• Journal of Inorganic Materials
  • Vol. 34, Issue 6, 618 (2019)
Jian-Huang KE, Kai XIE, Yu HAN*, Wei-Wei SUN, Shi-Qiang LUO, and Jin-Feng LIU
Author Affiliations
  • Department of Material Science and Engineering, College of Aeronautics and Astronautics, National University of Defense Technology, Changsha 410073, China
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    DOI: 10.15541/jim20180425 Cite this Article
    Jian-Huang KE, Kai XIE, Yu HAN, Wei-Wei SUN, Shi-Qiang LUO, Jin-Feng LIU. Morphology Controlling of the High-voltage Cathode Materials with Different Co-solvents[J]. Journal of Inorganic Materials, 2019, 34(6): 618 Copy Citation Text show less
    XRD patterns of the LCP obtained from solvents (a) LCP-Theor. (ICSD#87422), (b) LCP-ET, (c) LCP-EG and (d) LCP-DEG
    1. XRD patterns of the LCP obtained from solvents (a) LCP-Theor. (ICSD#87422), (b) LCP-ET, (c) LCP-EG and (d) LCP-DEG
    SEM images of the LCP obtained from various solvents
    2. SEM images of the LCP obtained from various solvents
    Relationship curves for the viscosity and solubility with the average particle size of LCP powders obtained from different solvents
    3. Relationship curves for the viscosity and solubility with the average particle size of LCP powders obtained from different solvents
    Schematic illustration for nucleation and crystal growth of LiCoPO4 under solvothermal conditions
    4. Schematic illustration for nucleation and crystal growth of LiCoPO4 under solvothermal conditions
    (a) Capacity retentions and (b) specific capacities vs. C rate obtained in each cycle for LiCoPO4 samples synthesized by solvothermal process using various co-solvents
    5. (a) Capacity retentions and (b) specific capacities vs. C rate obtained in each cycle for LiCoPO4 samples synthesized by solvothermal process using various co-solvents
    (a) Charge and discharge profiles of the samples obtained from various solvents; (b) Cyclic voltammetry characteristics of LCP-EG at a scanning rate of 0.05 mV/s
    6. (a) Charge and discharge profiles of the samples obtained from various solvents; (b) Cyclic voltammetry characteristics of LCP-EG at a scanning rate of 0.05 mV/s
    SampleLCP-ETLCP-EGLCP-DEGLCP-Theor.
    a/nm1.01971.02031.02031.0200
    b/nm0.59160.59220.59200.5920
    c/nm0.47030.46980.46980.4690
    α90909090
    β90909090
    γ90909090
    V/nm30.28370.28390.28380.2832
    I(020)/I(200)5.9753.2082.8361.576
    Table 1. Variation of crystal parameters for LCP obtained from various solvents
    SampleLCP-ETLCP-EGLCP-DEG
    BET/(m2·g-1)1.14461.58401.3558
    Table 2. BET analysis of the three samples
    SolventH2OETEGDEG
    Viscosity/(mPa·S)1.0051.07419.935.7
    Boiling point/℃10078197.3245
    Table 3. Physical parameters of four solvents
    Jian-Huang KE, Kai XIE, Yu HAN, Wei-Wei SUN, Shi-Qiang LUO, Jin-Feng LIU. Morphology Controlling of the High-voltage Cathode Materials with Different Co-solvents[J]. Journal of Inorganic Materials, 2019, 34(6): 618
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