Thermal studies on Li(CH3CN)4PF6 and Li(C4H10O2)2PF6 complexes by the TG-DTA-MS and DSC

被引：1
作者：
Zhong, Yanjun [1 ]
Li, Xuecong [1 ]
Gu, Zhanyong [1 ]
Wang, Xinlong [1 ]
Yang, Lin [1 ]
Yang, Xiushan [1 ]
Zhang, Zhiye [1 ]
Zhong, Benhe [1 ]
机构：
[1] Sichuan Univ, Coll Chem Engn, Chengdu 610065, Sichuan, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2018年 / 131卷 / 02期
关键词：
Li(CH3CN)(4)PF6; Li(C4H10O2)(2)PF6; Thermal decomposition; TG-MS-DTA; DSC; ION BATTERY ELECTROLYTES; LITHIUM HEXAFLUOROPHOSPHATE; DECOMPOSITION; STABILITY; LIPF6; INSIGHTS;
D O I：
10.1007/s10973-017-6640-6
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Li(CH3CN)(4)PF6 and Li(C4H10O2)(2)PF6 complexes are important intermediates created in the synthetic process of high-purity LiPF6 electrolyte via transformation method. The thermal decomposition behavior of as-prepared Li(CH3CN)(4)PF6 and Li(C4H10O2)(2)PF6 crystals in pure nitrogen atmosphere has been studied by means of thermogravimetric-differential thermal analysis coupled with mass spectrometry (TG-DTA-MS). Results suggest that the decomposition of Li(CH3CN)(4)PF6 complex can be roughly divided into a three-stage process, and CH3CN is the primary gas product of decomposition process for Li(CH3CN)(4)PF6 in open Al2O3 pans. Further insight into Li(C4H10O2)(2)PF6 crystal indicates that it undergoes a similar decomposition process to Li(CH3CN)(4)PF6. Accordingly, the detailed deduction of the thermal decomposition mechanism formulas for them was presented in this paper. Besides, the thermal behaviors of Li(CH3CN)(4)PF6 and Li(C4H10O2)(2)PF6 complexes in hermetic aluminum pan were also investigated by differential scanning calorimetry (DSC).
引用
收藏
页码：1287 / 1293
页数：7
相关论文
共 50 条
  • [41] C3H6 sensitive SmFeO3 prepared from thermal decomposition of heteronuclear complexes, {Ln[Fe(CN) 6]•nH2O}x (Ln = La, Sm, Dy)
    Matsushima, S
    Sano, N
    Sadaoka, Y
    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 2000, 108 (07) : 681 - 682
  • [42] Synthesis and thermal decomposition of lanthanide hexacyanochromate(iii) complexes, Ln[Cr(CN)6]·nH2O (Ln=La-Lu; n=3, 4)
    Y. Seto
    K. Umemoto
    T. Arii
    Y. Masuda
    Journal of Thermal Analysis and Calorimetry, 2004, 76 : 165 - 177
  • [43] Chelate complexes of lead(II) with nitrilotris(methylenephosphonic) acid [Pb{μ5-NH(CH2PO3H)3}] and Na4[Pb2(H2O)2{μ3-N(CH2PO3)3H2}2] • 10H2O: Synthesis, structure, and asymmetry of lone 6s pair
    Somov, N. V.
    Chausov, F. F.
    Zakirova, R. M.
    Reshetnikov, S. M.
    Shishkin, A. S.
    Shumilova, M. A.
    Aleksandrov, V. A.
    Petrov, V. G.
    CRYSTALLOGRAPHY REPORTS, 2017, 62 (06) : 857 - 867
  • [44] Synthesis and thermal decomposition of lanthanide hexacyanochromate(iii) complexes, Ln[Cr(CN)6]·nH2O (Ln=La-Lu; n=3, 4)
    R. R. Jia
    Y, X, Yang
    Y. R. Chen
    Y.Q. Jia
    Journal of Thermal Analysis and Calorimetry, 2004, 76 (1) : 157 - 163
  • [45] The synthesis, structures and characterizations of (C5H12NO)4Cd3Cl10•2H2O and (C5H12NO)2BiCl6•H5O2 crystals
    Shen, Chuanying
    Liu, Jie
    Wang, Xianzhe
    Zhu, Chuanrui
    Xing, Qiwei
    Zhang, Chenyi
    Yang, Kang
    Wang, Duanliang
    JOURNAL OF MOLECULAR STRUCTURE, 2025, 1322
  • [46] Ab initio investigations on lithium-superhalogen (Li-X) complexes (X = LiF2, BeF3, BF4 and PF6): competition between s-block and p-block anions
    Srivastava, Ambrish Kumar
    Misra, Neeraj
    MOLECULAR PHYSICS, 2015, 113 (08) : 866 - 870
  • [47] Synthesis and thermal decomposition of lanthanide hexacyanochromate(III) complexes, Ln[Cr(CN)6]•nH2O (Ln-La-Lu; n=3,4)
    Seto, Y
    Umemoto, K
    Arii, T
    Masuda, Y
    JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2004, 76 (01) : 165 - 177
  • [48] Spectroscopic, Structural and Thermal Properties of Three New Metal Nitrates Templated by DABCO: (C6H14N2)[MII(H2O)6](NO3)4 with MII: Mn, Ni and Zn
    Dhouha Ben Hassan
    Houcine Naïli
    Walid Rekik
    Journal of Inorganic and Organometallic Polymers and Materials, 2020, 30 : 2480 - 2488
  • [49] Synthesis, Characterization and Thermal Studies of Zn(II), Cd(II) and Hg(II) Complexes of N-Methyl-N-Phenyldithiocarbamate: The Single Crystal Structure of [(C6H5)(CH3)NCS2]4Hg2
    Onwudiwe, Damian C.
    Ajibade, Peter A.
    INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 2011, 12 (03) : 1964 - 1978
  • [50] Spectroscopic, Structural and Thermal Properties of Three New Metal Nitrates Templated by DABCO: (C6H14N2)[MII(H2O)6](NO3)4with MII: Mn, Ni and Zn
    Ben Hassan, Dhouha
    Naili, Houcine
    Rekik, Walid
    JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS, 2020, 30 (07) : 2480 - 2488
12345