectrochemicalpropertiesofaiclosoiborateelectrolytesalt AT josephateprovich influenceofsolventsystemontheelectrochemicalpropertiesofaiclosoiborateelectrolytesalt |