Bibliographic Details
| Title: |
On the electrochemical and thermal behavior of lithium bis(oxalato)borate (LiBOB) solutions |
| Authors: |
Larush-Asraf, L.1, Biton, M.1, Teller, H.1, Zinigrad, E. zinigre@mail.biu.ac.il, Aurbach, D.1 |
| Source: |
Journal of Power Sources. Dec2007, Vol. 174 Issue 2, p400-407. 8p. |
| Subjects: |
Native element minerals, Electric resistors, Electrodes, Thermal analysis |
| Abstract: |
Abstract: In recent years, lithium bis(oxalato)borate, LiB(C2O4)2 (LiBOB) has been proposed as an alternative salt to the commonly used electrolyte, LiPF6. There is evidence of the enhanced stability of Li-ion battery electrodes in solutions of this salt, due to a unique surface chemistry developed in LiBOB solutions. The present study is aimed at further exploring the electrochemical and thermal properties of LiBOB solutions in mixtures of alkyl carbonates with non-active metal, graphite and lithium electrodes. FTIR spectroscopy, XPS, EQCM, in situ AFM imaging, and DSC were used in conjunction with standard electrochemical techniques. The study also included a comparison between LiBOB and LiPF6 solutions. The development of a favorable surface chemistry in LiBOB solutions that provides better passivation to Li and Li-graphite electrodes was clearly evident. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
