A kind of magnesium air fiber battery and preparation method thereof
An air and fiber technology, applied in the field of magnesium air fiber battery and its preparation, can solve the problems of insufficient bendability and low energy density, and achieve the effects of improving discharge reaction, excellent flexibility, and inhibiting chemical corrosion.
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[0037] The preparation method of the high specific volume magnesium air fiber battery provided by the present invention comprises the following specific steps:
[0038] Coat the viscous-flowing organogel electrolyte on the smooth magnesium wire, then wait 5min-30min for the organogel electrolyte to dry and solidify; the specific thickness is selected according to the needs, and it is necessary to ensure that the magnesium wire is completely wrapped;
[0039] Cut out a piece of hydrogel electrolyte and wrap it on the magnesium wire that has been wrapped with the organogel electrolyte and cured; the thickness is selected according to the needs, and it is necessary to ensure that the hydrogel wraps the organogel;
[0040] The manganese dioxide / carbon nanotube film composite cathode was wound on the magnesium wire wrapped with hydrogel to complete the preparation of the integral air fiber battery.
[0041]In the field of metal-air batteries, an important problem has been the utili...
Embodiment 1
[0059] Preparation of viscous-fluid organogel electrolytes. Mix dichloromethane and acetone in a mass ratio of 40:1 to obtain solution A; mix 0.7 g of polyethylene oxide and 0.5 g of lithium bistrifluoromethanesulfonimide with 5 mL of solution A, and stir thoroughly to obtain a viscous solution. Fluid organogel electrolyte.
[0060] Preparation of hydrogel electrolyte. Measure 10 mL of deionized water; add 1.0 g of acrylamide and 2.1 g of lithium chloride to deionized water, stir and dissolve in an ice-water bath to form solution A; add 0.002 g of N,N′-methylenebisacrylamide and 0.02g of ammonium persulfate was added to solution A, stirred and dissolved at room temperature to form solution B; 8uL of tetramethylethylenediamine was added to solution B, stirred for 40s, and then poured into the bottom area of 100cm 2 in a clean petri dish; wait 30 min for the hydrogel precursor solution to gel.
[0061] Preparation of manganese dioxide / carbon nanotube thin film composite cat...
Embodiment 2
[0064] Preparation of viscous-fluid organogel electrolytes. Preparation of viscous-fluid organogel electrolytes. Mix methylene chloride and acetone in a mass ratio of 35:1 to obtain solution A; mix 0.9 g of polyethylene oxide and 0.4 g of lithium bistrifluoromethanesulfonimide 8 mL of solution A, and stir thoroughly to obtain a viscous flow state organogel electrolyte.
[0065] Preparation of hydrogel electrolyte. Measure 8 mL of deionized water; add 1.2 g of acrylamide and 1.8 g of lithium chloride to deionized water, stir and dissolve in an ice-water bath to form solution A; add 0.001 g of N,N′-methylenebisacrylamide and 0.01g of ammonium persulfate was added to solution A, stirred and dissolved at room temperature to form solution B; 6uL of tetramethylethylenediamine was added to solution B, stirred for 30s, and then poured into the bottom area of 121cm 2 in a clean petri dish; wait 20 min for the hydrogel precursor solution to gel.
[0066] Preparation of manganese d...
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