A kind of ceramic matrix composite solid electrolyte and preparation method thereof
A solid electrolyte, ceramic matrix composite technology, applied in solid electrolytes, non-aqueous electrolytes, circuits, etc., can solve the problems of poor interface contact, poor mechanical properties, low lithium ion conductivity, etc.
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Embodiment 1
[0037] A ceramic matrix composite solid electrolyte, the composite solid electrolyte includes Li1+xAlxTi2-x(PO4)3, polyvinylidene fluoride, lithium perchlorate and gel electrolyte, its thickness is 10-150μm, room temperature ionic conductivity is 1 *10 -4 S / cm~1*10 -3 S / cm, the electrochemical window is greater than 5.0V.
[0038] The mass proportion of Li1+xAlxTi2-x(PO4)3 in the composite solid electrolyte is 80%.
[0039] The mass proportion of polyvinylidene fluoride in the composite solid electrolyte is 5%.
[0040] The mass proportion of lithium perchlorate in the composite solid electrolyte is 10%.
[0041] The gel electrolyte contains polyethylene glycol diacrylate, electrolyte, methacryloxypropyltrimethoxysilane and azobisisobutyronitrile, and the mass ratio of the gel electrolyte in the composite solid electrolyte is 5% ;
[0042] Wherein, polyethylene glycol diacrylate accounts for 3% by mass in the gel electrolyte.
[0043] The mass ratio of methacryloxypropyl...
Embodiment 2
[0058] A ceramic-based composite solid electrolyte, the composite solid electrolyte includes Li7La3Zr2O12, polyvinylidene fluoride-hexafluoropropylene, bis(trifluoromethylsulfonate)imide lithium and gel electrolyte, its thickness is 10-150μm, room temperature ionic The conductivity is 1*10 -4 S / cm~1*10 -3 S / cm, the electrochemical window is greater than 5.0V.
[0059] The mass proportion of Li7La3Zr2O12 in the composite solid electrolyte is 60%.
[0060] The mass proportion of lithium bis(trifluoromethanesulfonate)imide in the composite solid state electrolyte is 20%.
[0061] The mass proportion of vinylidene fluoride-hexafluoropropylene in the composite solid electrolyte is 10%.
[0062] The gel electrolyte includes tetraethylene glycol dimethacrylate, electrolyte, butyl acrylate and azobisisoheptanonitrile, and the mass ratio of the gel electrolyte in the composite solid electrolyte is 10%;
[0063] Wherein, tetraethylene glycol dimethacrylate accounts for 4% by mass in...
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