High capacity colloidal storage battery, a collodial electrolyte used in it, and the processes for producing them
OwnerLianxiang Wang, Anchen Zheng +2inventors
InventorsLianxiang Wang, Anchen Zheng, Shuo Zheng, Hang Zheng
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Abstract
The invention provided a new type of high capacity storage battery, wherein the colloidal electrolyte is hard to hydration, and has no cracking, and some improvements on the said high cpacity colloidal storage battery are also disclosed.
Claims17
A high capacity colloidal storage battery which comprises a battery case, anode plates, cathode plates, isolating plates, a buffer device and an electrolyte, wherein the electrolyte comprises:
- a) 3 to 9.9% by weight of silica sol (SiO.sub.2);
- b) 48.1 to 75% by weight of sulfuric acid;
- and
- c) 15.1 to 48.9% of water.
A high capacity colloidal storage battery which comprises a battery case, anode plates, cathode plates, isolating plates and an electrolyte, wherein the electrolyte comprises:
- a) 3 to 9.9% by weight of silica sol (SiO.sub.2);
- b) 48.1 to 75% by weight of sulfuric acid;
- and
- c) 15.1 to 48.9% of water,
- wherein a device for treating acid mist is attached to a filling opening in said storage battery.
A high capacity colloidal storage battery which comprises a battery case, anode plates, cathode plates, isolating plates and an electrolyte, wherein the electrolyte comprises:
- a) 3 to 9.9% by weight of silica sol (SiO.sub.2);
- b) 48.1 to 75% by weight of sulfuric acid;
- c) 15.1 to 48.9% of water;
- and
- d) 0.1 to 0.5% of aluminum hydroxide.
A process for producing a colloidal thixotropic electrolyte, which comprises the steps of:
- a) preparing an aqueous sulfuric acid of suitable concentration from sulfuric acid and water;
- b) adding said aqueous sulfuric acid and silica sol, containing an effective amount of aluminum hydroxide, dropwise to an acid-resisting reactor at a temperature of 20.degree. to 50.degree. C. with continuous stirring to form a reaction mixture;
- and
- c) stirring and cooling said reaction mixture further for 1 to 4 hours until the temperature of said mixture is below 30.degree. C. to form a colloidal electrolyte comprising 3-9.9% of silica sol (SiO.sub.2), 48.1-75% of sulfuric acid, 0.1-0.5% of aluminum hydroxide and 15.1-48.9% of water.
Dependencies are inferred from the claim text.