Method for preparing high specific surface area nano nickel aluminate electrode material
A technology with high specific surface area and electrode material, applied in the fields of nanotechnology, nanotechnology, nanotechnology, etc. for materials and surface science, it can solve the problems of inconvenient control of reaction ratio, large particle size, and expensive template agent. The effect of improved photoelectric conversion efficiency, low cost, and enhanced battery performance
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Embodiment 1
[0016] Example 1: A preparation method of a high specific surface area nano-nickel aluminate electrode material is specifically completed according to the following steps:
[0017] 1. Preparation of complex sugar sol: first dissolve the complex sugar into 30mL double-distilled water, prepare the sugar substance with a concentration of 1.6mol / L, add 11mL of low-concentration ammonia water, stir, and then add C in a molar ratio of 1:2 12 h 22 NiO 14 and AlCl 3 ·6H 2 O, at 65 ° C, continuous gradient stirring at a constant speed for 1.5 hours, that is, a green and uniform complex sugar sol is formed; 2. Aging and drying: age the sugar sol at room temperature for 1.0 hours in vacuum, and then place it in a constant temperature drying box. Gradient heating and drying to form a stable precursor, that is, at 60°C, keep the temperature for 5 hours, then raise the temperature to 180°C, keep the temperature for 3 hours, take out the hot sugar sol system and cool it to room temperat...
Embodiment 2
[0023] Example 2: A preparation method of a high specific surface area nano-nickel aluminate electrode material, which is specifically completed according to the following steps:
[0024] 1. Preparation of complex sugar sol: first dissolve the complex sugar into 30mL double-distilled water, prepare the sugar substance with a concentration of 1.2mol / L, add 7.5mL of low-concentration ammonia water, stir, and then add C in a molar ratio of 1:2 12 h 22 NiO 14 and AlCl 3 ·6H 2 O, at 60 ° C, continuous gradient stirring at a constant speed for 1.0 hours, that is, a green and uniform complex sugar sol is formed; 2. Aging and drying: age the sugar sol at room temperature for 0.5 hours in vacuum, and then place it in a constant temperature drying box. Gradient heating and drying to form a stable precursor, that is, keep the temperature at 40°C for 7 hours, then raise the temperature to 160°C, hold the temperature for 5 hours, take out the hot sugar sol system and cool it to room ...
Embodiment 3
[0030] Example 3: A method for preparing a high specific surface area nano-nickel aluminate electrode material, which is specifically completed according to the following steps:
[0031] 1. Preparation of complex sugar sol: first dissolve the complex sugar into 30mL double-distilled water, prepare the sugar substance with a concentration of 1.4mol / L, add 10mL of low-concentration ammonia water, stir, and then add C in a molar ratio of 1:2 12 h 22 NiO 14 and AlCl 3 ·6H 2O, at 50 ° C, continuous gradient stirring at a constant speed for 0.5 hours, that is, a green and uniform complex sugar sol is formed; 2. Aging and drying: age the sugar sol at room temperature for 1.5 hours in vacuum, and then place it in a constant temperature drying box. Gradient heating and drying to form a stable precursor, that is, keep the temperature at 50°C for 6 hours, then raise the temperature to 180°C, hold the temperature for 4 hours, take out the hot sugar sol system and cool it to room tem...
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