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Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries

Horwitz, Gabriela et al · American Chemical Society · 2019

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The choice of optimal electrolytes is crucial for improving the electrochemical performance of a lithium air battery because it determines the morphology of the discharge products in the cathode and the conductivity of the electrolyte. We have critically analyzed an important aspect related to the behavior of highly associated electrolytes, as those used in lithium-air batteries: the prediction of the concentration of maximum conductivity. Lithium triflate and lithium bis(tri-fluoromethyl sulfonyl)imide in glymes of low dielectric constant (1,2-di-methoxyethane and bis(2-methoxy-ethyl)ether) were used as a model of electrolytes exhibiting strong ionic clustering. The viscosity and lithium transference number of all the electrolytes were measured, and it was found that the correlation between the concentration of maximum conductivity and coefficient that describes the high-order dependence of the electrolyte viscosity with the concentration is no longer valid in these electrolytes because of the failure of Walden´s rule, although a qualitative correlation with the salts´ association constant was observed. Fil: Horwitz, Gabriela. Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. - Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología; Argentina Fil: Rodríguez, Cristian. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina

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APA 7

Horwitz, G. E. A. (2019). Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries. http://hdl.handle.net/11336/121701

MLA

Horwitz, Gabriela et al. "Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries." 2019. http://hdl.handle.net/11336/121701.

Chicago

Horwitz, Gabriela et al. 2019. "Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries.". http://hdl.handle.net/11336/121701.

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Horwitz, G. E. A. 2019, Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries, American Chemical Society, available at: http://hdl.handle.net/11336/121701 [Accessed 8 Aug. 2026].

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Titolo
Maximum Electrical Conductivity of Associated Lithium Salts in Solvents for Lithium-Air Batteries
Autore / collaboratori
Horwitz, Gabriela et al
Editore
American Chemical Society
Anno di pubblicazione
2019
ISSN
1932-7447
ISSN
1932-7447
Lingua
Inglés

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