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题名: Study on thermal decomposition of lithium hexafluorophosphate byTG-FT-IR coupling method
作者: Teng, XG ;  李法强 ;  Ma, PH ;  Ren, QD ;  Li, SY
刊名: THERMOCHIMICA ACTA
出版日期: 2005
卷号: 436, 期号:1-2, 页码:30-34
中文摘要: Using TG-FT-IR coupling method, direct evidences of the decomposition process of lithium hexafluorophosphate had been obtained. Studies showed that LiPF6 is stable under normal temperature when the content of water is very low. When heated, LiPF6 would react with the trace water in the air. HF and OPF3 would be released in the same time which could be detected from the FT-IR spectra collected in situ. The peak temperature of the decomposition of LiPF6 varied from 192.93 degrees C (average heating rate 2.0 degrees C min(-1)) to 223.83 degrees C (average heating rate 20.0 degrees C min(-1)). Based on the on-line FT-IR spectra, the characteristic absorption bands of PF6- in the decomposed substances were detected for the first time which might come from the reaction of trace HF with PF5. (c) 2005 Elsevier B.V. All rights reserved. Using TG-FT-IR coupling method, direct evidences of the decomposition process of lithium hexafluorophosphate had been obtained. Studies showed that LiPF6 is stable under normal temperature when the content of water is very low. When heated, LiPF6 would react with the trace water in the air. HF and OPF3 would be released in the same time which could be detected from the FT-IR spectra collected in situ. The peak temperature of the decomposition of LiPF6 varied from 192.93 degrees C (average heating rate 2.0 degrees C min(-1)) to 223.83 degrees C (average heating rate 20.0 degrees C min(-1)). Based on the on-line FT-IR spectra, the characteristic absorption bands of PF6- in the decomposed substances were detected for the first time which might come from the reaction of trace HF with PF5. (c) 2005 Elsevier B.V. All rights reserved.
英文摘要: 英文摘要
收录类别: SCI
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2320
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Teng, XG,Li, FQ,Ma, PH,et al. Study on thermal decomposition of lithium hexafluorophosphate byTG-FT-IR coupling method[J]. THERMOCHIMICA ACTA,2005,436(1-2):30-34.
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