Method for preparing sodium-zirconium-silicon-phosphorus compound solid electrolyte
A solid electrolyte, solid electrolyte membrane technology, applied in solid electrolytes, non-aqueous electrolytes, circuits, etc., can solve the problems of high cost, complex preparation process of solid phase method, good performance, etc. Battery preparation, low price effect
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[0037] Example 1 Commercial nitrate and glycine are raw materials without any pretreatment. Firstly, weigh 15.4mmol lithium nitrate, 6mmol lanthanum nitrate, 4mmol zirconium nitrate, 0.48mmol aluminum nitrate and 12.94mmol glycine, dissolve them in deionized water, place them on an electric furnace, and heat them until they are evaporated to dryness and a combustion synthesis reaction occurs to obtain a white fluffy Powder material. The powder material is heated in a muffle furnace at 900°C for 4 hours to obtain cubic phase lithium lanthanum zirconium oxide. The obtained cubic phase lithium lanthanum zirconium oxide was ball milled at a rotation speed of 300 r / min for 10 hours to obtain cubic phase lithium lanthanum zirconium oxide nanopowder. The monomers polyethylene glycol diacrylate and polyethylene glycol diglycidyl ether were polymerized by adding 1wt% benzoyl peroxide, lithium bistrifluoromethanesulfonamide was added, and after stirring, 10wt% lithium lanthanum was adde...
Example Embodiment
[0038] Example 2 Commercial nitrate and urea are raw materials without any pretreatment. First weigh 15.4mmol lithium nitrate, 6mmol lanthanum nitrate, 4mmol zirconium nitrate, 0.48mmol aluminum nitrate and 15mmol urea, dissolve them in deionized water, place them on an electric furnace, and heat them until they are evaporated to dryness and a combustion synthesis reaction occurs to obtain a white fluffy powder Body material. The powder material was cold pressed at 200 MPa into a disc with a diameter of 15 mm, and then heated in a muffle furnace at 700° C. for 4 hours to obtain cubic phase lithium lanthanum zirconium oxide. The obtained cubic phase lithium lanthanum zirconium oxide was ball milled for 15 hours at a rotation speed of 300 r / min to obtain lithium lanthanum zirconium oxide nanopowder. 0.1% by weight of benzoyl peroxide was dissolved in 20 g of butyl acrylate and stirred at 85°C until a homogeneous solution was formed. Combine polyethylene glycol diacrylate with
...
Example Embodiment
[0040] Example 3 Commercial nitrate and glycine are raw materials without any pretreatment. First weigh 15.4mmol lithium nitrate, 6mmol lanthanum nitrate, 4mmol zirconyl nitrate, 0.48mmol aluminum nitrate and 10mmol glycine, dissolve them in deionized water, place them on an electric furnace, and heat them until they are evaporated to dryness and a combustion synthesis reaction occurs to obtain a white fluffy Powder material. The powder material was cold pressed at 200 MPa into a disc with a diameter of 10 mm, and then heated in a muffle furnace at 800° C. for 4 hours to obtain cubic phase lithium lanthanum zirconium oxide. The obtained cubic phase lithium lanthanum zirconium oxide was ball milled for 10 h at a ball milling speed of 300 r / min to obtain lithium lanthanum zirconium oxide nanopowder. Polylactic acid polyethylene glycol diacrylate according to the mass ratios of 95 / 5, 90 / 10, 85 / 15, 80 / 20 and 75 / 25, after stirring well at 170℃, add 20wt% lithium lanthanum zirconium...
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