Chlorine-doped titanium dioxide/carbon porous structure and preparation method thereof
A porous structure, titanium dioxide technology, applied in the direction of titanium dioxide, titanium oxide/hydroxide, carbon preparation/purification, etc., can solve the problems of difficult operation, high safety hazard, low doping ratio, etc., and achieve low price and high Battery performance, effect of increasing specific surface area
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[0033] Example 1
[0034] Step 1), 400mg commercial TIO 2 100 mg of a hydrated citric acid was added to 50 ml of deionized water, stirred for 30 min to mix uniform, after which 1 g of sodium alginate was added, stirred for 6 h to obtain a uniform mixing suspension.
[0035] Step 2), the above-mentioned suspension was dripped into 50 ml of nitrate solution (1 mol / L), and after standing for 12 h, filtration was removed, and the colloid was removed, and after cryogenic drying, TiO obtained2 / Alginate composite.
[0036] Step 3) Put the above TiO 2 / The sedation of zinc alginate is raised to 500 ° C from the temperature of 2 ° C / min in argon at room temperature to 500 ° C and heat it for 2 h, followed by 1 mol / l HNO. 3 Soak 12h, remove zinc oxide, then washed three times with water, dry at 60 ° C to give TiO 2 / C porous structure.
[0037] Step 4), 100 mg of the above TiO 2 / C porous structure with 2G NH 4 The mixture was mixed with 10 min, allowed to mix well, and the mixed...
Example Embodiment
[0039] Example 2
[0040] Step 1), 500mg commercial TIO 2 100 mg of a hydrated citric acid was added to 50 ml of deionized water, stirred for 30 min to mix uniform, after which 1 g of sodium alginate was added, stirred for 6 h to obtain a uniform mixing suspension.
[0041] Step 2), the above-mentioned suspension was dripped into 50 ml of nitrate solution (1 mol / L), and after standing for 12 h, filtration was removed, and the colloid was removed, and after cryogenic drying, TiO obtained 2 / Alginate composite.
[0042] Step 3) Put the above TiO 2 / The sedation of zinc alginate is raised to 500 ° C from the temperature of 2 ° C / min in argon at room temperature to 500 ° C and heat it for 2 h, followed by 1 mol / l HNO. 3 Soak 12h, remove zinc oxide, then washed three times with water, dry at 60 ° C to give TiO 2 / C porous structure.
[0043] Step 4), 100 mg of the above TiO 2 / C porous structure with 2G NH 4 The mixture was mixed with 10 min, allowed to mix well, and the mixe...
Example Embodiment
[0045] Example 3
[0046] Step 1), use 600mg commercial TIO 2 100 mg of a hydrated citric acid was added to 50 ml of deionized water, stirred for 30 min to mix uniform, after which 1 g of sodium alginate was added, stirred for 6 h to obtain a uniform mixing suspension.
[0047] Step 2), the above-mentioned suspension was dripped into 50 ml of nitrate solution (1 mol / L), and after standing for 12 h, filtration was removed, and the colloid was removed, and after cryogenic drying, TiO obtained 2 / Alginate composite.
[0048] Step 3) Put the above TiO 2 / The sedation of zinc alginate is raised to 500 ° C from the temperature of 2 ° C / min in argon at room temperature to 500 ° C and heat it for 2 h, followed by 1 mol / l HNO. 3 Soak 12h, remove zinc oxide, then washed three times with water, dry at 60 ° C to give TiO 2 / C porous structure.
[0049] Step 4), 100 mg of the above TiO 2 / C porous structure with 2G NH 4 The mixture was mixed with 10 min, allowed to mix well, and the ...
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