All-solid-state composite electrolyte based on glass fiber vertical array structure and preparation method thereof
A composite electrolyte and array structure technology, applied in the field of solid electrolyte materials, can solve problems such as ionic conductivity and safety limitations, and achieve the effects of low cost, enhanced lithium ion transport channels, and high ionic conductivity
Active Publication Date: 2020-09-11
NANJING UNIV OF POSTS & TELECOMM
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Abstract
The invention discloses an all-solid-state composite electrolyte based on a glass fiber vertical array structure and a preparation method thereof. The all-solid-state composite electrolyte with the thickness of 80-500 microns and the vertical array structure is prepared from a polymer and a lithium salt according to a molar ratio of 15: 1-25: 1 and 500-1000 g of a glass fiber electrolyte, and thepolymer is particles or powder. The preparation method comprises the following steps: (1), preparing polymer electrolyte powder; (2), preparing a glass fiber electrolyte; and (3), preparing and assembling the glass fiber vertical array composite electrolyte. The all-solid-state composite electrolyte is prepared; a continuous through lithium ion transmission path is formed by utilizing the glass electrolyte fibers, so that the all-solid-state composite electrolyte has the characteristic of high ionic conductivity (the highest room-temperature ionic conductivity reaching 3.3*10<-4 > S/cm); meanwhile, the overall specific capacity (the highest specific capacity reaching 119.7 mAh/g) of the lithium ion all-solid-state battery can be remarkably improved.
Application Domain
Final product manufactureElectrolyte accumulators manufacture +1
Technology Topic
Solid-state batteryAll solid state +9
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PUM
Property | Measurement | Unit |
Thickness | 80.0 ~ 500.0 | µm |
Diameter | 10.0 ~ 15.0 | µm |
Thickness | 500.0 | µm |
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