Journal
JOURNAL OF POWER SOURCES
Volume 196, Issue 3, Pages 1417-1424Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2010.08.023
Keywords
Lithium difluoromono(oxalato)borate (LiDFOB); Hydrolysis; Lithium-ion batteries; Al corrosion; EQCM
Funding
- German Research Foundation (DFG) [544243, 544241]
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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.
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