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Battery electrolyte composed of organic silicon and inorganic silicon

An electrolyte and inorganic silicon technology, applied in the direction of lead-acid batteries, silicon organic compounds, non-metallic conductors, etc., can solve the problems of polluted environment, small battery capacity, poor starting performance at low temperature, etc.

Inactive Publication Date: 2011-12-07
ANSHAN DUOBIAO STOCK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Lead-acid batteries are the most widely used secondary batteries, but there are the following problems: the large concentration of sulfuric acid overflows and corrodes the connecting wires and car body; the battery capacity is small and the service life is short; low temperature starting performance is not good; formation and Sulfuric acid mist escapes during use, polluting the environment
Japan also has a similar patent JP2003142157 applied to lithium batteries, but not applied to maintenance-free lead-acid batteries

Method used

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  • Battery electrolyte composed of organic silicon and inorganic silicon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A storage battery electrolyte composed of organosilicon and inorganic silicon, the composition of which is as follows in parts by weight:

[0018] (1) Silica sol SiO 2 .XH 2 O: 10 copies

[0019] (2) Hydrogen silicone oil (CH 3 ) 3 Si-O-(HSiCH 3 -O-)n-Si(CH 3 ) 3 : 10 servings

[0020] (3) polyethylene glycol HO-(CH 2 CH 2 ) n -OH: 1 part

[0021] (4) Deionized water or distilled water: 15 parts.

[0022] The preparation method of the battery electrolyte composed of organosilicon and inorganic silicon is to mix the weighed components (2) and (3) and 15 parts of deionized water or distilled water together to form a uniform paste, add (1) Components, add water to dilute to the corresponding concentration while stirring. Dilute with sulfuric acid and water before assembling the battery, the diluted concentration is 3 times, and the density of the electrolyte used is 1.26g / cm 3 . Stir evenly and put it into a battery case equipped with polar plates and AGM se...

Embodiment 2

[0024] A storage battery electrolyte composed of organosilicon and inorganic silicon, the composition of which is as follows in parts by weight:

[0025] (1) Silica sol SiO 2 .XH 2 O: 40 copies

[0026] (2) Hydrogen silicone oil (CH 3 ) 3 Si-O-(HSiCH 3 -O-)n-Si(CH 3 ) 3 : 5 servings

[0027] (3) polyethylene glycol HO-(CH 2 CH 2 ) n -OH: 0.5 parts

[0028] (4) Deionized water or distilled water: 15 parts.

[0029] The preparation method of the battery electrolyte composed of organosilicon and inorganic silicon is to mix the weighed components (2) and (3) and 15 parts of deionized water or distilled water together to form a uniform paste, add (1) Components, add water to dilute to the corresponding concentration while stirring. Dilute with sulfuric acid and water before assembling the battery, the diluted concentration is 3 times, and the density of the electrolyte used is 1.26g / cm 3 . Stir evenly and put it into a battery case equipped with polar plates and AGM ...

Embodiment 3

[0031] A storage battery electrolyte composed of organosilicon and inorganic silicon, the composition of which is as follows in parts by weight:

[0032] (1) Silica sol SiO 2 .XH 2 O: 50 copies

[0033] (2) Hydrogen silicone oil (CH 3 ) 3 Si-O-(HSiCH 3 -O-)n-Si(CH 3 ) 3 : 40 servings

[0034] (3) polyethylene glycol HO-(CH 2 CH 2 ) n -OH: 10 parts

[0035] (4) Deionized water or distilled water: 20 parts.

[0036] The preparation method of the battery electrolyte composed of organosilicon and inorganic silicon is to mix the weighed components (2) and (3) and 15 parts of deionized water or distilled water together to form a uniform paste, add (1) Components, add water to dilute to the corresponding concentration while stirring. Dilute with sulfuric acid and water before assembling the battery, the diluted concentration is 3 times, and the density of the electrolyte used is 1.29g / cm 3 . Stir evenly and put it into a battery case equipped with polar plates and AGM ...

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Abstract

The invention relates to a storage battery electrolyte prepared by organic silicon and inorganic silicon, which is mainly prepared by inorganic silicic acid and a macromolecular compound, wherein the inorganic silicic acid has obvious thixotropy and does not flow in the static state or the discharging process to achieve the effects of no-overflow and sealing; and inside semi fluid in the charging process enables the conduction to be more smooth to achieve the high capacity of a battery, and the power is strong. The organic polymer is divided into two kinds, and a hydrophobic organosilicon polymer enables the surface of an inorganic particle to be hydrophobized so as to achieve the purposes of no overflow, no condensation and no deposit by being combined with an AGM diaphragm; and the other kind of carbon-oxygen macromolecule forms a surface film on the outermost layer, so the water of the electrolyte cannot volatilize, the acidic material cannot be escaped out to achieve the purpose of free maintenance for life of the battery. The liquid film model with the three-layer structure enables the battery to become a high-performance storage battery with good low-temperature start, strong power, large energy, long service life and free maintenance.

Description

technical field [0001] The invention relates to a method for preparing and using a novel lead-acid storage battery electrolyte. Background technique [0002] Lead-acid batteries are the most widely used secondary batteries, but there are the following problems: the large concentration of sulfuric acid overflows and corrodes the connecting wires and car body; the battery capacity is small and the service life is short; low temperature starting performance is not good; formation and When in use, sulfuric acid mist escapes and pollutes the environment. On this basis, colloidal maintenance-free batteries have been developed at home and abroad, but the silica gel is easy to dehydrate and crack during use, making it difficult to discharge, and sometimes the battery case can be swollen. A further upgraded product is a maintenance-free lead-acid battery with glass fiber diaphragm, which solves the problem of acid overflow in use, but the service life is low, and it cannot be intern...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/06H01M10/08C08L83/00C07F7/02C08K3/36
CPCY02E60/126Y02E60/10
Inventor 姜效军
Owner ANSHAN DUOBIAO STOCK
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