Composition and application thereof to preparation of alpha-nickel hydroxide
A technology of composition and nickel salt, which is applied in the direction of nickel storage battery, electrical components, battery electrodes, etc., can solve the problem of high preparation cost and achieve the effect of low cost
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Embodiment 1
[0025] Weigh 0.02 mol of nickel salt and dissolve it in 50 ml of deionized water to prepare 0.4 mol / L nickel salt solution 1. Weigh 0.001 mol of calcium salt and dissolve it in 50 ml of deionized water to prepare 0.02 mol / L calcium salt solution 1. After mixing nickel salt solution 1 and calcium salt solution 1, add 0.1 g of dispersant and stir to obtain the first product 1.
[0026] Weigh 0.04 mol of strong base and dissolve it in 100 ml of deionized water to prepare 0.4 mol / L strong base solution 1. Add 0.25 g of soluble phosphate and an acid-base buffer to the strong base solution 1 to adjust the pH of the system to 9, and stir to obtain the second product 1.
[0027] The first product 1 and the second product 1 were dropped into the ultrasonic reactor at a rate of 25 drops per minute respectively, and after the addition was completed, the ultrasonic reaction was continued for 5 h until the reaction was complete. The ultrasonic power of the ultrasonic reaction is 60W, the...
Embodiment 2
[0030] Weigh 0.02 mol of nickel salt and dissolve it in 50 ml of deionized water to prepare 0.4 mol / L nickel salt solution 2. Weigh 0.002 mol of calcium salt and dissolve it in 50 ml of deionized water to prepare 0.04 mol / L calcium salt solution 2. After mixing the nickel salt solution 2 and the calcium salt solution 2, add 0.1 g of a dispersant and stir to obtain the first product 2.
[0031] Weigh 0.04 mol of strong base and dissolve it in 100 ml of deionized water to prepare 0.4 mol / L strong base solution 2. Add 0.50 g of soluble phosphate and acid-base buffer to the strong alkali solution 2, adjust the pH of the system to 9, and stir to obtain the second product 2.
[0032] The first product 2 and the second product 2 were respectively dropped into the ultrasonic reactor at a rate of 25 drops per minute, and the ultrasonic reaction was continued for 5 hours after the dropping was completed until the reaction was complete. The ultrasonic power of the ultrasonic reaction i...
Embodiment 3
[0035] Weigh 0.02 mol of nickel salt and dissolve it in 50 ml of deionized water to prepare 0.4 mol / L nickel salt solution 3. Weigh 0.003 mol of calcium salt and dissolve it in 50 ml of deionized water to prepare 0.06 mol / L calcium salt solution 3. After mixing the nickel salt solution 3 and the calcium salt solution 3, add 0.1 g of a dispersant and stir to obtain the first product 3.
[0036] Weigh 0.04 mol of strong base and dissolve it in 100 ml of deionized water to prepare 0.4 mol / L strong base solution 3. Add 0.75 g of soluble phosphate and acid-base buffer to the strong base solution 3, adjust the pH of the system to 9, and stir to obtain the second product 3.
[0037] The first product 3 and the second product 3 were respectively dropped into the ultrasonic reactor at a rate of 25 drops per minute, and the ultrasonic reaction was continued for 5 h after the dropping was completed until the reaction was complete. The ultrasonic power of the ultrasonic reaction is 60W,...
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