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Glue electrolyte

A technology of colloidal electrolyte and hydroxylamine sulfate, applied in the direction of lead-acid batteries, etc., can solve the problems of battery initial capacity drop, electrode short circuit, lead sulfate reduction rate not effectively improved, etc., to solve the problem of low initial capacity, improve cycle life, The effect of increasing the recovery rate

Inactive Publication Date: 2008-09-10
周桂生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of a single reducing agent, even if large particles of lead sulfate are formed, does not improve the conductivity between the electrode surface and the electrolyte, so that large particles of lead sulfate cannot be successfully reduced to lead dioxide and lead, which is likely to cause lead sulfate The continuous accumulation on the electrodes short-circuits the electrodes, resulting in a decrease in the initial capacity of the battery
At the same time, the reduction rate of lead sulfate has not been effectively improved, and further, it will affect the cycle life and capacity of the colloidal battery
[0015] Therefore, addressing PbSO alone 4 The structure of the colloidal battery cannot effectively maintain the capacity of the colloidal battery and prolong the cycle life. It is necessary to maintain the high conductivity of the electrode at the same time to achieve the goal.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: A component is dilute sulfuric acid 620ml, and the massfraction of sulfuric acid is 54%, pure water 46%; B component is 380 milliliters of fumed silica solutions, wherein SiO 2 The mass fraction is 3.97%, (NH 2 Oh) 2 h 2 SO 4 The mass fraction is 0.098%, SnO 2 The mass fraction is 0.49%, H 2 The mass fraction of O is 95.44%. Pour component A into B and mix, stir at high speed for 20--30 minutes to prepare colloidal electrolyte. The mass fraction of each component in this colloidal electrolyte: sulfuric acid 37.68%, SiO 2 1.2%, Hydroxylamine Sulfate 0.03%, SnO 2 0.15%, pure water 60.94%. The volume ratio of A and B is 62:38, the mass fraction of the sum of hydroxylamine sulfate and tin dioxide in the electrolyte is 0.18%, and the ratio of hydroxylamine sulfate and tin dioxide is 1:5.

Embodiment 2

[0031] Embodiment 2: A component is dilute sulfuric acid 620ml, wherein the mass fraction of each component is: sulfuric acid 53.62%, phosphoric acid 0.58%, cobalt sulfate 0.0069%, potassium sulfate 0.069%, sodium sulfate 0.034%, pure water 45.69%; B group Divided into silicon dioxide solution, wherein the mass fraction of each component is: silicon dioxide 3.926%, glycerin 1.223%, hydroxylamine sulfate 0.097%, tin dioxide 0.485%, pure water 94.269%. Pour component A into B and mix, stir at high speed for 20--30 minutes to prepare colloidal electrolyte. The mass fraction of each component in this colloidal electrolyte: sulfuric acid 37.41%, silicon dioxide 1.18%, phosphoric acid 0.41%, cobalt sulfate 0.0048%, potassium sulfate 0.048%, sodium sulfate 0.024%, glycerol 0.37%, hydroxylamine sulfate 0.029 %, tin dioxide 0.145% pure water 60.37%. The volume ratio of A and B is 62:38, and the sum of hydroxylamine sulfate and tin dioxide accounts for 0.175% of the mass fraction of th...

Embodiment 3

[0032] Embodiment 3: A component is dilute sulfuric acid 620ml, wherein the mass fraction of each component is: sulfuric acid 59.82%, phosphoric acid 3.14%, cobalt sulfate 0.49%, potassium sulfate 0.93%, sodium sulfate 0.46%, pure water 35.16%; B group Divided into silicon dioxide solution, wherein the mass fraction of each component is: silicon dioxide 15.84%, glycerol 7.02%, hydroxylamine sulfate 0.83%, tin dioxide 4.17%, pure water 72.14%. Pour component A into B and mix, stir at high speed for 20--30 minutes to prepare colloidal electrolyte. The mass fraction of each component in this colloidal electrolyte: sulfuric acid 42.04%, silicon dioxide 4.78%, phosphoric acid 2.21%, cobalt sulfate 0.35%, potassium sulfate 0.66%, sodium sulfate 0.35%, glycerol 1.59%, hydroxylamine sulfate 0.25% %, tin dioxide 1.25%, pure water 46.5%. The volume ratio of A and B is 62:38, and the sum of hydroxylamine sulfate and tin dioxide accounts for 1.50% of the mass fraction of the electrolyte....

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Abstract

The invention discloses a colloidal electrolyte for a lead acid battery, which comprises at least dilute sulfuric acid and silicon dioxide and is characterized in that the colloidal electrolyte also contains hydroxylamine sulfate and tin dioxide by weight proportion of 1: 5; the cycle life of the colloidal batteries can be effectively prolonged through interaction between a reducing agent hydroxylamine sulfate and tin dioxide of high conductive material, which solves the problem that colloidal batteries have low initial capacity.

Description

technical field [0001] The invention relates to a colloidal electrolyte, in particular to a colloidal electrolyte for a lead-acid battery. Background technique [0002] The lead-acid battery was invented by the French scientist Plante in 1859. His invention has made a great contribution to the civilization and progress of society, but it also has some inherent technical defects. The electrolyte of the traditional lead-acid battery exists in the form of liquid in the battery, and the battery is in use. SO emissions 2 The gas has not been solved so far. [0003] It is precisely because there are many inherent defects in lead-acid liquid batteries that experts and scholars from all over the world are trying to find a good way to solve the problem. The first thing people think of is to change the form of the electrolyte in the battery without affecting the movement of ions in the electrolyte. Colloidal electrolyte technology is a new technology that emerged to solve the shor...

Claims

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Application Information

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IPC IPC(8): H01M10/10H01M10/08
CPCY02E60/126Y02E60/10
Inventor 周桂生
Owner 周桂生
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