Conductivity of LiBOB in various ternary solvent blends and the electrochemical performance of LiBOB-PC/EMC/DMC used in Li/MCMB and LiFePO4/Li cells |
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| Authors: | S Y Li P H Ma S T Song Q D Ren F Q Li |
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| Institution: | (1) Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008, China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100039, China |
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| Abstract: | The solid-state reaction was employed to obtain LiBOB in vacuum dryer at 100°C, with the dryer of P2O5. The resulting LiBOB was employed in various ternary solvent blends to get the k, and its change with salt, solvent composition and temperature. 0.7 M LiBOB-PC/EMC/DMC (1: 1: 1, v: v: v) and 0.5 M LiBOB-EC/EMC/DMC
(1: 1: 1, v: v: v) were observed to have better k at wide θ range, and the former was chosen to assemble Li/MCMB and LiFePO4/Li cells. The results indicated that it can stabilize the MCMB anodes, and exhibit good stability in LiFePO4/Li cell.
Published in Russian in Elektrokhimiya, 2008, Vol. 44, No. 10, pp. 1231–1236.
The text was submitted by the authors in English. |
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| Keywords: | LiBOB conductivity LiFePO4 MCMB |
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