Electrochemical characterizaiton of electrolytes for lithium-ion batteries based on lithium difluoromono(oxalato)borate

Zugmann, Sandra and Moosbauer, Dominik and Amereller, Marius and Schreiner, Christian and Wudy, Franz and Schmitz, Rene and Schmitz, Raphael and Isken, Philipp and Dippel, Christian and Mueller, Romek and Kunze, Miriam and Lex-Balducci, Alexandra and Winter, Martin and Gores, Heiner Jakob (2011) Electrochemical characterizaiton of electrolytes for lithium-ion batteries based on lithium difluoromono(oxalato)borate. JOURNAL OF POWER SOURCES, 196 (3). pp. 1417-1424. ISSN 0378-7753, 1873-2755

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Abstract

The salt lithium difluoromono(oxalato)borate (LiDFOB) showed some promising results for lithium-ion-cells. It was synthesized via a new synthetic route that avoids chloride impurities. Here we report the properties of its solutions (solvent blend ethylene carbonate/diethyl carbonate (3:7, mass ratio), including its conductivity, cationic transference number, hydrolysis, Al-current collector corrosion-protection ability and its cycling performance with some electrode materials. Some Al-corrosion studies were also performed with the help of our recently developed computer controlled impedance scanning electrochemical quartz crystal microbalance (EQCM) that proofed to be a useful tool for battery material investigations. (C) 2010 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: TRANSPORT-PROPERTIES; LIQUIDS; LIPF6; LINI1/3CO1/3MN1/3O2; FLUOROANIONS; ANIONS; CELLS; SALTS; Lithium difluoromono(oxalato)borate (LiDFOB); Hydrolysis; Lithium-ion batteries; Al corrosion; EQCM
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Heiner Jakob Gores
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 Jun 2020 06:05
Last Modified: 26 Jun 2020 06:05
URI: https://pred.uni-regensburg.de/id/eprint/21288

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