Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Study on Decomposition of LiODFB Used as Electrolyte Lithium Salt of Lithium Ion Batteries
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1532-1536)
Author(s): Guo-feng Jia, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai, China
Fa-qiang Li, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai, China
Zheng-jun Peng, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai, China
Lei-lei Yang, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, Qinghai, China
Shi-you Li, College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, China
Abstract: Lithium-difluoro(oxalato)borate (LiODFB) become a potential electrolyte lithium salt for LiPF6 due to its unique chemical structure which combined advantages of Lithium-bis (oxalato) borate (LiBOB) and Lithium Tetrafluoroborate (LiBF4). The thermal decomposition process of LiODFB was analyzed by Thermal Gravimetric-Differential Thermal Gravimetric (TG-DTG) and Thermal Gravimetric coupled with Fourier Transform Infrared Spectroscopy (TG-FTIR). Results showed that the decomposition reaction of LiODFB at 240 oC,and at 600 oC decomposed completely. The thermal decomposed products were BF3, CO, CO2, and the final remains were LiF and LiBO2.
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